/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:43:39,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:43:39,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:43:39,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:43:39,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:43:39,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:43:39,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:43:39,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:43:39,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:43:39,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:43:39,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:43:39,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:43:39,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:43:39,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:43:39,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:43:39,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:43:39,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:43:39,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:43:39,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:43:39,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:43:39,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:43:39,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:43:39,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:43:39,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:43:39,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:43:39,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:43:39,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:43:39,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:43:39,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:43:39,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:43:39,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:43:39,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:43:39,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:43:39,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:43:39,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:43:39,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:43:39,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:43:39,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:43:39,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:43:39,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:43:39,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:43:39,717 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 [2020-10-15 01:43:39,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:43:39,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:43:39,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:43:39,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:43:39,761 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:43:39,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:43:39,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:43:39,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:43:39,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:43:39,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:43:39,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:43:39,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:43:39,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:43:39,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:43:39,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:43:39,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:43:39,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:43:39,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:43:39,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:43:39,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:43:39,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:43:39,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:43:39,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:43:39,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:43:39,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:43:39,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:43:39,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:43:39,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:43:39,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:43:39,767 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:43:40,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:43:40,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:43:40,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:43:40,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:43:40,109 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:43:40,110 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-10-15 01:43:40,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60bc96cf/4b6d764b65df436da594ec34020abe46/FLAG46c626199 [2020-10-15 01:43:40,711 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:43:40,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-10-15 01:43:40,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60bc96cf/4b6d764b65df436da594ec34020abe46/FLAG46c626199 [2020-10-15 01:43:41,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60bc96cf/4b6d764b65df436da594ec34020abe46 [2020-10-15 01:43:41,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:43:41,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:43:41,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:43:41,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:43:41,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:43:41,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41, skipping insertion in model container [2020-10-15 01:43:41,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:43:41,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:43:41,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:43:41,615 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:43:41,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:43:41,721 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:43:41,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41 WrapperNode [2020-10-15 01:43:41,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:43:41,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:43:41,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:43:41,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:43:41,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (1/1) ... [2020-10-15 01:43:41,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:43:41,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:43:41,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:43:41,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:43:41,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (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 [2020-10-15 01:43:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:43:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:43:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:43:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:43:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:43:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:43:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:43:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:43:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:43:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:43:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:43:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:43:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:43:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:43:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:43:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:43:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:43:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:43:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:43:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:43:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:43:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:43:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:43:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:43:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:43:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:43:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:43:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:43:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:43:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:43:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:43:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:43:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:43:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:43:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:43:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:43:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:43:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:43:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:43:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:43:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:43:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:43:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:43:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:43:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:43:42,928 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:43:42,929 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:43:42,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:43:42 BoogieIcfgContainer [2020-10-15 01:43:42,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:43:42,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:43:42,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:43:42,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:43:42,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:43:41" (1/3) ... [2020-10-15 01:43:42,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8cc542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:43:42, skipping insertion in model container [2020-10-15 01:43:42,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:41" (2/3) ... [2020-10-15 01:43:42,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8cc542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:43:42, skipping insertion in model container [2020-10-15 01:43:42,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:43:42" (3/3) ... [2020-10-15 01:43:42,942 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-10-15 01:43:42,953 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:43:42,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:43:42,978 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:43:43,007 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:43:43,007 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:43:43,007 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:43:43,008 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:43:43,008 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:43:43,008 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:43:43,008 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:43:43,008 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:43:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-10-15 01:43:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 01:43:43,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:43:43,047 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] [2020-10-15 01:43:43,047 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:43:43,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:43:43,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2020-10-15 01:43:43,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:43:43,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361347872] [2020-10-15 01:43:43,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:43:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:43,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:43,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:45,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:45,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 01:43:45,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:43:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2267 [2020-10-15 01:43:45,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:45,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:43:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 01:43:45,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:43:46,211 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:43:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:43:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:46,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 01:43:46,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:43:46,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:43:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:46,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:46,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:43:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:46,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:46,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:46,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:43:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:46,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:46,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:43:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:46,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:46,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:43:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:46,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:46,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:43:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:46,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:43:46,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:43:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:43:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:46,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:46,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:46,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:46,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:46,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:46,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:46,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:43:46,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361347872] [2020-10-15 01:43:46,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:43:46,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:43:46,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731441592] [2020-10-15 01:43:46,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:43:46,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:43:46,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:43:46,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:43:46,469 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 7 states. [2020-10-15 01:43:47,083 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:43:48,171 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:43:48,550 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:43:48,820 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:43:49,077 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:43:50,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:43:50,119 INFO L93 Difference]: Finished difference Result 361 states and 498 transitions. [2020-10-15 01:43:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:43:50,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-15 01:43:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:43:50,144 INFO L225 Difference]: With dead ends: 361 [2020-10-15 01:43:50,144 INFO L226 Difference]: Without dead ends: 228 [2020-10-15 01:43:50,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:43:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-15 01:43:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 196. [2020-10-15 01:43:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-15 01:43:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 241 transitions. [2020-10-15 01:43:50,269 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 241 transitions. Word has length 52 [2020-10-15 01:43:50,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:43:50,270 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 241 transitions. [2020-10-15 01:43:50,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:43:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 241 transitions. [2020-10-15 01:43:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 01:43:50,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:43:50,285 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] [2020-10-15 01:43:50,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:43:50,286 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:43:50,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:43:50,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1159327153, now seen corresponding path program 1 times [2020-10-15 01:43:50,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:43:50,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734386337] [2020-10-15 01:43:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:43:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:50,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:50,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 01:43:55,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:43:55,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 01:43:55,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:43:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:55,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 01:43:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:43:55,717 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:43:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:43:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:55,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-15 01:43:55,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:43:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:43:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:55,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:43:55,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:43:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:55,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:43:55,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:43:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:55,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:43:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:55,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:55,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:43:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:55,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:43:55,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:43:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:43:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:43:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:43:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:55,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:55,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:55,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:55,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:43:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:56,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:56,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:56,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:43:56,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:56,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:43:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:43:56,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 01:43:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:56,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:56,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:56,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:56,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:56,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:56,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:43:56,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734386337] [2020-10-15 01:43:56,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:43:56,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 01:43:56,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626991264] [2020-10-15 01:43:56,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:43:56,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:43:56,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:43:56,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:43:56,054 INFO L87 Difference]: Start difference. First operand 196 states and 241 transitions. Second operand 10 states. [2020-10-15 01:43:56,699 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:43:57,535 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:43:58,142 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:43:58,537 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:43:58,854 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:43:59,170 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:43:59,545 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:43:59,839 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:00,119 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:00,569 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:02,076 INFO L93 Difference]: Finished difference Result 450 states and 638 transitions. [2020-10-15 01:44:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 01:44:02,077 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-15 01:44:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:02,083 INFO L225 Difference]: With dead ends: 450 [2020-10-15 01:44:02,083 INFO L226 Difference]: Without dead ends: 314 [2020-10-15 01:44:02,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:44:02,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-15 01:44:02,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 250. [2020-10-15 01:44:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-15 01:44:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 299 transitions. [2020-10-15 01:44:02,169 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 299 transitions. Word has length 57 [2020-10-15 01:44:02,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:02,169 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 299 transitions. [2020-10-15 01:44:02,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:44:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 299 transitions. [2020-10-15 01:44:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-15 01:44:02,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:02,174 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] [2020-10-15 01:44:02,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:44:02,174 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:02,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:02,175 INFO L82 PathProgramCache]: Analyzing trace with hash 618158379, now seen corresponding path program 1 times [2020-10-15 01:44:02,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:02,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277485180] [2020-10-15 01:44:02,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 01:44:02,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-15 01:44:02,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 01:44:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,592 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:02,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 01:44:02,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:02,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:02,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:02,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:02,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:02,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:44:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 01:44:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:02,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:02,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 01:44:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:02,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:02,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:02,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:02,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:02,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:02,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:02,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277485180] [2020-10-15 01:44:02,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:02,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:44:02,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618302580] [2020-10-15 01:44:02,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:44:02,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:02,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:44:02,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:44:02,794 INFO L87 Difference]: Start difference. First operand 250 states and 299 transitions. Second operand 5 states. [2020-10-15 01:44:03,197 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:04,112 INFO L93 Difference]: Finished difference Result 521 states and 659 transitions. [2020-10-15 01:44:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 01:44:04,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-15 01:44:04,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:04,119 INFO L225 Difference]: With dead ends: 521 [2020-10-15 01:44:04,119 INFO L226 Difference]: Without dead ends: 295 [2020-10-15 01:44:04,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:44:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-15 01:44:04,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 250. [2020-10-15 01:44:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-15 01:44:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 295 transitions. [2020-10-15 01:44:04,210 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 295 transitions. Word has length 61 [2020-10-15 01:44:04,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:04,212 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 295 transitions. [2020-10-15 01:44:04,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:44:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 295 transitions. [2020-10-15 01:44:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-15 01:44:04,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:04,221 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] [2020-10-15 01:44:04,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:44:04,221 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:04,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:04,222 INFO L82 PathProgramCache]: Analyzing trace with hash 7432290, now seen corresponding path program 1 times [2020-10-15 01:44:04,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:04,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539031785] [2020-10-15 01:44:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:04,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 01:44:06,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:44:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1828 [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:44:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,326 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 01:44:06,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:06,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:06,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:06,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:06,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:06,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:44:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:44:06,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:44:06,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:44:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:44:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:44:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 01:44:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 01:44:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:06,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 01:44:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:06,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:06,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:06,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:06,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:06,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:06,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:06,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:06,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:06,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:06,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539031785] [2020-10-15 01:44:06,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:06,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:44:06,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623523465] [2020-10-15 01:44:06,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:44:06,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:06,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:44:06,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:44:06,544 INFO L87 Difference]: Start difference. First operand 250 states and 295 transitions. Second operand 8 states. [2020-10-15 01:44:06,934 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:08,153 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:09,224 INFO L93 Difference]: Finished difference Result 728 states and 926 transitions. [2020-10-15 01:44:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:44:09,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-10-15 01:44:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:09,230 INFO L225 Difference]: With dead ends: 728 [2020-10-15 01:44:09,230 INFO L226 Difference]: Without dead ends: 502 [2020-10-15 01:44:09,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:44:09,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-10-15 01:44:09,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 442. [2020-10-15 01:44:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-15 01:44:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 523 transitions. [2020-10-15 01:44:09,309 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 523 transitions. Word has length 69 [2020-10-15 01:44:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:09,310 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 523 transitions. [2020-10-15 01:44:09,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:44:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 523 transitions. [2020-10-15 01:44:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:44:09,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:09,312 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, 1, 1, 1, 1] [2020-10-15 01:44:09,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:44:09,313 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:09,313 INFO L82 PathProgramCache]: Analyzing trace with hash 786989304, now seen corresponding path program 1 times [2020-10-15 01:44:09,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:09,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333650443] [2020-10-15 01:44:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:09,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 01:44:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:44:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2820 [2020-10-15 01:44:12,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:44:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 01:44:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,438 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:12,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-15 01:44:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:12,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:44:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:44:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:44:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:44:12,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:44:12,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:44:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 01:44:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:44:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:44:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:44:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:44:12,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:44:12,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:44:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 01:44:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:12,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:44:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:44:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:12,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:12,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:12,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:12,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:12,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:12,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:12,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333650443] [2020-10-15 01:44:12,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:12,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:44:12,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346691719] [2020-10-15 01:44:12,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:44:12,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:12,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:44:12,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:44:12,659 INFO L87 Difference]: Start difference. First operand 442 states and 523 transitions. Second operand 9 states. [2020-10-15 01:44:13,083 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:13,593 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:14,849 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:15,574 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 01:44:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:16,964 INFO L93 Difference]: Finished difference Result 1106 states and 1440 transitions. [2020-10-15 01:44:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:44:16,964 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-10-15 01:44:16,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:16,971 INFO L225 Difference]: With dead ends: 1106 [2020-10-15 01:44:16,971 INFO L226 Difference]: Without dead ends: 792 [2020-10-15 01:44:16,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:44:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-15 01:44:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 695. [2020-10-15 01:44:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-15 01:44:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 853 transitions. [2020-10-15 01:44:17,103 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 853 transitions. Word has length 83 [2020-10-15 01:44:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:17,103 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 853 transitions. [2020-10-15 01:44:17,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:44:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 853 transitions. [2020-10-15 01:44:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:44:17,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:17,105 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, 1, 1, 1, 1] [2020-10-15 01:44:17,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:44:17,105 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:17,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:17,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2020-10-15 01:44:17,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:17,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983036819] [2020-10-15 01:44:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 01:44:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-15 01:44:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-15 01:44:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:17,664 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:17,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:44:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:17,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:17,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:17,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:17,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:17,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:17,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:17,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:44:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:44:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:44:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:44:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:44:17,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:44:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:44:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:44:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:44:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:44:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 01:44:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:44:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:17,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:44:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:17,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:17,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:17,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:17,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983036819] [2020-10-15 01:44:17,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:17,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:44:17,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247000690] [2020-10-15 01:44:17,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:44:17,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:17,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:44:17,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:44:17,860 INFO L87 Difference]: Start difference. First operand 695 states and 853 transitions. Second operand 8 states. [2020-10-15 01:44:18,670 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:18,909 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:19,161 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:20,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:20,301 INFO L93 Difference]: Finished difference Result 1308 states and 1680 transitions. [2020-10-15 01:44:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:44:20,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-10-15 01:44:20,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:20,311 INFO L225 Difference]: With dead ends: 1308 [2020-10-15 01:44:20,312 INFO L226 Difference]: Without dead ends: 771 [2020-10-15 01:44:20,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:44:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-10-15 01:44:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 695. [2020-10-15 01:44:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-15 01:44:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 852 transitions. [2020-10-15 01:44:20,422 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 852 transitions. Word has length 83 [2020-10-15 01:44:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:20,423 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 852 transitions. [2020-10-15 01:44:20,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:44:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 852 transitions. [2020-10-15 01:44:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:44:20,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:20,425 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, 1, 1, 1, 1] [2020-10-15 01:44:20,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:44:20,425 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:20,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:20,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2020-10-15 01:44:20,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:20,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610195983] [2020-10-15 01:44:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:20,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:20,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 01:44:20,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-15 01:44:20,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:20,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:44:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-15 01:44:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:44:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:20,982 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:20,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:21,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:21,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:21,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:21,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:21,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:44:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:44:21,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:44:21,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:44:21,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:44:21,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:44:21,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:44:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:44:21,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:44:21,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:44:21,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:44:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:44:21,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:21,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:44:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:21,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:21,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:44:21,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 01:44:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:21,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:44:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:44:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:21,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:21,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610195983] [2020-10-15 01:44:21,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:21,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:44:21,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495292123] [2020-10-15 01:44:21,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:44:21,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:21,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:44:21,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:44:21,167 INFO L87 Difference]: Start difference. First operand 695 states and 852 transitions. Second operand 9 states. [2020-10-15 01:44:22,393 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:44:22,634 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:44:22,899 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:44:23,161 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:44:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:24,253 INFO L93 Difference]: Finished difference Result 1395 states and 1765 transitions. [2020-10-15 01:44:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:44:24,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-10-15 01:44:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:24,260 INFO L225 Difference]: With dead ends: 1395 [2020-10-15 01:44:24,260 INFO L226 Difference]: Without dead ends: 724 [2020-10-15 01:44:24,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:44:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-10-15 01:44:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 664. [2020-10-15 01:44:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-15 01:44:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 804 transitions. [2020-10-15 01:44:24,408 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 804 transitions. Word has length 83 [2020-10-15 01:44:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:24,409 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 804 transitions. [2020-10-15 01:44:24,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:44:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 804 transitions. [2020-10-15 01:44:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-15 01:44:24,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:24,414 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, 1, 1, 1, 1, 1] [2020-10-15 01:44:24,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:44:24,414 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2020-10-15 01:44:24,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:24,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125184368] [2020-10-15 01:44:24,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:24,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 01:44:24,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-15 01:44:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:44:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:24,958 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:24,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:24,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:24,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:24,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:24,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:25,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:25,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:25,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:25,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:25,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:44:25,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:44:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:44:25,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:44:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:44:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:44:25,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:44:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:44:25,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:44:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 01:44:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 01:44:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 01:44:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:25,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:25,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:25,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:25,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:25,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:25,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:25,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125184368] [2020-10-15 01:44:25,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:25,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:44:25,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695001474] [2020-10-15 01:44:25,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:44:25,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:25,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:44:25,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:44:25,135 INFO L87 Difference]: Start difference. First operand 664 states and 804 transitions. Second operand 9 states. [2020-10-15 01:44:26,257 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:26,834 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:27,166 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:27,437 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:27,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:27,888 INFO L93 Difference]: Finished difference Result 1023 states and 1242 transitions. [2020-10-15 01:44:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:44:27,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-15 01:44:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:27,891 INFO L225 Difference]: With dead ends: 1023 [2020-10-15 01:44:27,891 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:44:27,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-15 01:44:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:44:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:44:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:44:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:44:27,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-10-15 01:44:27,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:27,896 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:44:27,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:44:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:44:27,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:44:27,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:44:27,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:44:28,775 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 104 [2020-10-15 01:44:31,295 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 210 [2020-10-15 01:44:31,973 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 210 [2020-10-15 01:44:32,993 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-10-15 01:44:33,782 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-10-15 01:44:33,951 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-10-15 01:44:34,115 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:34,281 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:34,422 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-15 01:44:34,540 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 18 [2020-10-15 01:44:35,279 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-10-15 01:44:35,481 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:36,639 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 183 DAG size of output: 33 [2020-10-15 01:44:37,471 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 25 [2020-10-15 01:44:37,623 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-15 01:44:37,809 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-15 01:44:38,453 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-10-15 01:44:38,602 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-15 01:44:39,002 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 22 [2020-10-15 01:44:39,457 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-10-15 01:44:39,619 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:39,782 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:40,122 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-10-15 01:44:40,262 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-15 01:44:40,417 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-10-15 01:44:40,878 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-10-15 01:44:41,024 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-15 01:44:41,184 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-15 01:44:41,687 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-15 01:44:41,886 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-10-15 01:44:42,292 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 22 [2020-10-15 01:44:42,908 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-15 01:44:43,072 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:43,345 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-10-15 01:44:43,496 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-15 01:44:43,666 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-10-15 01:44:43,843 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:44,008 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:44,176 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-10-15 01:44:44,362 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-15 01:44:45,018 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 37 [2020-10-15 01:44:45,389 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-10-15 01:44:45,912 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-10-15 01:44:46,527 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-15 01:44:47,011 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-10-15 01:44:47,016 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-10-15 01:44:47,016 INFO L268 CegarLoopResult]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2020-10-15 01:44:47,017 INFO L268 CegarLoopResult]: For program point L342(lines 319 343) no Hoare annotation was computed. [2020-10-15 01:44:47,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2020-10-15 01:44:47,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2020-10-15 01:44:47,017 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-15 01:44:47,017 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2020-10-15 01:44:47,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point L403(lines 376 404) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2020-10-15 01:44:47,019 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2020-10-15 01:44:47,019 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2020-10-15 01:44:47,020 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2020-10-15 01:44:47,020 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2020-10-15 01:44:47,020 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2020-10-15 01:44:47,020 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,020 INFO L264 CegarLoopResult]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,020 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,020 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2020-10-15 01:44:47,021 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2020-10-15 01:44:47,021 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,021 INFO L264 CegarLoopResult]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,021 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-10-15 01:44:47,021 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2020-10-15 01:44:47,021 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-10-15 01:44:47,021 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-10-15 01:44:47,022 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-15 01:44:47,023 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-10-15 01:44:47,024 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point L576(lines 576 596) no Hoare annotation was computed. [2020-10-15 01:44:47,025 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-10-15 01:44:47,026 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 763 773) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 755 762) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-10-15 01:44:47,027 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-10-15 01:44:47,028 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2020-10-15 01:44:47,028 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (and (= 1 processEnvironment_~tmp~5) .cse0) .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2020-10-15 01:44:47,028 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-10-15 01:44:47,028 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2020-10-15 01:44:47,028 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-15 01:44:47,028 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2020-10-15 01:44:47,028 INFO L268 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-10-15 01:44:47,029 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-15 01:44:47,029 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-15 01:44:47,029 INFO L268 CegarLoopResult]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2020-10-15 01:44:47,029 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2020-10-15 01:44:47,029 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2020-10-15 01:44:47,029 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (= ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:44:47,029 INFO L264 CegarLoopResult]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:44:47,030 INFO L264 CegarLoopResult]: At program point L671(lines 628 673) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (= ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:44:47,030 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-10-15 01:44:47,030 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2020-10-15 01:44:47,030 INFO L268 CegarLoopResult]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2020-10-15 01:44:47,030 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-10-15 01:44:47,030 INFO L264 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (<= ~waterLevel~0 0)) [2020-10-15 01:44:47,030 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-15 01:44:47,030 INFO L264 CegarLoopResult]: At program point L664-2(lines 658 669) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (= ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (= ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-10-15 01:44:47,031 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2020-10-15 01:44:47,032 INFO L268 CegarLoopResult]: For program point L442(lines 442 458) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L502(lines 502 509) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L463(lines 462 482) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L459(lines 459 500) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L501(lines 501 512) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2020-10-15 01:44:47,033 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point L483(lines 461 484) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 874 883) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 874 883) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 874 883) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-10-15 01:44:47,034 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-15 01:44:47,035 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-10-15 01:44:47,035 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-10-15 01:44:47,035 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (= ~pumpRunning~0 1)) .cse1 .cse2))) [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,036 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-15 01:44:47,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-15 01:44:47,037 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-15 01:44:47,037 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (and .cse2 .cse3)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2) .cse3) .cse4 .cse1) (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse5 .cse4 .cse1 .cse6) (or .cse0 .cse5 .cse6)))) [2020-10-15 01:44:47,037 INFO L264 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse0 (= ~pumpRunning~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 0))) (and (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0) .cse1) .cse2 .cse3) (or (and .cse0 .cse1) .cse4 .cse3 .cse5 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3 .cse5 .cse6) (or .cse4 .cse2 .cse3 .cse7) (or .cse4 .cse0 .cse7) (or .cse0 (not (<= |old(~waterLevel~0)| 0)))))) [2020-10-15 01:44:47,037 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse0 .cse3) (or .cse3 .cse1 .cse2))) [2020-10-15 01:44:47,037 INFO L268 CegarLoopResult]: For program point L694(lines 693 712) no Hoare annotation was computed. [2020-10-15 01:44:47,038 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2020-10-15 01:44:47,038 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2020-10-15 01:44:47,039 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2020-10-15 01:44:47,039 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-10-15 01:44:47,039 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-10-15 01:44:47,040 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0))) (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2020-10-15 01:44:47,040 INFO L264 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: (let ((.cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 0))) (let ((.cse0 (and .cse3 .cse4)) (.cse1 (and .cse2 .cse4))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse1 .cse0 (and (or .cse2 .cse3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3)))) [2020-10-15 01:44:47,040 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-15 01:44:47,040 INFO L264 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: (let ((.cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 0))) (let ((.cse0 (and .cse3 .cse4)) (.cse1 (and .cse2 .cse4))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse1 .cse0 (and (or .cse2 .cse3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3)))) [2020-10-15 01:44:47,040 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0))) (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2020-10-15 01:44:47,040 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-10-15 01:44:47,040 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-10-15 01:44:47,040 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-15 01:44:47,040 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0) (or (not (= ~pumpRunning~0 1)) .cse0))) [2020-10-15 01:44:47,040 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2020-10-15 01:44:47,041 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 (not (= ~pumpRunning~0 0)) .cse1) (or .cse0 .cse2 .cse1))) [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L856-1(line 856) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L271 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L271 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-15 01:44:47,041 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-15 01:44:47,042 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-10-15 01:44:47,042 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-10-15 01:44:47,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,042 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-15 01:44:47,042 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:44:47,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:44:47,043 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-15 01:44:47,043 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-15 01:44:47,043 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-15 01:44:47,043 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2020-10-15 01:44:47,044 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2020-10-15 01:44:47,044 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2020-10-15 01:44:47,044 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2020-10-15 01:44:47,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:44:47 BoogieIcfgContainer [2020-10-15 01:44:47,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:44:47,063 INFO L168 Benchmark]: Toolchain (without parser) took 66009.73 ms. Allocated memory was 147.8 MB in the beginning and 954.7 MB in the end (delta: 806.9 MB). Free memory was 101.9 MB in the beginning and 753.0 MB in the end (delta: -651.1 MB). Peak memory consumption was 823.3 MB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,064 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.49 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 171.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,066 INFO L168 Benchmark]: Boogie Preprocessor took 88.57 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 167.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,066 INFO L168 Benchmark]: RCFGBuilder took 1122.32 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 167.0 MB in the beginning and 191.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,067 INFO L168 Benchmark]: TraceAbstraction took 64126.84 ms. Allocated memory was 233.8 MB in the beginning and 954.7 MB in the end (delta: 720.9 MB). Free memory was 191.7 MB in the beginning and 753.0 MB in the end (delta: -561.3 MB). Peak memory consumption was 827.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:44:47,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.49 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 171.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.57 ms. Allocated memory is still 204.5 MB. Free memory was 171.6 MB in the beginning and 167.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.32 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 167.0 MB in the beginning and 191.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64126.84 ms. Allocated memory was 233.8 MB in the beginning and 954.7 MB in the end (delta: 720.9 MB). Free memory was 191.7 MB in the beginning and 753.0 MB in the end (delta: -561.3 MB). Peak memory consumption was 827.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((\old(waterLevel) == waterLevel && waterLevel <= 0) || !(\old(waterLevel) <= 0)) && (((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 0) || (\old(waterLevel) == waterLevel && waterLevel <= 0)) || ((waterLevel + 1 <= \old(waterLevel) || \old(waterLevel) == waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || !(1 == systemActive))) && (((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 0) || !(\old(waterLevel) == 1)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || \old(waterLevel) == waterLevel) || pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || waterLevel <= 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1124 SDtfs, 2289 SDslu, 1540 SDs, 0 SdLazy, 6040 SolverSat, 1563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=695occurred in iteration=5, 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, 8 MinimizatonAttempts, 434 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 1499 PreInvPairs, 2155 NumberOfFragments, 1445 HoareAnnotationTreeSize, 1499 FomulaSimplifications, 1291517 FormulaSimplificationTreeSizeReduction, 5.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 29803 FormulaSimplificationTreeSizeReductionInter, 13.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 175703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...