/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:15:03,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:15:03,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:15:03,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:15:03,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:15:03,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:15:03,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:15:03,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:15:03,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:15:03,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:15:03,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:15:03,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:15:03,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:15:03,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:15:03,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:15:03,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:15:03,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:15:03,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:15:03,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:15:03,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:15:03,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:15:03,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:15:03,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:15:03,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:15:03,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:15:03,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:15:03,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:15:03,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:15:03,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:15:03,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:15:03,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:15:03,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:15:03,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:15:03,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:15:03,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:15:03,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:15:03,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:15:03,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:15:03,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:15:03,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:15:03,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:15:03,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:15:03,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:15:03,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:15:03,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:15:03,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:15:03,838 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:15:03,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:15:03,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:15:03,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:15:03,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:15:03,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:15:03,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:15:03,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:15:03,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:15:03,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:15:03,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:15:03,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:15:03,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:15:03,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:15:03,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:15:03,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:15:03,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:15:03,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:15:03,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:15:03,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:15:03,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:15:03,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:15:03,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:15:03,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:15:03,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:15:03,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:15:04,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:15:04,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:15:04,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:15:04,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:15:04,166 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:15:04,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-10-14 07:15:04,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f175dc92/566267be656b41b7959b7abeb4f98d59/FLAG38f6546a1 [2020-10-14 07:15:04,675 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:15:04,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-10-14 07:15:04,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f175dc92/566267be656b41b7959b7abeb4f98d59/FLAG38f6546a1 [2020-10-14 07:15:05,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f175dc92/566267be656b41b7959b7abeb4f98d59 [2020-10-14 07:15:05,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:15:05,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:15:05,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:15:05,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:15:05,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:15:05,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417ba1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05, skipping insertion in model container [2020-10-14 07:15:05,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:15:05,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:15:05,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:15:05,426 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:15:05,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:15:05,714 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:15:05,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05 WrapperNode [2020-10-14 07:15:05,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:15:05,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:15:05,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:15:05,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:15:05,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... [2020-10-14 07:15:05,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:15:05,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:15:05,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:15:05,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:15:05,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:15:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:15:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:15:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:15:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:15:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:15:05,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:15:05,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:15:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:15:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:15:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:15:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:15:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:15:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:15:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:15:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:15:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:15:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:15:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:15:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:15:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:15:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:15:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:15:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:15:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:15:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:15:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:15:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:15:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:15:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:15:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:15:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:15:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:15:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:15:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:15:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:15:06,849 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:15:06,849 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:15:06,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:15:06 BoogieIcfgContainer [2020-10-14 07:15:06,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:15:06,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:15:06,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:15:06,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:15:06,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:15:05" (1/3) ... [2020-10-14 07:15:06,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3d52c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:15:06, skipping insertion in model container [2020-10-14 07:15:06,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:15:05" (2/3) ... [2020-10-14 07:15:06,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3d52c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:15:06, skipping insertion in model container [2020-10-14 07:15:06,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:15:06" (3/3) ... [2020-10-14 07:15:06,862 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2020-10-14 07:15:06,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:15:06,880 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:15:06,893 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:15:06,913 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:15:06,914 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:15:06,914 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:15:06,914 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:15:06,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:15:06,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:15:06,915 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:15:06,915 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:15:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-14 07:15:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 07:15:06,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:06,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:06,951 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:06,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:06,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1144967718, now seen corresponding path program 1 times [2020-10-14 07:15:06,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:06,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910599515] [2020-10-14 07:15:06,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:10,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 07:15:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:15:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4120 [2020-10-14 07:15:11,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:15:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:15:11,741 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:11,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:15:11,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:11,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:11,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:11,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:11,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:11,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:11,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:11,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:15:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:11,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:11,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:15:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:11,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:11,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910599515] [2020-10-14 07:15:11,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:11,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 07:15:11,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266843965] [2020-10-14 07:15:11,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 07:15:11,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 07:15:11,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:15:11,918 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-10-14 07:15:13,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:13,527 INFO L93 Difference]: Finished difference Result 293 states and 382 transitions. [2020-10-14 07:15:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 07:15:13,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 07:15:13,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:13,545 INFO L225 Difference]: With dead ends: 293 [2020-10-14 07:15:13,546 INFO L226 Difference]: Without dead ends: 158 [2020-10-14 07:15:13,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:15:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-14 07:15:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2020-10-14 07:15:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-14 07:15:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-10-14 07:15:13,638 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-10-14 07:15:13,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:13,639 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-10-14 07:15:13,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 07:15:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-10-14 07:15:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 07:15:13,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:13,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:13,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:15:13,643 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:13,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:13,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1860542733, now seen corresponding path program 1 times [2020-10-14 07:15:13,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:13,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759869721] [2020-10-14 07:15:13,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:14,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:15:18,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:15:18,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4335 [2020-10-14 07:15:18,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:15:18,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,375 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:18,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 07:15:18,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:15:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:15:18,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:15:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:18,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:18,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:15:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:18,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:18,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:18,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:18,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:18,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:18,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:18,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:15:18,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:15:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:18,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:18,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:15:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:18,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:18,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:18,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:18,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:18,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759869721] [2020-10-14 07:15:18,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:18,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:15:18,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053481929] [2020-10-14 07:15:18,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:15:18,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:18,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:15:18,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:15:18,555 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2020-10-14 07:15:18,891 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:15:19,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:19,873 INFO L93 Difference]: Finished difference Result 260 states and 326 transitions. [2020-10-14 07:15:19,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:15:19,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-10-14 07:15:19,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:19,878 INFO L225 Difference]: With dead ends: 260 [2020-10-14 07:15:19,878 INFO L226 Difference]: Without dead ends: 158 [2020-10-14 07:15:19,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:15:19,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-14 07:15:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2020-10-14 07:15:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-14 07:15:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2020-10-14 07:15:19,945 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 47 [2020-10-14 07:15:19,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:19,945 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2020-10-14 07:15:19,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:15:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2020-10-14 07:15:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 07:15:19,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:19,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:19,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:15:19,957 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:19,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1699182139, now seen corresponding path program 1 times [2020-10-14 07:15:19,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:19,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671748342] [2020-10-14 07:15:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:20,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:20,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:20,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:23,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:24,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 07:15:25,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 07:15:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:15:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:15:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:15:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,319 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:15:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:25,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:15:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:25,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:25,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:25,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:25,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:25,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:25,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:15:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:15:25,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:15:25,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:15:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:15:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:15:25,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:15:25,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:15:25,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:15:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:15:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:25,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:25,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:15:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:15:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:25,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 07:15:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:25,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:25,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:25,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:25,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:25,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:25,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:25,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:25,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:25,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671748342] [2020-10-14 07:15:25,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:25,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:15:25,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200625351] [2020-10-14 07:15:25,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:15:25,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:25,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:15:25,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:15:25,491 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 6 states. [2020-10-14 07:15:25,894 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:26,950 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:15:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:28,102 INFO L93 Difference]: Finished difference Result 385 states and 507 transitions. [2020-10-14 07:15:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:15:28,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-10-14 07:15:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:28,108 INFO L225 Difference]: With dead ends: 385 [2020-10-14 07:15:28,108 INFO L226 Difference]: Without dead ends: 283 [2020-10-14 07:15:28,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:15:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-14 07:15:28,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-10-14 07:15:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-14 07:15:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 260 transitions. [2020-10-14 07:15:28,206 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 260 transitions. Word has length 64 [2020-10-14 07:15:28,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:28,206 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 260 transitions. [2020-10-14 07:15:28,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:15:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 260 transitions. [2020-10-14 07:15:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-14 07:15:28,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:28,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:28,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:15:28,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:28,209 INFO L82 PathProgramCache]: Analyzing trace with hash -764705078, now seen corresponding path program 1 times [2020-10-14 07:15:28,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:28,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453205658] [2020-10-14 07:15:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:29,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 07:15:33,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:15:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 07:15:33,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:15:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:15:33,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,503 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:33,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:15:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:33,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:33,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:33,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 07:15:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:15:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:15:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 07:15:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:33,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:15:33,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:33,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:15:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:15:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:15:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:33,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:15:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:33,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 07:15:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:33,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:33,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 07:15:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:33,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:33,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:33,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:33,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:33,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:33,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453205658] [2020-10-14 07:15:33,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:33,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:15:33,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566514793] [2020-10-14 07:15:33,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:15:33,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:33,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:15:33,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:15:33,627 INFO L87 Difference]: Start difference. First operand 218 states and 260 transitions. Second operand 5 states. [2020-10-14 07:15:34,115 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:34,917 INFO L93 Difference]: Finished difference Result 386 states and 459 transitions. [2020-10-14 07:15:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:15:34,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-10-14 07:15:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:34,921 INFO L225 Difference]: With dead ends: 386 [2020-10-14 07:15:34,921 INFO L226 Difference]: Without dead ends: 228 [2020-10-14 07:15:34,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:15:34,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-14 07:15:34,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 193. [2020-10-14 07:15:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-14 07:15:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2020-10-14 07:15:34,968 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 74 [2020-10-14 07:15:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:34,968 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2020-10-14 07:15:34,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:15:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2020-10-14 07:15:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 07:15:34,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:34,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:34,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:15:34,970 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:34,970 INFO L82 PathProgramCache]: Analyzing trace with hash 906371281, now seen corresponding path program 1 times [2020-10-14 07:15:34,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:34,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994125649] [2020-10-14 07:15:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:35,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:35,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:35,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 07:15:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:15:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4561 [2020-10-14 07:15:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:15:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:15:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:15:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:39,804 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:15:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:39,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:39,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:39,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:39,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:39,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:15:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:15:39,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:15:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:15:39,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:15:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:15:39,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:15:39,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:15:39,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:15:39,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:15:39,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:15:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:15:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:15:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:15:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:39,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:39,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:15:39,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:15:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:39,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:39,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:15:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:39,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:39,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:39,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:39,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:15:39,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:39,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:39,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:39,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:40,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994125649] [2020-10-14 07:15:40,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:40,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:15:40,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733924173] [2020-10-14 07:15:40,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:15:40,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:40,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:15:40,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:15:40,010 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 8 states. [2020-10-14 07:15:40,365 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:41,336 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:15:41,568 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:41,836 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:15:42,090 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:15:42,324 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:43,021 INFO L93 Difference]: Finished difference Result 237 states and 285 transitions. [2020-10-14 07:15:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:15:43,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-14 07:15:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:43,026 INFO L225 Difference]: With dead ends: 237 [2020-10-14 07:15:43,026 INFO L226 Difference]: Without dead ends: 234 [2020-10-14 07:15:43,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:15:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-14 07:15:43,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 193. [2020-10-14 07:15:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-14 07:15:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 218 transitions. [2020-10-14 07:15:43,065 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 218 transitions. Word has length 78 [2020-10-14 07:15:43,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:43,066 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 218 transitions. [2020-10-14 07:15:43,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:15:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 218 transitions. [2020-10-14 07:15:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:15:43,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:43,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:43,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:15:43,068 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:43,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1869111684, now seen corresponding path program 1 times [2020-10-14 07:15:43,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:43,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790629426] [2020-10-14 07:15:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:43,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:43,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:15:45,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2425 [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:15:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:15:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:45,813 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:45,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:45,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:15:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:45,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:45,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:45,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:15:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:15:45,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:15:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:15:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:15:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:15:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:15:45,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:15:45,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:15:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:15:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:15:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:15:45,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:15:45,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:15:45,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:15:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:45,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:15:45,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:45,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:45,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:15:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:46,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:46,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:46,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:46,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:46,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:15:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:46,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:46,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:46,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:15:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:46,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:46,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:46,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:46,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:46,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:46,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:46,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:46,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790629426] [2020-10-14 07:15:46,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:46,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:15:46,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071526440] [2020-10-14 07:15:46,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:15:46,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:46,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:15:46,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:15:46,027 INFO L87 Difference]: Start difference. First operand 193 states and 218 transitions. Second operand 8 states. [2020-10-14 07:15:46,840 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:47,060 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:15:47,285 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:47,503 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:15:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:48,226 INFO L93 Difference]: Finished difference Result 402 states and 480 transitions. [2020-10-14 07:15:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:15:48,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-14 07:15:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:48,230 INFO L225 Difference]: With dead ends: 402 [2020-10-14 07:15:48,230 INFO L226 Difference]: Without dead ends: 233 [2020-10-14 07:15:48,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:15:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-14 07:15:48,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 198. [2020-10-14 07:15:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-14 07:15:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 223 transitions. [2020-10-14 07:15:48,273 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 223 transitions. Word has length 79 [2020-10-14 07:15:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:48,274 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 223 transitions. [2020-10-14 07:15:48,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:15:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 223 transitions. [2020-10-14 07:15:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:15:48,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:48,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:48,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:15:48,276 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1846479430, now seen corresponding path program 1 times [2020-10-14 07:15:48,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:48,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373806755] [2020-10-14 07:15:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:48,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:49,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1671 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:15:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:50,224 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:50,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:50,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:15:50,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:50,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:50,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:50,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:50,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:15:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:15:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:15:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:15:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:15:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:15:50,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:15:50,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:15:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:15:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:15:50,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:15:50,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:15:50,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:50,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:15:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:50,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:15:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:50,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:50,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:15:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:50,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:50,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:50,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:50,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373806755] [2020-10-14 07:15:50,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:50,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:15:50,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985402783] [2020-10-14 07:15:50,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:15:50,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:50,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:15:50,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:15:50,447 INFO L87 Difference]: Start difference. First operand 198 states and 223 transitions. Second operand 7 states. [2020-10-14 07:15:51,373 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:51,607 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:51,829 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:52,572 INFO L93 Difference]: Finished difference Result 411 states and 496 transitions. [2020-10-14 07:15:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:15:52,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-14 07:15:52,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:52,575 INFO L225 Difference]: With dead ends: 411 [2020-10-14 07:15:52,575 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 07:15:52,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:15:52,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 07:15:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 202. [2020-10-14 07:15:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-14 07:15:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 227 transitions. [2020-10-14 07:15:52,626 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 227 transitions. Word has length 79 [2020-10-14 07:15:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:52,627 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 227 transitions. [2020-10-14 07:15:52,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:15:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 227 transitions. [2020-10-14 07:15:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:15:52,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:52,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:15:52,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:15:52,633 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:52,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:52,634 INFO L82 PathProgramCache]: Analyzing trace with hash -820987431, now seen corresponding path program 1 times [2020-10-14 07:15:52,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:52,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286927605] [2020-10-14 07:15:52,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:52,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:52,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:15:54,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:15:54,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1786 [2020-10-14 07:15:54,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 07:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:15:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:15:54,760 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:15:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:15:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:54,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:15:54,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:15:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:54,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:54,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:15:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:54,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:15:54,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:15:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:54,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:54,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:15:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:15:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:15:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:15:54,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:15:54,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:15:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:15:54,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:15:54,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:15:54,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:15:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:15:54,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:15:54,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:15:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:15:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:15:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:15:54,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:15:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:15:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:15:54,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:15:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 07:15:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:54,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:15:54,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:15:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:15:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:15:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 07:15:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:54,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:54,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:15:54,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:15:54,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:15:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:15:54,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:15:54,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:15:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:15:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:15:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:15:54,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:15:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:15:54,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286927605] [2020-10-14 07:15:54,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:15:54,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:15:54,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724881030] [2020-10-14 07:15:54,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:15:54,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:15:54,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:15:54,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:15:54,976 INFO L87 Difference]: Start difference. First operand 202 states and 227 transitions. Second operand 8 states. [2020-10-14 07:15:55,756 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:15:56,680 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:15:56,899 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:57,166 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:57,388 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:15:58,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:15:58,299 INFO L93 Difference]: Finished difference Result 505 states and 655 transitions. [2020-10-14 07:15:58,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:15:58,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-14 07:15:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:15:58,302 INFO L225 Difference]: With dead ends: 505 [2020-10-14 07:15:58,303 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 07:15:58,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:15:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 07:15:58,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 279. [2020-10-14 07:15:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-14 07:15:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 333 transitions. [2020-10-14 07:15:58,382 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 333 transitions. Word has length 79 [2020-10-14 07:15:58,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:15:58,383 INFO L479 AbstractCegarLoop]: Abstraction has 279 states and 333 transitions. [2020-10-14 07:15:58,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:15:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 333 transitions. [2020-10-14 07:15:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 07:15:58,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:15:58,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 07:15:58,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:15:58,390 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:15:58,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:15:58,391 INFO L82 PathProgramCache]: Analyzing trace with hash -237265332, now seen corresponding path program 1 times [2020-10-14 07:15:58,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:15:58,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829984495] [2020-10-14 07:15:58,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:15:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:15:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:58,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:15:59,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 07:16:03,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:16:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 07:16:03,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,726 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:03,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:03,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:03,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:03,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:03,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:03,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:16:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:03,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:16:03,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:16:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:16:03,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:16:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:16:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:16:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:16:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:16:03,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:16:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:16:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:16:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:03,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:16:03,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:16:03,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:03,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:03,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:03,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:03,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:16:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:16:03,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:03,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:16:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:03,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:03,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 07:16:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:03,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:03,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:16:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:16:03,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:16:03,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:03,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 07:16:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:03,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 07:16:04,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:16:04,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 07:16:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:04,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:04,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:04,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:04,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:16:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:04,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:04,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 07:16:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:04,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 07:16:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:04,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:04,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:04,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:04,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:04,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:04,054 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 07:16:04,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829984495] [2020-10-14 07:16:04,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:16:04,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 07:16:04,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314917924] [2020-10-14 07:16:04,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:16:04,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:04,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:16:04,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:16:04,056 INFO L87 Difference]: Start difference. First operand 279 states and 333 transitions. Second operand 12 states. [2020-10-14 07:16:04,427 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:04,852 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:05,870 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:06,091 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:06,333 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:06,564 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:16:06,781 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:16:07,006 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:16:07,927 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:08,906 INFO L93 Difference]: Finished difference Result 840 states and 1146 transitions. [2020-10-14 07:16:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 07:16:08,906 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-10-14 07:16:08,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:08,911 INFO L225 Difference]: With dead ends: 840 [2020-10-14 07:16:08,912 INFO L226 Difference]: Without dead ends: 585 [2020-10-14 07:16:08,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2020-10-14 07:16:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-10-14 07:16:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 410. [2020-10-14 07:16:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-10-14 07:16:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 495 transitions. [2020-10-14 07:16:09,000 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 495 transitions. Word has length 134 [2020-10-14 07:16:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:09,001 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 495 transitions. [2020-10-14 07:16:09,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:16:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 495 transitions. [2020-10-14 07:16:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-14 07:16:09,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:09,004 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:09,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:16:09,005 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:09,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:09,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1656384391, now seen corresponding path program 1 times [2020-10-14 07:16:09,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:09,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710244386] [2020-10-14 07:16:09,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:09,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:09,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:16:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:16:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,261 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:16:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:16:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:16:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:14,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:16:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:14,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:14,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:16:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:14,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:16:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:14,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:16:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:14,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:16:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:16:14,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:16:14,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:16:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:16:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:16:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:16:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:16:14,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:16:14,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:16:14,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:16:14,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:14,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:16:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:16:14,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:16:14,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:16:14,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:16:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:16:14,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:16:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:16:14,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:14,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:16:14,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:16:14,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 07:16:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:16:14,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:16:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:16:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:16:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:16:14,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 07:16:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:16:14,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 07:16:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 07:16:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 07:16:14,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 07:16:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 07:16:14,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:16:14,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:16:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 07:16:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:16:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:16:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:16:14,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:16:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 07:16:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 07:16:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:16:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:16:14,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:16:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:16:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:16:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:16:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:16:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 35 proven. 13 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-14 07:16:14,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710244386] [2020-10-14 07:16:14,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:16:14,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 07:16:14,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445626438] [2020-10-14 07:16:14,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 07:16:14,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:16:14,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 07:16:14,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:16:14,663 INFO L87 Difference]: Start difference. First operand 410 states and 495 transitions. Second operand 10 states. [2020-10-14 07:16:14,995 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:16:15,679 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-14 07:16:17,129 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:16:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:16:17,669 INFO L93 Difference]: Finished difference Result 987 states and 1215 transitions. [2020-10-14 07:16:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 07:16:17,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-10-14 07:16:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:16:17,675 INFO L225 Difference]: With dead ends: 987 [2020-10-14 07:16:17,675 INFO L226 Difference]: Without dead ends: 601 [2020-10-14 07:16:17,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:16:17,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-10-14 07:16:17,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 528. [2020-10-14 07:16:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-14 07:16:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 618 transitions. [2020-10-14 07:16:17,829 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 618 transitions. Word has length 181 [2020-10-14 07:16:17,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:16:17,831 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 618 transitions. [2020-10-14 07:16:17,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 07:16:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 618 transitions. [2020-10-14 07:16:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 07:16:17,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:16:17,837 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:16:17,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:16:17,837 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:16:17,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:16:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash -775865217, now seen corresponding path program 1 times [2020-10-14 07:16:17,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:16:17,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302136178] [2020-10-14 07:16:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:16:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 07:16:17,920 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 07:16:17,920 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 07:16:17,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:16:17,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:16:17 BoogieIcfgContainer [2020-10-14 07:16:17,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:16:17,993 INFO L168 Benchmark]: Toolchain (without parser) took 72963.31 ms. Allocated memory was 148.4 MB in the beginning and 858.3 MB in the end (delta: 709.9 MB). Free memory was 104.0 MB in the beginning and 240.0 MB in the end (delta: -136.0 MB). Peak memory consumption was 573.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:16:17,996 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:16:18,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.10 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 103.6 MB in the beginning and 176.6 MB in the end (delta: -73.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-14 07:16:18,002 INFO L168 Benchmark]: Boogie Preprocessor took 88.57 ms. Allocated memory is still 207.1 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:16:18,009 INFO L168 Benchmark]: RCFGBuilder took 1049.90 ms. Allocated memory was 207.1 MB in the beginning and 231.7 MB in the end (delta: 24.6 MB). Free memory was 172.7 MB in the beginning and 191.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-10-14 07:16:18,010 INFO L168 Benchmark]: TraceAbstraction took 71134.43 ms. Allocated memory was 231.7 MB in the beginning and 858.3 MB in the end (delta: 626.5 MB). Free memory was 191.4 MB in the beginning and 240.0 MB in the end (delta: -48.6 MB). Peak memory consumption was 577.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:16:18,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.10 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 103.6 MB in the beginning and 176.6 MB in the end (delta: -73.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.57 ms. Allocated memory is still 207.1 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1049.90 ms. Allocated memory was 207.1 MB in the beginning and 231.7 MB in the end (delta: 24.6 MB). Free memory was 172.7 MB in the beginning and 191.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71134.43 ms. Allocated memory was 231.7 MB in the beginning and 858.3 MB in the end (delta: 626.5 MB). Free memory was 191.4 MB in the beginning and 240.0 MB in the end (delta: -48.6 MB). Peak memory consumption was 577.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 434]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; [L412] FCALL select_helpers() [L413] FCALL select_features() [L414] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L414] RET, EXPR valid_product() [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) [L418] FCALL setup() [L419] CALL runTest() [L401] CALL test() [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND TRUE \read(tmp) [L104] CALL waterRise() [L458] COND TRUE waterLevel < 2 [L459] waterLevel = waterLevel + 1 [L104] RET waterRise() [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND FALSE !(\read(pumpRunning)) [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND FALSE !(\read(pumpRunning)) [L236] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND TRUE ! pumpRunning [L197] CALL, EXPR isHighWaterLevel() [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR isHighWaterSensorDry() [L520] int retValue_acc ; [L523] COND FALSE !(waterLevel < 2) [L527] retValue_acc = 0 [L528] return (retValue_acc); [L321] RET, EXPR isHighWaterSensorDry() [L321] tmp = isHighWaterSensorDry() [L323] COND FALSE !(\read(tmp)) [L326] tmp___0 = 1 [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); [L197] RET, EXPR isHighWaterLevel() [L197] tmp = isHighWaterLevel() [L199] COND TRUE \read(tmp) [L201] CALL activatePump() [L246] pumpRunning = 1 [L201] RET activatePump() [L236] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) [L178] RET __utac_acc__Specification4_spec__1() [L135] RET timeShift() [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND TRUE \read(pumpRunning) [L165] CALL lowerWaterLevel() [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 [L165] RET lowerWaterLevel() [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND TRUE \read(pumpRunning) [L223] CALL, EXPR isMethaneAlarm() [L259] int retValue_acc ; [L263] CALL, EXPR isMethaneLevelCritical() [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); [L263] RET, EXPR isMethaneLevelCritical() [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); [L223] RET, EXPR isMethaneAlarm() [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) [L231] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND FALSE !(! pumpRunning) [L210] FCALL processEnvironment__wrappee__base() [L231] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) [L178] RET __utac_acc__Specification4_spec__1() [L135] RET timeShift() [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND TRUE \read(pumpRunning) [L165] CALL lowerWaterLevel() [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 [L165] RET lowerWaterLevel() [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND TRUE \read(pumpRunning) [L223] CALL, EXPR isMethaneAlarm() [L259] int retValue_acc ; [L263] CALL, EXPR isMethaneLevelCritical() [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); [L263] RET, EXPR isMethaneLevelCritical() [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); [L223] RET, EXPR isMethaneAlarm() [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) [L231] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND FALSE !(! pumpRunning) [L210] FCALL processEnvironment__wrappee__base() [L231] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] RET, EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND TRUE tmp == 0 [L910] CALL, EXPR isPumpRunning() [L270] int retValue_acc ; [L273] retValue_acc = pumpRunning [L274] return (retValue_acc); [L910] RET, EXPR isPumpRunning() [L910] tmp___0 = isPumpRunning() [L912] COND TRUE \read(tmp___0) [L914] CALL __automaton_fail() [L434] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 71.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1293 SDtfs, 2486 SDslu, 1176 SDs, 0 SdLazy, 5546 SolverSat, 1657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 299 SyntacticMatches, 13 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 571 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 43.9s InterpolantComputationTime, 1046 NumberOfCodeBlocks, 1046 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 300722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 116/135 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...