/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:00:41,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:00:41,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:00:41,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:00:41,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:00:41,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:00:41,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:00:41,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:00:41,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:00:41,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:00:41,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:00:41,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:00:41,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:00:41,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:00:41,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:00:41,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:00:41,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:00:41,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:00:41,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:00:41,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:00:41,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:00:41,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:00:41,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:00:41,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:00:41,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:00:41,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:00:41,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:00:41,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:00:41,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:00:41,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:00:41,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:00:41,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:00:41,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:00:41,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:00:41,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:00:41,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:00:41,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:00:41,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:00:41,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:00:41,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:00:41,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:00:41,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 18:00:41,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:00:41,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:00:41,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:00:41,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:00:41,715 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:00:41,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:00:41,715 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:00:41,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:00:41,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:00:41,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:00:41,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:00:41,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:00:41,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:00:41,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:00:41,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:00:41,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:00:41,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:00:41,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:00:41,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:00:41,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:00:41,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:00:41,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:00:41,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:00:41,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:00:41,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:00:41,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:00:41,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:00:41,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:00:41,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:00:41,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:00:41,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:00:42,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:00:42,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:00:42,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:00:42,018 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:00:42,019 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-12 18:00:42,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc63c8ffb/bfa68841981243239ac95b0a4e7956d5/FLAG0e7abbdde [2020-10-12 18:00:42,596 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:00:42,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-12 18:00:42,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc63c8ffb/bfa68841981243239ac95b0a4e7956d5/FLAG0e7abbdde [2020-10-12 18:00:42,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc63c8ffb/bfa68841981243239ac95b0a4e7956d5 [2020-10-12 18:00:42,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:00:42,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:00:42,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:42,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:00:42,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:00:42,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:42" (1/1) ... [2020-10-12 18:00:42,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e54808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:42, skipping insertion in model container [2020-10-12 18:00:42,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:42" (1/1) ... [2020-10-12 18:00:42,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:00:42,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:00:43,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:43,340 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:00:43,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:43,570 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:00:43,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43 WrapperNode [2020-10-12 18:00:43,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:43,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:00:43,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:00:43,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:00:43,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... [2020-10-12 18:00:43,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:00:43,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:00:43,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:00:43,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:00:43,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:00:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:00:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:00:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:00:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:00:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:00:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:00:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:00:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:00:43,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:00:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:00:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:00:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:00:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:00:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:00:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:00:44,723 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:00:44,724 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:00:44,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:44 BoogieIcfgContainer [2020-10-12 18:00:44,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:00:44,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:00:44,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:00:44,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:00:44,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:00:42" (1/3) ... [2020-10-12 18:00:44,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63828ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:44, skipping insertion in model container [2020-10-12 18:00:44,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:43" (2/3) ... [2020-10-12 18:00:44,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63828ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:44, skipping insertion in model container [2020-10-12 18:00:44,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:44" (3/3) ... [2020-10-12 18:00:44,739 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-10-12 18:00:44,751 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:00:44,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:00:44,774 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:00:44,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:00:44,802 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:00:44,802 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:00:44,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:00:44,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:00:44,803 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:00:44,803 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:00:44,803 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:00:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-10-12 18:00:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 18:00:44,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:44,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:00:44,839 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:44,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2020-10-12 18:00:44,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:44,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648455845] [2020-10-12 18:00:44,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:45,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:48,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:48,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 18:00:48,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:00:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3801 [2020-10-12 18:00:48,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:00:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 18:00:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 18:00:49,477 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:49,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-12 18:00:49,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 18:00:49,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:49,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:49,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:49,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:00:49,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:49,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:49,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:49,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:49,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:00:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:49,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:00:49,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:49,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:00:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:49,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:49,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:49,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:49,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:49,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:49,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 18:00:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:49,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648455845] [2020-10-12 18:00:49,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:49,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:00:49,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669048780] [2020-10-12 18:00:49,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:00:49,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:49,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:00:49,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:00:49,895 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2020-10-12 18:00:50,494 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:51,291 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:51,731 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:52,024 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:52,268 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:53,042 INFO L93 Difference]: Finished difference Result 254 states and 355 transitions. [2020-10-12 18:00:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:53,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 18:00:53,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:53,059 INFO L225 Difference]: With dead ends: 254 [2020-10-12 18:00:53,059 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 18:00:53,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:00:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 18:00:53,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 134. [2020-10-12 18:00:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-12 18:00:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2020-10-12 18:00:53,184 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 167 transitions. Word has length 46 [2020-10-12 18:00:53,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:53,185 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-10-12 18:00:53,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:00:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2020-10-12 18:00:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 18:00:53,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:53,189 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] [2020-10-12 18:00:53,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:00:53,190 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:53,191 INFO L82 PathProgramCache]: Analyzing trace with hash -289162231, now seen corresponding path program 1 times [2020-10-12 18:00:53,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:53,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836468878] [2020-10-12 18:00:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:53,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:53,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:53,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:53,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:53,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 18:00:53,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:00:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-12 18:00:53,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 18:00:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,029 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 18:00:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:54,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:54,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:54,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:54,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:54,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:54,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:54,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:54,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:54,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:54,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 18:00:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:54,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:54,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:54,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:54,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:00:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:54,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:54,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 18:00:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:54,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:00:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:54,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836468878] [2020-10-12 18:00:54,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:54,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 18:00:54,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32467237] [2020-10-12 18:00:54,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:00:54,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:54,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:00:54,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:00:54,243 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. Second operand 8 states. [2020-10-12 18:00:54,632 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:55,431 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:55,705 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:55,924 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:56,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:56,139 INFO L93 Difference]: Finished difference Result 201 states and 262 transitions. [2020-10-12 18:00:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:56,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 18:00:56,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:56,141 INFO L225 Difference]: With dead ends: 201 [2020-10-12 18:00:56,141 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:00:56,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:00:56,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:00:56,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:00:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:00:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:00:56,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-12 18:00:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:56,146 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:00:56,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:00:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:00:56,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:00:56,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:00:56,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:00:57,636 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:57,795 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:57,980 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:58,133 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:58,283 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:58,451 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:58,758 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:59,060 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:59,265 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:59,540 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:59,837 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:01:00,111 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:01:00,256 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:01:00,400 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:01:00,713 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-10-12 18:01:00,896 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:01:01,048 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:01:01,213 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:01:01,514 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:01:01,837 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:01:02,125 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:01:02,291 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:01:02,295 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-12 18:01:02,296 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2020-10-12 18:01:02,297 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2020-10-12 18:01:02,298 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2020-10-12 18:01:02,298 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2020-10-12 18:01:02,298 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-10-12 18:01:02,298 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-10-12 18:01:02,298 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:01:02,298 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-10-12 18:01:02,298 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,298 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-10-12 18:01:02,298 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-10-12 18:01:02,299 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-10-12 18:01:02,299 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-10-12 18:01:02,299 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-10-12 18:01:02,299 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,299 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2020-10-12 18:01:02,299 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,299 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2020-10-12 18:01:02,299 INFO L264 CegarLoopResult]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,300 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-10-12 18:01:02,300 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2020-10-12 18:01:02,300 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-10-12 18:01:02,300 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,300 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,300 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2020-10-12 18:01:02,301 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-10-12 18:01:02,302 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point L705(lines 705 713) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point L693(lines 693 701) no Hoare annotation was computed. [2020-10-12 18:01:02,303 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-12 18:01:02,304 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2020-10-12 18:01:02,305 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2020-10-12 18:01:02,306 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2020-10-12 18:01:02,307 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-12 18:01:02,307 INFO L264 CegarLoopResult]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,307 INFO L271 CegarLoopResult]: At program point L576-2(lines 570 581) the Hoare annotation is: true [2020-10-12 18:01:02,307 INFO L268 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2020-10-12 18:01:02,307 INFO L268 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-10-12 18:01:02,307 INFO L268 CegarLoopResult]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2020-10-12 18:01:02,307 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-12 18:01:02,307 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-10-12 18:01:02,308 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-10-12 18:01:02,308 INFO L271 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: true [2020-10-12 18:01:02,308 INFO L271 CegarLoopResult]: At program point L583(lines 540 585) the Hoare annotation is: true [2020-10-12 18:01:02,308 INFO L268 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2020-10-12 18:01:02,308 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2020-10-12 18:01:02,308 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-10-12 18:01:02,308 INFO L271 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: true [2020-10-12 18:01:02,308 INFO L268 CegarLoopResult]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2020-10-12 18:01:02,309 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-12 18:01:02,310 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-12 18:01:02,311 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2020-10-12 18:01:02,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.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~string64.base| |old(#t~string64.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~string60.offset| |old(#t~string60.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.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)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.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~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-10-12 18:01:02,313 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-10-12 18:01:02,314 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2020-10-12 18:01:02,315 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point L605(lines 604 623) no Hoare annotation was computed. [2020-10-12 18:01:02,315 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,315 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2020-10-12 18:01:02,316 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2020-10-12 18:01:02,316 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,316 INFO L264 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,316 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,316 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2020-10-12 18:01:02,316 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-10-12 18:01:02,316 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,316 INFO L271 CegarLoopResult]: At program point L787(lines 762 791) the Hoare annotation is: true [2020-10-12 18:01:02,317 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-10-12 18:01:02,317 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-12 18:01:02,317 INFO L264 CegarLoopResult]: At program point L776-1(lines 776 780) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,317 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-10-12 18:01:02,317 INFO L264 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,317 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2020-10-12 18:01:02,317 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-10-12 18:01:02,318 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-10-12 18:01:02,318 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2020-10-12 18:01:02,319 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:01:02,319 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-10-12 18:01:02,319 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-10-12 18:01:02,319 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-10-12 18:01:02,319 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-10-12 18:01:02,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:01:02 BoogieIcfgContainer [2020-10-12 18:01:02,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:01:02,338 INFO L168 Benchmark]: Toolchain (without parser) took 19427.30 ms. Allocated memory was 139.5 MB in the beginning and 574.1 MB in the end (delta: 434.6 MB). Free memory was 101.8 MB in the beginning and 498.4 MB in the end (delta: -396.6 MB). Peak memory consumption was 407.9 MB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,339 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.18 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 172.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,341 INFO L168 Benchmark]: Boogie Preprocessor took 103.49 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,342 INFO L168 Benchmark]: RCFGBuilder took 1054.42 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.5 MB in the beginning and 203.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,343 INFO L168 Benchmark]: TraceAbstraction took 17605.51 ms. Allocated memory was 236.5 MB in the beginning and 574.1 MB in the end (delta: 337.6 MB). Free memory was 203.5 MB in the beginning and 498.4 MB in the end (delta: -294.9 MB). Peak memory consumption was 412.5 MB. Max. memory is 7.1 GB. [2020-10-12 18:01:02,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.18 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 172.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.49 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1054.42 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.5 MB in the beginning and 203.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17605.51 ms. Allocated memory was 236.5 MB in the beginning and 574.1 MB in the end (delta: 337.6 MB). Free memory was 203.5 MB in the beginning and 498.4 MB in the end (delta: -294.9 MB). Peak memory consumption was 412.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: \old(waterLevel) == waterLevel || !(pumpRunning == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 264 SDslu, 217 SDs, 0 SdLazy, 768 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 144 PreInvPairs, 187 NumberOfFragments, 426 HoareAnnotationTreeSize, 144 FomulaSimplifications, 2885 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7735 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 27850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...