/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=BIGGEST --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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:58:34,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:58:34,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:58:34,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:58:34,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:58:34,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:58:34,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:58:34,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:58:34,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:58:34,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:58:34,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:58:34,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:58:34,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:58:34,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:58:34,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:58:34,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:58:34,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:58:34,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:58:34,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:58:34,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:58:34,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:58:34,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:58:34,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:58:34,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:58:34,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:58:34,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:58:34,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:58:34,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:58:34,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:58:34,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:58:34,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:58:34,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:58:34,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:58:34,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:58:34,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:58:34,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:58:34,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:58:34,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:58:34,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:58:34,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:58:34,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:58:34,690 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 [2020-10-12 17:58:34,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:58:34,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:58:34,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:58:34,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:58:34,745 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:58:34,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:58:34,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:58:34,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:58:34,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:58:34,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:58:34,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:58:34,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:58:34,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:58:34,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:58:34,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:58:34,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:58:34,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:58:34,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:58:34,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:58:34,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:58:34,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:58:34,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:58:34,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:58:34,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:58:34,752 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:58:35,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:58:35,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:58:35,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:58:35,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:58:35,099 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:58:35,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-12 17:58:35,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97de05fd5/a05a35c3e08e4e24bc7b6461c6d89a4e/FLAG15cb6e6d2 [2020-10-12 17:58:35,693 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:58:35,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-12 17:58:35,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97de05fd5/a05a35c3e08e4e24bc7b6461c6d89a4e/FLAG15cb6e6d2 [2020-10-12 17:58:35,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97de05fd5/a05a35c3e08e4e24bc7b6461c6d89a4e [2020-10-12 17:58:35,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:58:35,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:58:35,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:58:35,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:58:35,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:58:35,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:58:35" (1/1) ... [2020-10-12 17:58:35,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4712c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:35, skipping insertion in model container [2020-10-12 17:58:35,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:58:35" (1/1) ... [2020-10-12 17:58:35,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:58:35,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:58:36,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:58:36,360 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:58:36,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:58:36,631 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:58:36,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36 WrapperNode [2020-10-12 17:58:36,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:58:36,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:58:36,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:58:36,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:58:36,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (1/1) ... [2020-10-12 17:58:36,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:58:36,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:58:36,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:58:36,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:58:36,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (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 [2020-10-12 17:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:58:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-12 17:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:58:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:58:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:58:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-12 17:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:58:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:58:37,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:58:37,808 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:58:37,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:58:37 BoogieIcfgContainer [2020-10-12 17:58:37,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:58:37,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:58:37,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:58:37,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:58:37,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:58:35" (1/3) ... [2020-10-12 17:58:37,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7c7811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:58:37, skipping insertion in model container [2020-10-12 17:58:37,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:58:36" (2/3) ... [2020-10-12 17:58:37,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7c7811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:58:37, skipping insertion in model container [2020-10-12 17:58:37,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:58:37" (3/3) ... [2020-10-12 17:58:37,823 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2020-10-12 17:58:37,833 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:58:37,841 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:58:37,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:58:37,879 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:58:37,879 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:58:37,880 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:58:37,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:58:37,880 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:58:37,880 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:58:37,880 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:58:37,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:58:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-10-12 17:58:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-12 17:58:37,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:58:37,916 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] [2020-10-12 17:58:37,916 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:58:37,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:58:37,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2107173997, now seen corresponding path program 1 times [2020-10-12 17:58:37,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:58:37,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920794124] [2020-10-12 17:58:37,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:58:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:38,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 17:58:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:58:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027 [2020-10-12 17:58:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:58:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:58:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:58:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:58:40,680 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:58:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:58:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:40,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 17:58:40,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:58:40,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:58:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:40,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:40,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:58:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:40,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:40,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:58:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:40,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:40,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:58:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:40,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:40,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:58:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:40,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:40,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:58:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:58:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:58:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:58:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:40,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:40,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:40,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:40,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:40,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:58:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:58:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:58:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:58:40,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920794124] [2020-10-12 17:58:40,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:58:40,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:58:40,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797104552] [2020-10-12 17:58:40,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:58:40,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:58:40,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:58:40,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:58:40,932 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 7 states. [2020-10-12 17:58:41,686 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:58:43,464 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:44,090 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:44,655 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:44,980 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:58:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:58:46,344 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2020-10-12 17:58:46,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 17:58:46,349 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-12 17:58:46,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:58:46,378 INFO L225 Difference]: With dead ends: 434 [2020-10-12 17:58:46,378 INFO L226 Difference]: Without dead ends: 278 [2020-10-12 17:58:46,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:58:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-12 17:58:46,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 244. [2020-10-12 17:58:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-12 17:58:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 298 transitions. [2020-10-12 17:58:46,511 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 298 transitions. Word has length 52 [2020-10-12 17:58:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:58:46,511 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 298 transitions. [2020-10-12 17:58:46,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:58:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 298 transitions. [2020-10-12 17:58:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-12 17:58:46,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:58:46,517 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] [2020-10-12 17:58:46,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:58:46,518 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:58:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:58:46,518 INFO L82 PathProgramCache]: Analyzing trace with hash -977914288, now seen corresponding path program 1 times [2020-10-12 17:58:46,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:58:46,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249061619] [2020-10-12 17:58:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:58:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:46,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:58:51,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:58:51,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:58:51,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 17:58:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:58:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 17:58:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:58:51,843 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:58:51,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:58:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:51,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 17:58:51,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:58:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:58:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:58:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:51,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:51,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:51,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:58:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:51,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:58:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:58:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:51,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:58:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:58:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:51,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:51,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:58:51,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:58:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:58:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:58:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:58:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:51,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:52,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:52,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:58:52,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:58:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 17:58:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:52,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:52,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:52,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:58:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:58:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:58:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:58:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 17:58:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:58:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:58:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:58:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:58:52,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:58:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:58:52,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:58:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:58:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:58:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:58:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:58:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:58:52,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249061619] [2020-10-12 17:58:52,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:58:52,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 17:58:52,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387366328] [2020-10-12 17:58:52,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:58:52,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:58:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:58:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:58:52,041 INFO L87 Difference]: Start difference. First operand 244 states and 298 transitions. Second operand 10 states. [2020-10-12 17:58:52,627 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:58:53,404 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:58:54,043 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:54,512 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:58:54,862 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:58:55,139 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:55,513 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:58:55,862 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:58:56,149 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:58:56,641 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-12 17:58:57,110 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:58:58,306 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-12 17:58:58,798 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-10-12 17:59:00,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:00,800 INFO L93 Difference]: Finished difference Result 646 states and 913 transitions. [2020-10-12 17:59:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 17:59:00,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-12 17:59:00,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:00,809 INFO L225 Difference]: With dead ends: 646 [2020-10-12 17:59:00,810 INFO L226 Difference]: Without dead ends: 486 [2020-10-12 17:59:00,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2020-10-12 17:59:00,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-10-12 17:59:00,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 417. [2020-10-12 17:59:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-12 17:59:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 511 transitions. [2020-10-12 17:59:00,925 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 511 transitions. Word has length 57 [2020-10-12 17:59:00,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:00,925 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 511 transitions. [2020-10-12 17:59:00,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:59:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 511 transitions. [2020-10-12 17:59:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-12 17:59:00,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:00,930 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] [2020-10-12 17:59:00,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:59:00,930 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:00,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:00,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1803075355, now seen corresponding path program 1 times [2020-10-12 17:59:00,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:00,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631484020] [2020-10-12 17:59:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:01,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:01,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:03,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:05,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:05,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 17:59:05,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:59:05,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 17:59:05,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:59:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 17:59:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 17:59:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,223 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 17:59:06,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:06,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:06,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:06,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:06,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:06,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:59:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:06,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:06,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:59:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:06,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:59:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:59:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 17:59:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:06,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 17:59:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:06,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 17:59:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:06,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:06,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:06,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:06,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:06,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:06,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631484020] [2020-10-12 17:59:06,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:06,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 17:59:06,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392783012] [2020-10-12 17:59:06,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 17:59:06,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:06,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 17:59:06,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:59:06,401 INFO L87 Difference]: Start difference. First operand 417 states and 511 transitions. Second operand 10 states. [2020-10-12 17:59:07,081 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:07,632 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:08,379 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:08,721 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:09,031 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:09,274 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:10,991 INFO L93 Difference]: Finished difference Result 879 states and 1180 transitions. [2020-10-12 17:59:10,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 17:59:10,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-10-12 17:59:10,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:10,998 INFO L225 Difference]: With dead ends: 879 [2020-10-12 17:59:10,998 INFO L226 Difference]: Without dead ends: 559 [2020-10-12 17:59:11,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-12 17:59:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-10-12 17:59:11,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 475. [2020-10-12 17:59:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-12 17:59:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 577 transitions. [2020-10-12 17:59:11,137 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 577 transitions. Word has length 65 [2020-10-12 17:59:11,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:11,138 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 577 transitions. [2020-10-12 17:59:11,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 17:59:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 577 transitions. [2020-10-12 17:59:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:59:11,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:11,142 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] [2020-10-12 17:59:11,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:59:11,142 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:11,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:11,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1181394133, now seen corresponding path program 1 times [2020-10-12 17:59:11,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:11,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006428588] [2020-10-12 17:59:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:59:11,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 17:59:11,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 17:59:11,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,519 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 17:59:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:11,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:11,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:11,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:11,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:59:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:11,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 17:59:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:11,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:11,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 17:59:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:11,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:11,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006428588] [2020-10-12 17:59:11,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:11,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 17:59:11,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535009360] [2020-10-12 17:59:11,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 17:59:11,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:11,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 17:59:11,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 17:59:11,649 INFO L87 Difference]: Start difference. First operand 475 states and 577 transitions. Second operand 5 states. [2020-10-12 17:59:11,991 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:12,979 INFO L93 Difference]: Finished difference Result 989 states and 1253 transitions. [2020-10-12 17:59:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 17:59:12,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-12 17:59:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:12,984 INFO L225 Difference]: With dead ends: 989 [2020-10-12 17:59:12,984 INFO L226 Difference]: Without dead ends: 538 [2020-10-12 17:59:12,986 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 [2020-10-12 17:59:12,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-12 17:59:13,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 475. [2020-10-12 17:59:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-12 17:59:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 571 transitions. [2020-10-12 17:59:13,096 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 571 transitions. Word has length 61 [2020-10-12 17:59:13,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:13,096 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 571 transitions. [2020-10-12 17:59:13,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 17:59:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 571 transitions. [2020-10-12 17:59:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-12 17:59:13,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:13,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:59:13,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:59:13,100 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:13,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:13,100 INFO L82 PathProgramCache]: Analyzing trace with hash 60573502, now seen corresponding path program 1 times [2020-10-12 17:59:13,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:13,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893880152] [2020-10-12 17:59:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 17:59:15,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:59:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1927 [2020-10-12 17:59:15,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:59:15,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:15,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 17:59:15,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,294 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:15,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:15,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:59:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 17:59:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:59:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:59:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:59:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:59:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:59:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:59:15,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:59:15,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:15,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:59:15,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:59:15,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:15,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:59:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 17:59:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 17:59:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:15,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 17:59:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:15,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:15,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893880152] [2020-10-12 17:59:15,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:15,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:59:15,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281518740] [2020-10-12 17:59:15,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:59:15,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:15,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:59:15,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:59:15,530 INFO L87 Difference]: Start difference. First operand 475 states and 571 transitions. Second operand 8 states. [2020-10-12 17:59:15,901 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:17,121 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:18,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:18,150 INFO L93 Difference]: Finished difference Result 1141 states and 1469 transitions. [2020-10-12 17:59:18,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 17:59:18,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2020-10-12 17:59:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:18,157 INFO L225 Difference]: With dead ends: 1141 [2020-10-12 17:59:18,157 INFO L226 Difference]: Without dead ends: 690 [2020-10-12 17:59:18,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:59:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-10-12 17:59:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 624. [2020-10-12 17:59:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-12 17:59:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 745 transitions. [2020-10-12 17:59:18,281 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 745 transitions. Word has length 74 [2020-10-12 17:59:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:18,282 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 745 transitions. [2020-10-12 17:59:18,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:59:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 745 transitions. [2020-10-12 17:59:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 17:59:18,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:18,284 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, 1, 1, 1, 1] [2020-10-12 17:59:18,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:59:18,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:18,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:18,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1947377917, now seen corresponding path program 1 times [2020-10-12 17:59:18,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:18,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362852946] [2020-10-12 17:59:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-12 17:59:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,724 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:59:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 17:59:18,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:59:18,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 17:59:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 17:59:18,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:59:18,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:59:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:18,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:18,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:59:18,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:59:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:59:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:59:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:18,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:59:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 17:59:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 17:59:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 17:59:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:18,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:18,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:18,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362852946] [2020-10-12 17:59:18,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:18,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:59:18,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891065283] [2020-10-12 17:59:18,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:59:18,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:18,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:59:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:59:18,925 INFO L87 Difference]: Start difference. First operand 624 states and 745 transitions. Second operand 8 states. [2020-10-12 17:59:19,936 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:20,161 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:59:20,408 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:21,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:21,602 INFO L93 Difference]: Finished difference Result 1176 states and 1462 transitions. [2020-10-12 17:59:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 17:59:21,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-12 17:59:21,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:21,608 INFO L225 Difference]: With dead ends: 1176 [2020-10-12 17:59:21,608 INFO L226 Difference]: Without dead ends: 690 [2020-10-12 17:59:21,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:59:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-10-12 17:59:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 624. [2020-10-12 17:59:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-12 17:59:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 744 transitions. [2020-10-12 17:59:21,704 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 744 transitions. Word has length 88 [2020-10-12 17:59:21,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:21,704 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 744 transitions. [2020-10-12 17:59:21,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:59:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 744 transitions. [2020-10-12 17:59:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 17:59:21,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:21,727 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, 1, 1, 1, 1] [2020-10-12 17:59:21,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:59:21,727 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:21,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1503583877, now seen corresponding path program 1 times [2020-10-12 17:59:21,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:21,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62746548] [2020-10-12 17:59:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:21,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:21,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-12 17:59:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,176 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:22,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:22,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:59:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 17:59:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:59:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 17:59:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:59:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:59:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:22,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:59:22,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:59:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:22,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:59:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 17:59:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 17:59:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:22,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 17:59:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:22,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:22,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:22,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:22,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:22,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:59:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:22,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:22,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62746548] [2020-10-12 17:59:22,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:22,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:59:22,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808546742] [2020-10-12 17:59:22,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:59:22,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:22,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:59:22,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:59:22,370 INFO L87 Difference]: Start difference. First operand 624 states and 744 transitions. Second operand 9 states. [2020-10-12 17:59:23,267 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:23,517 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:59:23,766 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:24,000 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:59:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:25,145 INFO L93 Difference]: Finished difference Result 1251 states and 1547 transitions. [2020-10-12 17:59:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 17:59:25,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-12 17:59:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:25,152 INFO L225 Difference]: With dead ends: 1251 [2020-10-12 17:59:25,152 INFO L226 Difference]: Without dead ends: 651 [2020-10-12 17:59:25,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:59:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-12 17:59:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 593. [2020-10-12 17:59:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-12 17:59:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 699 transitions. [2020-10-12 17:59:25,264 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 699 transitions. Word has length 88 [2020-10-12 17:59:25,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:25,265 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 699 transitions. [2020-10-12 17:59:25,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:59:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 699 transitions. [2020-10-12 17:59:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 17:59:25,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:59:25,267 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, 1, 1, 1, 1, 1] [2020-10-12 17:59:25,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 17:59:25,268 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:59:25,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:59:25,268 INFO L82 PathProgramCache]: Analyzing trace with hash -254991864, now seen corresponding path program 1 times [2020-10-12 17:59:25,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:59:25,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718400181] [2020-10-12 17:59:25,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:59:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 17:59:25,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-12 17:59:25,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:59:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 17:59:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 17:59:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,839 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:25,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:59:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:59:25,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:25,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:59:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:25,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:25,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:59:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:25,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:25,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:59:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:59:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:59:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:25,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:59:25,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 17:59:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:59:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 17:59:25,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:59:25,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:59:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:59:25,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:59:25,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:59:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:59:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:59:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:59:25,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:59:25,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:59:25,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:59:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:59:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:59:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 17:59:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 17:59:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:25,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:25,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:25,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 17:59:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:59:25,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:59:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:59:26,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:59:26,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:59:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:59:26,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:59:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:59:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:59:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:59:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:59:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:59:26,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718400181] [2020-10-12 17:59:26,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:59:26,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 17:59:26,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076508788] [2020-10-12 17:59:26,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 17:59:26,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:59:26,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 17:59:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 17:59:26,026 INFO L87 Difference]: Start difference. First operand 593 states and 699 transitions. Second operand 9 states. [2020-10-12 17:59:27,096 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:59:27,669 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:28,002 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:28,272 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:59:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:59:28,982 INFO L93 Difference]: Finished difference Result 1175 states and 1407 transitions. [2020-10-12 17:59:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 17:59:28,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-12 17:59:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:59:28,984 INFO L225 Difference]: With dead ends: 1175 [2020-10-12 17:59:28,984 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 17:59:28,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:59:28,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 17:59:28,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 17:59:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 17:59:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 17:59:28,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-10-12 17:59:28,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:59:28,989 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 17:59:28,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 17:59:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 17:59:28,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 17:59:28,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 17:59:28,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 17:59:29,751 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 209 [2020-10-12 17:59:30,149 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 29 [2020-10-12 17:59:33,713 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 213 [2020-10-12 17:59:35,733 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-12 17:59:36,238 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-10-12 17:59:36,439 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2020-10-12 17:59:36,608 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-12 17:59:36,784 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:36,989 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-12 17:59:37,155 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-12 17:59:37,526 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-10-12 17:59:37,704 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-12 17:59:37,872 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-12 17:59:38,544 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 27 [2020-10-12 17:59:38,909 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-10-12 17:59:39,069 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:39,291 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:59:40,270 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 40 [2020-10-12 17:59:40,482 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-12 17:59:41,112 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-10-12 17:59:41,803 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2020-10-12 17:59:41,958 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-12 17:59:42,383 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-10-12 17:59:42,808 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-10-12 17:59:43,152 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-10-12 17:59:43,312 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-12 17:59:43,777 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-10-12 17:59:43,954 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:44,352 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-10-12 17:59:44,786 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 21 [2020-10-12 17:59:45,054 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 7 [2020-10-12 17:59:45,208 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:45,559 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-10-12 17:59:45,915 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-10-12 17:59:46,068 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:46,422 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-10-12 17:59:46,664 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-12 17:59:46,817 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:47,010 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-12 17:59:47,334 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-10-12 17:59:47,978 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 43 [2020-10-12 17:59:48,485 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-10-12 17:59:48,649 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:49,003 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-10-12 17:59:49,178 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-10-12 17:59:49,345 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-12 17:59:49,800 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 21 [2020-10-12 17:59:49,958 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-12 17:59:49,962 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-12 17:59:49,963 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 580) no Hoare annotation was computed. [2020-10-12 17:59:49,963 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 17:59:49,963 INFO L268 CegarLoopResult]: For program point L570-2(lines 570 591) no Hoare annotation was computed. [2020-10-12 17:59:49,963 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 545 600) no Hoare annotation was computed. [2020-10-12 17:59:49,963 INFO L268 CegarLoopResult]: For program point L592(lines 569 593) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 545 600) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 545 600) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point L633-1(lines 633 637) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 601 660) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point L627-2(lines 627 652) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 601 660) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point L653(lines 626 654) no Hoare annotation was computed. [2020-10-12 17:59:49,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 601 660) no Hoare annotation was computed. [2020-10-12 17:59:49,965 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-12 17:59:49,965 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-10-12 17:59:49,965 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2020-10-12 17:59:49,965 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2020-10-12 17:59:49,965 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2020-10-12 17:59:49,965 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2020-10-12 17:59:49,965 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2020-10-12 17:59:49,966 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 931 953) 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))) [2020-10-12 17:59:49,966 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2020-10-12 17:59:49,966 INFO L264 CegarLoopResult]: At program point L943(line 943) 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))) [2020-10-12 17:59:49,966 INFO L264 CegarLoopResult]: At program point L943-1(line 943) 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))) [2020-10-12 17:59:49,966 INFO L268 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2020-10-12 17:59:49,966 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2020-10-12 17:59:49,966 INFO L268 CegarLoopResult]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2020-10-12 17:59:49,967 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-12 17:59:49,967 INFO L264 CegarLoopResult]: At program point L938(line 938) 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))) [2020-10-12 17:59:49,967 INFO L264 CegarLoopResult]: At program point L937(line 937) 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))) [2020-10-12 17:59:49,967 INFO L264 CegarLoopResult]: At program point L937-1(line 937) 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))) [2020-10-12 17:59:49,967 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-10-12 17:59:49,967 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-10-12 17:59:49,967 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 890 913) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 890 913) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 890 913) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-10-12 17:59:49,968 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-12 17:59:49,969 INFO L268 CegarLoopResult]: For program point L237(lines 237 241) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L271 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: true [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-10-12 17:59:49,970 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point L180(lines 180 188) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point L180-2(lines 180 188) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 173 208) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 173 208) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 173 208) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2020-10-12 17:59:49,971 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2020-10-12 17:59:49,971 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 499 544) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 499 544) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 499 544) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point L826(lines 826 846) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 812 857) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 812 857) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 812 857) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 921 930) 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))) [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 153 163) no Hoare annotation was computed. [2020-10-12 17:59:49,972 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point L158-1(line 158) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 1))) [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L268 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2020-10-12 17:59:49,973 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2020-10-12 17:59:49,974 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2020-10-12 17:59:49,974 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,974 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,974 INFO L268 CegarLoopResult]: For program point L120(lines 120 128) no Hoare annotation was computed. [2020-10-12 17:59:49,974 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2020-10-12 17:59:49,974 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,974 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-10-12 17:59:49,974 INFO L268 CegarLoopResult]: For program point L116(lines 116 133) no Hoare annotation was computed. [2020-10-12 17:59:49,974 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,975 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-12 17:59:49,975 INFO L268 CegarLoopResult]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2020-10-12 17:59:49,975 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2020-10-12 17:59:49,975 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2020-10-12 17:59:49,975 INFO L264 CegarLoopResult]: At program point testENTRY(lines 251 314) 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))) [2020-10-12 17:59:49,975 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0))) [2020-10-12 17:59:49,975 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-10-12 17:59:49,975 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-10-12 17:59:49,975 INFO L268 CegarLoopResult]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2020-10-12 17:59:49,975 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 0))) [2020-10-12 17:59:49,976 INFO L264 CegarLoopResult]: At program point L304(lines 261 306) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2))) [2020-10-12 17:59:49,976 INFO L268 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-10-12 17:59:49,976 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2020-10-12 17:59:49,976 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-12 17:59:49,976 INFO L264 CegarLoopResult]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2)) (<= ~waterLevel~0 0)) [2020-10-12 17:59:49,976 INFO L268 CegarLoopResult]: For program point L297(lines 297 301) no Hoare annotation was computed. [2020-10-12 17:59:49,976 INFO L264 CegarLoopResult]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0))) [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point L262(lines 261 306) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 766 811) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 766 811) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 766 811) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point L780(lines 780 800) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point L780-1(lines 780 800) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2020-10-12 17:59:49,977 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 399 421) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L407(lines 407 415) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 399 421) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 399 421) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 459 468) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 459 468) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 459 468) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 663 765) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L733(lines 711 734) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L692(lines 692 708) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L713(lines 712 732) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 663 765) no Hoare annotation was computed. [2020-10-12 17:59:49,978 INFO L268 CegarLoopResult]: For program point L709(lines 709 750) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 663 765) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L751(lines 751 762) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point L712-2(lines 712 732) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,979 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L271 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: true [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2020-10-12 17:59:49,980 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2020-10-12 17:59:49,980 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2020-10-12 17:59:49,981 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L264 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse8 .cse7)) (.cse1 (and .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)))) (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (or .cse0 .cse1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 (<= ~waterLevel~0 0)) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) (and .cse6 .cse5) .cse2 .cse3) (or .cse7 (not (<= |old(~waterLevel~0)| 0))) (or .cse4 (and (<= 1 ~pumpRunning~0) .cse7) .cse3 (not (= |old(~pumpRunning~0)| 0)) (and .cse7 .cse6 .cse5)))))) [2020-10-12 17:59:49,982 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1))) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2020-10-12 17:59:49,982 INFO L268 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2020-10-12 17:59:49,982 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and .cse7 .cse0 .cse1)) (.cse5 (and .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 (or .cse4 .cse5)) .cse2 .cse6 .cse3) (or .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 (<= ~waterLevel~0 0)) (or .cse0 (not (<= |old(~waterLevel~0)| 0)))))) [2020-10-12 17:59:49,982 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2020-10-12 17:59:49,982 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))))) [2020-10-12 17:59:49,982 INFO L271 CegarLoopResult]: At program point L885(lines 860 889) the Hoare annotation is: true [2020-10-12 17:59:49,983 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-10-12 17:59:49,983 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-10-12 17:59:49,983 INFO L264 CegarLoopResult]: At program point L874-1(lines 874 878) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (<= ~waterLevel~0 1) .cse1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 0)) (or .cse1 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= |old(~waterLevel~0)| 2)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= 1 ~systemActive~0)))))) [2020-10-12 17:59:49,983 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-10-12 17:59:49,983 INFO L264 CegarLoopResult]: At program point L870-2(lines 870 884) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (<= ~waterLevel~0 1) .cse1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 0)) (or .cse1 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= |old(~waterLevel~0)| 2)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= 1 ~systemActive~0)))))) [2020-10-12 17:59:49,983 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))))) [2020-10-12 17:59:49,983 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2020-10-12 17:59:49,984 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) .cse0))) [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L333(lines 333 346) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-12 17:59:49,984 INFO L271 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: true [2020-10-12 17:59:49,984 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2020-10-12 17:59:49,985 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L268 CegarLoopResult]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2020-10-12 17:59:49,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-12 17:59:49,985 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 17:59:49,985 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:59:49,985 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,986 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~0) .cse0) (not (<= ~waterLevel~0 2)) .cse1 (not (= |old(~pumpRunning~0)| 0)) (and .cse2 .cse0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not .cse2)))) [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1)))) [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2020-10-12 17:59:49,986 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-12 17:59:49,986 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2020-10-12 17:59:49,987 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2020-10-12 17:59:49,987 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2020-10-12 17:59:49,987 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2020-10-12 17:59:50,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:59:50 BoogieIcfgContainer [2020-10-12 17:59:50,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:59:50,007 INFO L168 Benchmark]: Toolchain (without parser) took 74079.09 ms. Allocated memory was 146.3 MB in the beginning and 897.1 MB in the end (delta: 750.8 MB). Free memory was 101.3 MB in the beginning and 501.9 MB in the end (delta: -400.6 MB). Peak memory consumption was 773.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,008 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.94 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 173.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,009 INFO L168 Benchmark]: Boogie Preprocessor took 95.12 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,010 INFO L168 Benchmark]: RCFGBuilder took 1086.36 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 199.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,011 INFO L168 Benchmark]: TraceAbstraction took 72190.44 ms. Allocated memory was 236.5 MB in the beginning and 897.1 MB in the end (delta: 660.6 MB). Free memory was 198.2 MB in the beginning and 501.9 MB in the end (delta: -303.7 MB). Peak memory consumption was 779.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:59:50,014 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.94 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 173.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.12 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1086.36 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 199.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72190.44 ms. Allocated memory was 236.5 MB in the beginning and 897.1 MB in the end (delta: 660.6 MB). Free memory was 198.2 MB in the beginning and 501.9 MB in the end (delta: -303.7 MB). Peak memory consumption was 779.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && pumpRunning == 0)) || (1 <= pumpRunning && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || \old(waterLevel) == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (1 <= pumpRunning && waterLevel <= 2)) || waterLevel <= 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || waterLevel <= 0) && (\old(waterLevel) == waterLevel || !(\old(waterLevel) <= 0))) && ((((!(\old(waterLevel) <= 2) || waterLevel + 1 <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 31.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1201 SDtfs, 2307 SDslu, 1572 SDs, 0 SdLazy, 6973 SolverSat, 1611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred 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, 440 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1770 PreInvPairs, 2364 NumberOfFragments, 1527 HoareAnnotationTreeSize, 1770 FomulaSimplifications, 2887308 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 64935 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 174946 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...