/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:25:22,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:25:22,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:25:22,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:25:22,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:25:22,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:25:22,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:25:22,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:25:22,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:25:22,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:25:22,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:25:22,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:25:22,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:25:22,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:25:22,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:25:22,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:25:22,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:25:22,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:25:22,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:25:22,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:25:22,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:25:22,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:25:22,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:25:22,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:25:22,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:25:22,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:25:22,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:25:22,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:25:22,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:25:22,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:25:22,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:25:22,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:25:22,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:25:22,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:25:22,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:25:22,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:25:22,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:25:22,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:25:22,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:25:22,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:25:22,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:25:22,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:25:22,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:25:22,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:25:22,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:25:22,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:25:22,866 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:25:22,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:25:22,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:25:22,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:25:22,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:25:22,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:25:22,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:25:22,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:25:22,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:25:22,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:25:22,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:25:22,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:25:22,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:25:22,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:25:22,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:25:22,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:25:22,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:25:22,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:25:22,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:25:22,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:25:22,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:25:22,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:25:22,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:25:22,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:25:22,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:25:22,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:25:23,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:25:23,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:25:23,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:25:23,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:25:23,352 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:25:23,353 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 14:25:23,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/456f56788/cc82acd56810496193397b8b1d85f55e/FLAG69f36608c [2020-09-25 14:25:24,054 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:25:24,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 14:25:24,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/456f56788/cc82acd56810496193397b8b1d85f55e/FLAG69f36608c [2020-09-25 14:25:24,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/456f56788/cc82acd56810496193397b8b1d85f55e [2020-09-25 14:25:24,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:25:24,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:25:24,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:25:24,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:25:24,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:25:24,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:25:24" (1/1) ... [2020-09-25 14:25:24,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8aa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:24, skipping insertion in model container [2020-09-25 14:25:24,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:25:24" (1/1) ... [2020-09-25 14:25:24,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:25:24,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:25:24,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:25:24,804 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:25:25,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:25:25,106 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:25:25,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25 WrapperNode [2020-09-25 14:25:25,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:25:25,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:25:25,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:25:25,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:25:25,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... [2020-09-25 14:25:25,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:25:25,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:25:25,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:25:25,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:25:25,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:25:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:25:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:25:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:25:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:25:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:25:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:25:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:25:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:25:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:25:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:25:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:25:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:25:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:25:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:25:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:25:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:25:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:25:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:25:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:25:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:25:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:25:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:25:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:25:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:25:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:25:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:25:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:25:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:25:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:25:26,487 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:25:26,487 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:25:26,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:25:26 BoogieIcfgContainer [2020-09-25 14:25:26,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:25:26,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:25:26,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:25:26,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:25:26,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:25:24" (1/3) ... [2020-09-25 14:25:26,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba1e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:25:26, skipping insertion in model container [2020-09-25 14:25:26,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:25" (2/3) ... [2020-09-25 14:25:26,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba1e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:25:26, skipping insertion in model container [2020-09-25 14:25:26,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:25:26" (3/3) ... [2020-09-25 14:25:26,506 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-25 14:25:26,517 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:25:26,526 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:25:26,546 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:25:26,578 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:25:26,578 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:25:26,579 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:25:26,579 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:25:26,579 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:25:26,579 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:25:26,579 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:25:26,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:25:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 14:25:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:25:26,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:26,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:25:26,627 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:26,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:26,634 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-25 14:25:26,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:26,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941815777] [2020-09-25 14:25:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:27,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:28,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:31,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:25:32,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:25:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 14:25:32,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:25:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 14:25:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 14:25:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:25:32,483 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:25:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:25:32,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-25 14:25:32,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 14:25:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:25:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:32,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:25:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:32,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:25:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:25:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:25:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:32,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:32,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:25:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:32,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:32,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:25:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:25:32,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:25:32,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:25:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:25:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:32,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:32,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:32,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:32,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:32,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:32,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:25:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:32,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:33,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:33,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:33,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:33,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:33,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:25:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:33,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:33,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:33,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:33,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:33,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:33,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:25:33,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941815777] [2020-09-25 14:25:33,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:25:33,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:25:33,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220974829] [2020-09-25 14:25:33,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:25:33,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:25:33,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:25:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:25:33,081 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 6 states. [2020-09-25 14:25:33,749 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:25:34,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:25:34,919 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-09-25 14:25:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:25:34,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 14:25:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:25:34,954 INFO L225 Difference]: With dead ends: 505 [2020-09-25 14:25:34,954 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 14:25:34,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:25:34,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 14:25:35,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-09-25 14:25:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-25 14:25:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 294 transitions. [2020-09-25 14:25:35,156 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 294 transitions. Word has length 160 [2020-09-25 14:25:35,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:25:35,159 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 294 transitions. [2020-09-25 14:25:35,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:25:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 294 transitions. [2020-09-25 14:25:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 14:25:35,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:35,170 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] [2020-09-25 14:25:35,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:25:35,171 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash 723153057, now seen corresponding path program 1 times [2020-09-25 14:25:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:35,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514867464] [2020-09-25 14:25:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:35,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:35,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:36,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 14:25:40,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:25:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5094 [2020-09-25 14:25:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:40,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:25:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:25:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 14:25:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:40,651 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:25:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:40,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:40,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:25:40,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-25 14:25:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:40,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:25:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:25:40,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:25:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:40,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:40,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:25:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:40,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:40,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:40,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:40,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:25:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:40,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:25:40,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:40,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:25:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:41,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:41,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:25:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:41,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:41,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:41,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:25:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:25:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:25:41,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:25:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:41,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:25:41,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:41,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:25:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:25:41,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:25:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:25:41,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:25:41,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:25:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:25:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:25:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:25:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:25:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:25:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:25:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:25:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:25:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:41,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:41,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 14:25:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:41,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:41,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 14:25:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:41,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:41,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:41,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:41,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:25:41,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514867464] [2020-09-25 14:25:41,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:25:41,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:25:41,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523697159] [2020-09-25 14:25:41,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:25:41,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:25:41,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:25:41,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:25:41,269 INFO L87 Difference]: Start difference. First operand 272 states and 294 transitions. Second operand 8 states. [2020-09-25 14:25:41,809 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:25:43,467 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:25:44,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:25:44,780 INFO L93 Difference]: Finished difference Result 661 states and 789 transitions. [2020-09-25 14:25:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 14:25:44,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2020-09-25 14:25:44,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:25:44,790 INFO L225 Difference]: With dead ends: 661 [2020-09-25 14:25:44,791 INFO L226 Difference]: Without dead ends: 504 [2020-09-25 14:25:44,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:25:44,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-09-25 14:25:44,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 415. [2020-09-25 14:25:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-09-25 14:25:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 463 transitions. [2020-09-25 14:25:44,906 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 463 transitions. Word has length 174 [2020-09-25 14:25:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:25:44,907 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 463 transitions. [2020-09-25 14:25:44,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:25:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 463 transitions. [2020-09-25 14:25:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 14:25:44,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:44,911 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] [2020-09-25 14:25:44,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:25:44,912 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:44,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:44,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-09-25 14:25:44,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:44,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876108909] [2020-09-25 14:25:44,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:46,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:49,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:49,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 14:25:49,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:25:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 14:25:49,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:49,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 14:25:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:25:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-25 14:25:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,284 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:25:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:25:50,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:25:50,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:25:50,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:25:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:50,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:50,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:50,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:25:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:25:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:25:50,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:25:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:50,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:50,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:25:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:50,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:50,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:25:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:25:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:25:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:25:50,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:25:50,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:25:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:25:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:25:50,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:25:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 14:25:50,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:25:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:25:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:25:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:25:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:25:50,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 14:25:50,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:25:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:25:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 14:25:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:25:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:25:50,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 14:25:50,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:25:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:25:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:25:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:50,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:25:50,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:50,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:50,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:50,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:50,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:25:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:51,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:51,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:51,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:51,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:51,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:51,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 14:25:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:51,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:51,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:51,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:51,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:51,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:51,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:51,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 14:25:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:51,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:51,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:51,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:51,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:51,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:25:51,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:51,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:51,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:25:51,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:51,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:51,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:25:51,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876108909] [2020-09-25 14:25:51,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:25:51,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:25:51,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699293231] [2020-09-25 14:25:51,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:25:51,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:25:51,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:25:51,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:25:51,179 INFO L87 Difference]: Start difference. First operand 415 states and 463 transitions. Second operand 11 states. [2020-09-25 14:25:51,748 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:25:52,896 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 14:25:53,557 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-25 14:25:54,911 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:25:55,279 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-25 14:25:55,714 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:25:56,146 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:25:56,471 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:25:56,785 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:25:57,321 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:25:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:25:58,391 INFO L93 Difference]: Finished difference Result 863 states and 1048 transitions. [2020-09-25 14:25:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 14:25:58,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-25 14:25:58,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:25:58,398 INFO L225 Difference]: With dead ends: 863 [2020-09-25 14:25:58,398 INFO L226 Difference]: Without dead ends: 563 [2020-09-25 14:25:58,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=279, Invalid=777, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 14:25:58,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-09-25 14:25:58,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 414. [2020-09-25 14:25:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-25 14:25:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 460 transitions. [2020-09-25 14:25:58,474 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 460 transitions. Word has length 211 [2020-09-25 14:25:58,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:25:58,476 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 460 transitions. [2020-09-25 14:25:58,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:25:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 460 transitions. [2020-09-25 14:25:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 14:25:58,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:58,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:25:58,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:25:58,480 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:58,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:58,480 INFO L82 PathProgramCache]: Analyzing trace with hash -170414863, now seen corresponding path program 1 times [2020-09-25 14:25:58,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:58,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191400220] [2020-09-25 14:25:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:58,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:00,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:00,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 14:26:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1938 [2020-09-25 14:26:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:00,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 14:26:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:00,842 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:00,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:00,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 14:26:00,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:00,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:01,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:01,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:01,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:01,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:01,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:26:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:01,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:26:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:26:01,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 14:26:01,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:26:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:26:01,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 14:26:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:26:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:01,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 14:26:01,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:26:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:01,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:01,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:01,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:01,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:26:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 14:26:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:01,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:26:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:01,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:01,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:01,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:01,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:01,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191400220] [2020-09-25 14:26:01,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:01,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:26:01,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361699340] [2020-09-25 14:26:01,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:26:01,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:01,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:26:01,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:01,507 INFO L87 Difference]: Start difference. First operand 414 states and 460 transitions. Second operand 10 states. [2020-09-25 14:26:02,894 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:03,196 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:03,505 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:26:03,807 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:04,153 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:04,458 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:05,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:05,561 INFO L93 Difference]: Finished difference Result 794 states and 930 transitions. [2020-09-25 14:26:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:26:05,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-25 14:26:05,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:05,568 INFO L225 Difference]: With dead ends: 794 [2020-09-25 14:26:05,568 INFO L226 Difference]: Without dead ends: 495 [2020-09-25 14:26:05,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:26:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-25 14:26:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 422. [2020-09-25 14:26:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-25 14:26:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 468 transitions. [2020-09-25 14:26:05,625 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 468 transitions. Word has length 199 [2020-09-25 14:26:05,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:05,626 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 468 transitions. [2020-09-25 14:26:05,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:26:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 468 transitions. [2020-09-25 14:26:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 14:26:05,629 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:05,629 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] [2020-09-25 14:26:05,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:26:05,630 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:05,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:05,630 INFO L82 PathProgramCache]: Analyzing trace with hash -967194783, now seen corresponding path program 1 times [2020-09-25 14:26:05,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:05,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978843035] [2020-09-25 14:26:05,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 14:26:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-09-25 14:26:06,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 14:26:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:06,714 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:06,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 14:26:06,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:06,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:06,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:06,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:06,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:06,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:06,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:06,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:06,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:26:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:06,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:26:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:06,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:06,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:06,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:07,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:07,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:26:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:26:07,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 14:26:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:26:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:26:07,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 14:26:07,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:26:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 14:26:07,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:26:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:07,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:26:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 14:26:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:07,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:07,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 14:26:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:07,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:07,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978843035] [2020-09-25 14:26:07,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:07,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:26:07,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992620639] [2020-09-25 14:26:07,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:26:07,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:26:07,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:07,449 INFO L87 Difference]: Start difference. First operand 422 states and 468 transitions. Second operand 10 states. [2020-09-25 14:26:08,917 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:09,222 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:09,562 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:09,884 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:10,194 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:11,544 INFO L93 Difference]: Finished difference Result 883 states and 1077 transitions. [2020-09-25 14:26:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:26:11,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-25 14:26:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:11,552 INFO L225 Difference]: With dead ends: 883 [2020-09-25 14:26:11,552 INFO L226 Difference]: Without dead ends: 576 [2020-09-25 14:26:11,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:26:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-09-25 14:26:11,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 428. [2020-09-25 14:26:11,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-09-25 14:26:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 474 transitions. [2020-09-25 14:26:11,617 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 474 transitions. Word has length 212 [2020-09-25 14:26:11,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:11,617 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 474 transitions. [2020-09-25 14:26:11,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:26:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 474 transitions. [2020-09-25 14:26:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 14:26:11,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:11,621 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] [2020-09-25 14:26:11,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:26:11,621 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:11,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:11,622 INFO L82 PathProgramCache]: Analyzing trace with hash -276700642, now seen corresponding path program 1 times [2020-09-25 14:26:11,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:11,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773745342] [2020-09-25 14:26:11,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:13,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:13,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 14:26:13,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1398 [2020-09-25 14:26:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:13,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:26:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:26:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-25 14:26:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0