/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=NARROWEST --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_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:49:32,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:49:32,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:49:32,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:49:32,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:49:32,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:49:32,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:49:32,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:49:32,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:49:32,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:49:32,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:49:32,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:49:32,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:49:32,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:49:32,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:49:32,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:49:32,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:49:32,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:49:32,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:49:32,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:49:32,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:49:32,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:49:32,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:49:32,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:49:32,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:49:32,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:49:32,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:49:32,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:49:32,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:49:32,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:49:32,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:49:32,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:49:32,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:49:32,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:49:32,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:49:32,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:49:32,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:49:32,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:49:32,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:49:32,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:49:32,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:49:32,740 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 [2020-10-13 12:49:32,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:49:32,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:49:32,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:49:32,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:49:32,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:49:32,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:49:32,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:49:32,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:49:32,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:49:32,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:49:32,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:49:32,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:49:32,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:49:32,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:49:32,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:49:32,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:49:32,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:49:32,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:49:32,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:49:32,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:49:32,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:49:32,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:49:32,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:49:32,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:49:32,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:49:32,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:49:32,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:49:32,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:49:32,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:49:32,769 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:49:33,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:49:33,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:49:33,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:49:33,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:49:33,129 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:49:33,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-10-13 12:49:33,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1791a6eeb/1771738ae3ca497085e52cf0f3dad042/FLAG9c0368209 [2020-10-13 12:49:33,761 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:49:33,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-10-13 12:49:33,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1791a6eeb/1771738ae3ca497085e52cf0f3dad042/FLAG9c0368209 [2020-10-13 12:49:34,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1791a6eeb/1771738ae3ca497085e52cf0f3dad042 [2020-10-13 12:49:34,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:49:34,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:49:34,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:49:34,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:49:34,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:49:34,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1e51c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34, skipping insertion in model container [2020-10-13 12:49:34,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:49:34,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:49:34,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:49:34,552 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:49:34,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:49:34,713 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:49:34,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34 WrapperNode [2020-10-13 12:49:34,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:49:34,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:49:34,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:49:34,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:49:34,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (1/1) ... [2020-10-13 12:49:34,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:49:34,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:49:34,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:49:34,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:49:34,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (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 [2020-10-13 12:49:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:49:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:49:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:49:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:49:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:49:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:49:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:49:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:49:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:49:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:49:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:49:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:49:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:49:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:49:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:49:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:49:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:49:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:49:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:49:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:49:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:49:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:49:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:49:35,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:49:35,985 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:49:35,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:35 BoogieIcfgContainer [2020-10-13 12:49:35,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:49:35,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:49:35,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:49:35,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:49:35,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:49:34" (1/3) ... [2020-10-13 12:49:35,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:49:35, skipping insertion in model container [2020-10-13 12:49:35,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:34" (2/3) ... [2020-10-13 12:49:35,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:49:35, skipping insertion in model container [2020-10-13 12:49:35,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:35" (3/3) ... [2020-10-13 12:49:35,999 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2020-10-13 12:49:36,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:49:36,019 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:49:36,034 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:49:36,058 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:49:36,058 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:49:36,058 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:49:36,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:49:36,059 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:49:36,059 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:49:36,059 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:49:36,059 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:49:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-10-13 12:49:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:49:36,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:36,091 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:36,091 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash -471941416, now seen corresponding path program 1 times [2020-10-13 12:49:36,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:36,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341415134] [2020-10-13 12:49:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:36,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:37,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:38,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:49:41,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:49:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4770 [2020-10-13 12:49:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:49:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:49:41,608 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:49:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:41,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:41,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:41,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:41,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:41,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:49:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:49:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:41,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:41,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:49:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:49:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:41,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:41,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:41,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:41,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:41,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:49:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:49:41,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341415134] [2020-10-13 12:49:41,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:41,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:49:41,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661745299] [2020-10-13 12:49:41,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:49:41,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:41,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:49:41,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:49:41,813 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2020-10-13 12:49:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:42,734 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2020-10-13 12:49:42,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:49:42,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:49:42,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:42,755 INFO L225 Difference]: With dead ends: 226 [2020-10-13 12:49:42,756 INFO L226 Difference]: Without dead ends: 127 [2020-10-13 12:49:42,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:49:42,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-13 12:49:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2020-10-13 12:49:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-13 12:49:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-10-13 12:49:42,908 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2020-10-13 12:49:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:42,909 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-10-13 12:49:42,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:49:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-10-13 12:49:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 12:49:42,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:42,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:49:42,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:49:42,917 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:42,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:42,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1643529997, now seen corresponding path program 1 times [2020-10-13 12:49:42,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:42,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716162171] [2020-10-13 12:49:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:43,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:45,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:45,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:49:45,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:49:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2715 [2020-10-13 12:49:45,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 12:49:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:49:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,027 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 12:49:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:46,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:46,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:46,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:46,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:49:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:49:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:46,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:46,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 12:49:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:46,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:49:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 12:49:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:46,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:46,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:46,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:46,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:46,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:49:46,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:46,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:46,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:46,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:49:46,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:49:46,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716162171] [2020-10-13 12:49:46,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:49:46,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:49:46,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822064266] [2020-10-13 12:49:46,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:49:46,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:46,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:49:46,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:49:46,201 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2020-10-13 12:49:46,735 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:49:47,570 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-13 12:49:48,263 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:49:48,506 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:49:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:48,629 INFO L93 Difference]: Finished difference Result 186 states and 242 transitions. [2020-10-13 12:49:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:49:48,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-13 12:49:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:48,631 INFO L225 Difference]: With dead ends: 186 [2020-10-13 12:49:48,631 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:49:48,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:49:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:49:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:49:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:49:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:49:48,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-13 12:49:48,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:48,636 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:49:48,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:49:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:49:48,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:49:48,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:49:48,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:49:49,598 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:49,764 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:49,936 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:50,106 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:49:50,286 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:50,457 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:50,668 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:50,830 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:50,984 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-13 12:49:51,166 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:49:51,349 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:51,505 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-13 12:49:51,680 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:49:51,850 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-13 12:49:51,982 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:49:52,097 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-13 12:49:52,237 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:49:52,243 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-10-13 12:49:52,244 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-10-13 12:49:52,245 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-10-13 12:49:52,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:49:52,246 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 12:49:52,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-10-13 12:49:52,246 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-13 12:49:52,247 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-10-13 12:49:52,247 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-10-13 12:49:52,247 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-10-13 12:49:52,247 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-10-13 12:49:52,247 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-10-13 12:49:52,247 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 759 766) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-13 12:49:52,247 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 759 766) no Hoare annotation was computed. [2020-10-13 12:49:52,248 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 759 766) no Hoare annotation was computed. [2020-10-13 12:49:52,248 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 767 776) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-13 12:49:52,248 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 767 776) no Hoare annotation was computed. [2020-10-13 12:49:52,248 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 767 776) no Hoare annotation was computed. [2020-10-13 12:49:52,248 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-10-13 12:49:52,248 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,248 INFO L268 CegarLoopResult]: For program point L790(lines 790 796) no Hoare annotation was computed. [2020-10-13 12:49:52,249 INFO L268 CegarLoopResult]: For program point L789(lines 789 799) no Hoare annotation was computed. [2020-10-13 12:49:52,249 INFO L271 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: true [2020-10-13 12:49:52,249 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-10-13 12:49:52,249 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-10-13 12:49:52,249 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 777 805) the Hoare annotation is: true [2020-10-13 12:49:52,249 INFO L268 CegarLoopResult]: For program point L785-1(lines 777 805) no Hoare annotation was computed. [2020-10-13 12:49:52,249 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-10-13 12:49:52,249 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-10-13 12:49:52,250 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 777 805) no Hoare annotation was computed. [2020-10-13 12:49:52,250 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,250 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,250 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,250 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-10-13 12:49:52,250 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-10-13 12:49:52,251 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 12:49:52,251 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-10-13 12:49:52,251 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,251 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,251 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,251 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-10-13 12:49:52,251 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-13 12:49:52,252 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 12:49:52,253 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 674 688) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L264 CegarLoopResult]: At program point L680(line 680) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:49:52,254 INFO L268 CegarLoopResult]: For program point L678(lines 678 684) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 674 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:49:52,254 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 674 688) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 629 637) no Hoare annotation was computed. [2020-10-13 12:49:52,254 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 629 637) the Hoare annotation is: true [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 629 637) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L657(lines 657 665) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 638 673) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 638 673) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L645(lines 645 653) no Hoare annotation was computed. [2020-10-13 12:49:52,255 INFO L268 CegarLoopResult]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 638 673) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-10-13 12:49:52,256 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-10-13 12:49:52,257 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,257 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 618 628) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 618 628) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 618 628) no Hoare annotation was computed. [2020-10-13 12:49:52,258 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 610 617) the Hoare annotation is: true [2020-10-13 12:49:52,258 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 610 617) no Hoare annotation was computed. [2020-10-13 12:49:52,259 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 610 617) no Hoare annotation was computed. [2020-10-13 12:49:52,259 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-13 12:49:52,259 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 595 601) the Hoare annotation is: true [2020-10-13 12:49:52,259 INFO L264 CegarLoopResult]: At program point testENTRY(lines 690 755) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:52,259 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-10-13 12:49:52,259 INFO L268 CegarLoopResult]: For program point testFINAL(lines 690 755) no Hoare annotation was computed. [2020-10-13 12:49:52,259 INFO L264 CegarLoopResult]: At program point L748(lines 699 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,259 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,260 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-10-13 12:49:52,260 INFO L264 CegarLoopResult]: At program point L736-1(lines 730 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,260 INFO L268 CegarLoopResult]: For program point L701(lines 700 747) no Hoare annotation was computed. [2020-10-13 12:49:52,260 INFO L268 CegarLoopResult]: For program point L730(lines 730 743) no Hoare annotation was computed. [2020-10-13 12:49:52,260 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,260 INFO L268 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-10-13 12:49:52,260 INFO L268 CegarLoopResult]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2020-10-13 12:49:52,260 INFO L264 CegarLoopResult]: At program point L745(lines 700 747) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,261 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point testEXIT(lines 690 755) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:49:52,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L862(lines 862 870) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L862-2(lines 862 870) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 854 876) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 854 876) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 854 876) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:49:52,262 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-13 12:49:52,263 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-10-13 12:49:52,264 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-10-13 12:49:52,265 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,265 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#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~string39.base| |old(#t~string39.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)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string68.offset| |old(#t~string68.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~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.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~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:49:52,265 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,265 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 602 609) no Hoare annotation was computed. [2020-10-13 12:49:52,265 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 602 609) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 602 609) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 877 885) the Hoare annotation is: true [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 877 885) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 877 885) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,266 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 833 844) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:49:52,266 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 833 844) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L268 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:49:52,267 INFO L268 CegarLoopResult]: For program point L575(lines 571 593) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L268 CegarLoopResult]: For program point L573(lines 571 593) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 568 594) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:49:52,267 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 568 594) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L271 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: true [2020-10-13 12:49:52,267 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 568 594) no Hoare annotation was computed. [2020-10-13 12:49:52,267 INFO L271 CegarLoopResult]: At program point L582(lines 582 588) the Hoare annotation is: true [2020-10-13 12:49:52,268 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-10-13 12:49:52,268 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:49:52,268 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-10-13 12:49:52,268 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-13 12:49:52,268 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-13 12:49:52,268 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-10-13 12:49:52,268 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-13 12:49:52,268 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-10-13 12:49:52,269 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-10-13 12:49:52,269 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-10-13 12:49:52,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 845 853) no Hoare annotation was computed. [2020-10-13 12:49:52,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 845 853) no Hoare annotation was computed. [2020-10-13 12:49:52,269 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 845 853) no Hoare annotation was computed. [2020-10-13 12:49:52,269 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 809 820) the Hoare annotation is: true [2020-10-13 12:49:52,269 INFO L268 CegarLoopResult]: For program point L813-1(lines 809 820) no Hoare annotation was computed. [2020-10-13 12:49:52,270 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 809 820) no Hoare annotation was computed. [2020-10-13 12:49:52,270 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-10-13 12:49:52,270 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-10-13 12:49:52,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,270 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:49:52,270 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:49:52,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:52,271 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 821 832) no Hoare annotation was computed. [2020-10-13 12:49:52,271 INFO L268 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-10-13 12:49:52,271 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 821 832) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:49:52,271 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:49:52,274 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-13 12:49:52,274 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-13 12:49:52,274 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-13 12:49:52,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:49:52 BoogieIcfgContainer [2020-10-13 12:49:52,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:49:52,290 INFO L168 Benchmark]: Toolchain (without parser) took 18222.03 ms. Allocated memory was 147.8 MB in the beginning and 531.1 MB in the end (delta: 383.3 MB). Free memory was 103.1 MB in the beginning and 290.4 MB in the end (delta: -187.3 MB). Peak memory consumption was 392.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,291 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.81 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 174.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,293 INFO L168 Benchmark]: Boogie Preprocessor took 88.81 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,294 INFO L168 Benchmark]: RCFGBuilder took 1187.50 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 198.9 MB in the end (delta: -28.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,295 INFO L168 Benchmark]: TraceAbstraction took 16296.17 ms. Allocated memory was 234.9 MB in the beginning and 531.1 MB in the end (delta: 296.2 MB). Free memory was 197.5 MB in the beginning and 290.4 MB in the end (delta: -92.9 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:52,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.81 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 174.7 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.81 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1187.50 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 198.9 MB in the end (delta: -28.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16296.17 ms. Allocated memory was 234.9 MB in the beginning and 531.1 MB in the end (delta: 296.2 MB). Free memory was 197.5 MB in the beginning and 290.4 MB in the end (delta: -92.9 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 700]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 193 SDtfs, 206 SDslu, 166 SDs, 0 SdLazy, 458 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, 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, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 139 PreInvPairs, 171 NumberOfFragments, 525 HoareAnnotationTreeSize, 139 FomulaSimplifications, 1167 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 47 FomulaSimplificationsInter, 4840 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 32591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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...