/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:36:48,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:36:48,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:36:48,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:36:48,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:36:48,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:36:48,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:36:48,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:36:48,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:36:48,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:36:48,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:36:48,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:36:48,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:36:48,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:36:48,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:36:48,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:36:48,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:36:48,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:36:48,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:36:48,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:36:48,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:36:48,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:36:48,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:36:48,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:36:48,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:36:48,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:36:48,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:36:48,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:36:48,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:36:48,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:36:48,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:36:48,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:36:48,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:36:48,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:36:48,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:36:48,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:36:48,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:36:48,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:36:48,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:36:48,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:36:48,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:36:48,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:36:48,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:36:48,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:36:48,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:36:48,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:36:48,819 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:36:48,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:36:48,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:36:48,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:36:48,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:36:48,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:36:48,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:36:48,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:36:48,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:36:48,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:36:48,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:36:48,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:36:48,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:36:48,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:36:48,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:36:48,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:36:48,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:36:48,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:36:48,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:36:48,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:36:48,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:36:49,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:36:49,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:36:49,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:36:49,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:36:49,144 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:36:49,145 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-10-15 01:36:49,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a201cbaf1/b5fac6957f51487783223bdac417fea1/FLAGcbec58752 [2020-10-15 01:36:49,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:36:49,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-10-15 01:36:49,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a201cbaf1/b5fac6957f51487783223bdac417fea1/FLAGcbec58752 [2020-10-15 01:36:50,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a201cbaf1/b5fac6957f51487783223bdac417fea1 [2020-10-15 01:36:50,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:36:50,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:36:50,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:50,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:36:50,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:36:50,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16606ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50, skipping insertion in model container [2020-10-15 01:36:50,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:36:50,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:36:50,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:50,551 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:36:50,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:50,660 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:36:50,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50 WrapperNode [2020-10-15 01:36:50,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:50,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:36:50,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:36:50,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:36:50,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... [2020-10-15 01:36:50,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:36:50,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:36:50,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:36:50,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:36:50,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:36:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:36:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:36:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:36:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:36:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:36:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:36:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:36:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:36:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:36:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:36:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:36:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:36:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:36:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:36:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:36:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:36:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:36:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:36:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:36:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:36:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:36:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:36:51,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:36:51,897 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:36:51,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:51 BoogieIcfgContainer [2020-10-15 01:36:51,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:36:51,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:36:51,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:36:51,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:36:51,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:36:50" (1/3) ... [2020-10-15 01:36:51,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:51, skipping insertion in model container [2020-10-15 01:36:51,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:50" (2/3) ... [2020-10-15 01:36:51,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:51, skipping insertion in model container [2020-10-15 01:36:51,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:51" (3/3) ... [2020-10-15 01:36:51,916 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-10-15 01:36:51,927 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:36:51,935 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:36:51,949 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:36:51,972 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:36:51,972 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:36:51,972 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:36:51,973 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:36:51,973 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:36:51,973 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:36:51,973 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:36:51,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:36:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-15 01:36:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:36:52,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:36:52,006 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] [2020-10-15 01:36:52,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:36:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:36:52,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1193827288, now seen corresponding path program 1 times [2020-10-15 01:36:52,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:36:52,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954667218] [2020-10-15 01:36:52,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:36:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:52,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:52,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:53,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:53,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:36:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:36:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 01:36:57,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:36:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:57,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:36:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-15 01:36:57,772 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:36:57,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:36:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:57,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 01:36:57,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:36:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:36:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:57,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:57,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:36:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:57,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:57,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:36:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:36:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:36:57,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:36:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:57,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:57,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:36:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:57,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:57,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:36:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:57,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:57,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:57,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:57,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:57,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:57,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:36:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:36:58,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954667218] [2020-10-15 01:36:58,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:36:58,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:36:58,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795231324] [2020-10-15 01:36:58,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:36:58,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:36:58,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:36:58,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:36:58,049 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 5 states. [2020-10-15 01:36:58,502 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:00,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:00,049 INFO L93 Difference]: Finished difference Result 368 states and 491 transitions. [2020-10-15 01:37:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:37:00,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-15 01:37:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:00,067 INFO L225 Difference]: With dead ends: 368 [2020-10-15 01:37:00,068 INFO L226 Difference]: Without dead ends: 243 [2020-10-15 01:37:00,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:37:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-15 01:37:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 196. [2020-10-15 01:37:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-15 01:37:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 237 transitions. [2020-10-15 01:37:00,205 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 237 transitions. Word has length 51 [2020-10-15 01:37:00,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:00,206 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 237 transitions. [2020-10-15 01:37:00,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:37:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2020-10-15 01:37:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 01:37:00,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:00,219 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] [2020-10-15 01:37:00,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:37:00,219 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:00,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:00,220 INFO L82 PathProgramCache]: Analyzing trace with hash 633465871, now seen corresponding path program 1 times [2020-10-15 01:37:00,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:00,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811702709] [2020-10-15 01:37:00,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 01:37:05,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:37:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-15 01:37:05,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:37:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 01:37:05,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,654 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:05,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 01:37:05,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:05,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:05,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:05,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:05,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:37:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:05,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:05,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:05,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 01:37:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:37:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:05,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:37:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:05,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:37:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:05,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:05,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:05,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:05,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:05,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811702709] [2020-10-15 01:37:05,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:05,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:37:05,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756360174] [2020-10-15 01:37:05,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:05,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:05,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:05,884 INFO L87 Difference]: Start difference. First operand 196 states and 237 transitions. Second operand 9 states. [2020-10-15 01:37:06,305 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:07,560 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:07,902 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:08,202 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:08,553 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:09,675 INFO L93 Difference]: Finished difference Result 684 states and 956 transitions. [2020-10-15 01:37:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:09,677 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-15 01:37:09,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:09,685 INFO L225 Difference]: With dead ends: 684 [2020-10-15 01:37:09,685 INFO L226 Difference]: Without dead ends: 483 [2020-10-15 01:37:09,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:37:09,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-15 01:37:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 329. [2020-10-15 01:37:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-15 01:37:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 400 transitions. [2020-10-15 01:37:09,797 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 400 transitions. Word has length 60 [2020-10-15 01:37:09,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:09,798 INFO L479 AbstractCegarLoop]: Abstraction has 329 states and 400 transitions. [2020-10-15 01:37:09,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 400 transitions. [2020-10-15 01:37:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 01:37:09,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:09,801 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] [2020-10-15 01:37:09,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:37:09,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:09,802 INFO L82 PathProgramCache]: Analyzing trace with hash 933153277, now seen corresponding path program 1 times [2020-10-15 01:37:09,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:09,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184720062] [2020-10-15 01:37:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:09,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:10,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:11,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:37:13,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3619 [2020-10-15 01:37:13,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:37:13,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 01:37:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:13,785 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 01:37:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:13,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:13,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:13,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:13,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:13,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:13,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:13,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:13,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:13,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:13,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:13,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:13,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:13,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:37:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:13,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:37:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:37:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:13,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:13,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:37:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:14,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:14,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184720062] [2020-10-15 01:37:14,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:14,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:37:14,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048195320] [2020-10-15 01:37:14,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:37:14,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:14,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:37:14,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:37:14,035 INFO L87 Difference]: Start difference. First operand 329 states and 400 transitions. Second operand 11 states. [2020-10-15 01:37:14,400 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:15,682 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-15 01:37:15,954 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:16,231 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:37:16,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:16,581 INFO L93 Difference]: Finished difference Result 599 states and 789 transitions. [2020-10-15 01:37:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:16,582 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 01:37:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:16,582 INFO L225 Difference]: With dead ends: 599 [2020-10-15 01:37:16,583 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:37:16,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:37:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:37:16,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:37:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:37:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:37:16,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-15 01:37:16,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:16,587 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:37:16,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:37:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:37:16,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:37:16,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:37:16,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:37:20,282 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:20,448 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:20,620 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:20,796 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:20,990 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:21,298 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:21,606 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-10-15 01:37:21,807 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:22,273 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:22,420 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-15 01:37:22,741 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-15 01:37:23,076 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:23,246 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:23,442 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:23,754 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:23,947 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:24,151 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-10-15 01:37:24,325 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:24,669 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-15 01:37:24,836 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:24,993 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:25,348 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-15 01:37:25,834 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:26,147 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:26,606 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:26,936 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-10-15 01:37:27,238 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:27,243 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-15 01:37:27,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-15 01:37:27,245 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-15 01:37:27,245 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-15 01:37:27,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-15 01:37:27,245 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-15 01:37:27,245 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-15 01:37:27,246 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-15 01:37:27,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-15 01:37:27,246 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-15 01:37:27,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-15 01:37:27,246 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-15 01:37:27,247 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 732 738) the Hoare annotation is: true [2020-10-15 01:37:27,247 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 732 738) no Hoare annotation was computed. [2020-10-15 01:37:27,247 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 739 747) no Hoare annotation was computed. [2020-10-15 01:37:27,247 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 739 747) the Hoare annotation is: true [2020-10-15 01:37:27,247 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 739 747) no Hoare annotation was computed. [2020-10-15 01:37:27,247 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,248 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,248 INFO L264 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,248 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-10-15 01:37:27,248 INFO L268 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-10-15 01:37:27,248 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-10-15 01:37:27,248 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-15 01:37:27,249 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,249 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,249 INFO L264 CegarLoopResult]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,249 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-10-15 01:37:27,249 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 576 599) no Hoare annotation was computed. [2020-10-15 01:37:27,249 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 576 599) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 576 599) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-15 01:37:27,250 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-15 01:37:27,251 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 920 934) no Hoare annotation was computed. [2020-10-15 01:37:27,252 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:27,252 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-15 01:37:27,252 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 920 934) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-15 01:37:27,252 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 920 934) no Hoare annotation was computed. [2020-10-15 01:37:27,252 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 856 864) no Hoare annotation was computed. [2020-10-15 01:37:27,252 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 856 864) the Hoare annotation is: true [2020-10-15 01:37:27,252 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 856 864) no Hoare annotation was computed. [2020-10-15 01:37:27,252 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L271 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: true [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 901 919) the Hoare annotation is: true [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 901 919) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 901 919) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-10-15 01:37:27,253 INFO L268 CegarLoopResult]: For program point L884(lines 884 892) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point L884-2(lines 884 892) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 865 900) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 865 900) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 865 900) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 725 731) no Hoare annotation was computed. [2020-10-15 01:37:27,254 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 725 731) the Hoare annotation is: true [2020-10-15 01:37:27,254 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-15 01:37:27,255 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-15 01:37:27,256 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-15 01:37:27,256 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-15 01:37:27,257 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 608 618) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,257 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 608 618) no Hoare annotation was computed. [2020-10-15 01:37:27,257 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 608 618) no Hoare annotation was computed. [2020-10-15 01:37:27,257 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,257 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-10-15 01:37:27,257 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 845 855) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 845 855) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 845 855) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 837 844) the Hoare annotation is: true [2020-10-15 01:37:27,258 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 837 844) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 837 844) no Hoare annotation was computed. [2020-10-15 01:37:27,258 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:27,258 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 786 810) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 786 810) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:27,259 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2020-10-15 01:37:27,259 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2020-10-15 01:37:27,259 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 712) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,259 INFO L264 CegarLoopResult]: At program point L702(lines 657 704) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,260 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 712) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L264 CegarLoopResult]: At program point L705(lines 656 706) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,260 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L693(lines 693 699) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L264 CegarLoopResult]: At program point L693-1(lines 687 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L658(lines 657 704) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L268 CegarLoopResult]: For program point L687(lines 687 700) no Hoare annotation was computed. [2020-10-15 01:37:27,260 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 712) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 811 818) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 811 818) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 811 818) no Hoare annotation was computed. [2020-10-15 01:37:27,261 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 533 541) no Hoare annotation was computed. [2020-10-15 01:37:27,262 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 533 541) the Hoare annotation is: true [2020-10-15 01:37:27,262 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 533 541) no Hoare annotation was computed. [2020-10-15 01:37:27,262 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-15 01:37:27,262 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:27,262 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-10-15 01:37:27,262 INFO L268 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2020-10-15 01:37:27,262 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2020-10-15 01:37:27,263 INFO L264 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2020-10-15 01:37:27,263 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:27,263 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point L509(lines 509 517) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 517) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 501 523) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 501 523) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 501 523) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-15 01:37:27,264 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-15 01:37:27,265 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 715 724) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 715 724) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 715 724) no Hoare annotation was computed. [2020-10-15 01:37:27,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point L831-1(lines 820 836) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 836) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-10-15 01:37:27,267 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 836) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 524 532) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 524 532) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 524 532) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,268 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 480 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-15 01:37:27,269 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 480 491) no Hoare annotation was computed. [2020-10-15 01:37:27,269 INFO L268 CegarLoopResult]: For program point L484-1(lines 480 491) no Hoare annotation was computed. [2020-10-15 01:37:27,269 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 492 500) the Hoare annotation is: true [2020-10-15 01:37:27,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 492 500) no Hoare annotation was computed. [2020-10-15 01:37:27,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 492 500) no Hoare annotation was computed. [2020-10-15 01:37:27,269 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1)))) [2020-10-15 01:37:27,269 INFO L264 CegarLoopResult]: At program point L765(lines 765 771) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:27,270 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:27,270 INFO L268 CegarLoopResult]: For program point L758(lines 757 776) no Hoare annotation was computed. [2020-10-15 01:37:27,270 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 754 777) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:27,270 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 754 777) no Hoare annotation was computed. [2020-10-15 01:37:27,270 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 754 777) no Hoare annotation was computed. [2020-10-15 01:37:27,270 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-10-15 01:37:27,271 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:27,271 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-10-15 01:37:27,271 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-15 01:37:27,271 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-10-15 01:37:27,271 INFO L264 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:27,271 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-15 01:37:27,271 INFO L264 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:27,272 INFO L264 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:27,272 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-10-15 01:37:27,272 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 456 467) the Hoare annotation is: true [2020-10-15 01:37:27,272 INFO L268 CegarLoopResult]: For program point L460-1(lines 456 467) no Hoare annotation was computed. [2020-10-15 01:37:27,272 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 456 467) no Hoare annotation was computed. [2020-10-15 01:37:27,272 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 600 606) no Hoare annotation was computed. [2020-10-15 01:37:27,272 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 600 606) the Hoare annotation is: true [2020-10-15 01:37:27,272 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,273 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-15 01:37:27,273 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:37:27,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:27,273 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 468 479) no Hoare annotation was computed. [2020-10-15 01:37:27,273 INFO L268 CegarLoopResult]: For program point L472-1(lines 468 479) no Hoare annotation was computed. [2020-10-15 01:37:27,273 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 468 479) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:27,273 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-10-15 01:37:27,274 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-10-15 01:37:27,274 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-10-15 01:37:27,274 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-10-15 01:37:27,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:37:27 BoogieIcfgContainer [2020-10-15 01:37:27,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:37:27,294 INFO L168 Benchmark]: Toolchain (without parser) took 37241.91 ms. Allocated memory was 147.8 MB in the beginning and 781.2 MB in the end (delta: 633.3 MB). Free memory was 102.6 MB in the beginning and 539.3 MB in the end (delta: -436.7 MB). Peak memory consumption was 644.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,295 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.45 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.6 MB in the beginning and 170.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,296 INFO L168 Benchmark]: Boogie Preprocessor took 85.49 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,297 INFO L168 Benchmark]: RCFGBuilder took 1160.75 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 187.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,298 INFO L168 Benchmark]: TraceAbstraction took 35382.65 ms. Allocated memory was 233.3 MB in the beginning and 781.2 MB in the end (delta: 547.9 MB). Free memory was 187.6 MB in the beginning and 539.3 MB in the end (delta: -351.7 MB). Peak memory consumption was 644.5 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:27,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.45 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.6 MB in the beginning and 170.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.49 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.75 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 187.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35382.65 ms. Allocated memory was 233.3 MB in the beginning and 781.2 MB in the end (delta: 547.9 MB). Free memory was 187.6 MB in the beginning and 539.3 MB in the end (delta: -351.7 MB). Peak memory consumption was 644.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 657]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 876 SDslu, 432 SDs, 0 SdLazy, 1567 SolverSat, 640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 476 PreInvPairs, 611 NumberOfFragments, 861 HoareAnnotationTreeSize, 476 FomulaSimplifications, 52021 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 15570 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 55348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...