/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_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:31:10,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:31:10,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:31:10,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:31:10,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:31:10,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:31:10,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:31:10,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:31:10,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:31:10,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:31:10,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:31:10,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:31:10,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:31:10,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:31:10,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:31:10,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:31:10,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:31:10,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:31:10,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:31:10,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:31:10,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:31:10,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:31:10,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:31:10,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:31:10,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:31:10,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:31:10,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:31:10,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:31:10,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:31:10,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:31:10,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:31:10,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:31:10,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:31:10,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:31:10,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:31:10,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:31:10,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:31:10,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:31:10,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:31:10,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:31:10,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:31:10,108 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 12:31:10,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:31:10,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:31:10,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:31:10,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:31:10,133 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:31:10,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:31:10,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:31:10,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:31:10,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:31:10,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:31:10,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:31:10,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:31:10,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:31:10,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:31:10,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:31:10,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:31:10,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:31:10,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:31:10,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:31:10,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:31:10,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:31:10,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:10,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:31:10,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:31:10,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:31:10,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:31:10,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:31:10,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:31:10,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:31:10,138 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 12:31:10,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:31:10,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:31:10,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:31:10,461 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:31:10,461 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:31:10,462 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-13 12:31:10,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6aa466f/588c689e18d04028bacdc040a66db708/FLAGf664af4ea [2020-10-13 12:31:11,045 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:31:11,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-13 12:31:11,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6aa466f/588c689e18d04028bacdc040a66db708/FLAGf664af4ea [2020-10-13 12:31:11,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6aa466f/588c689e18d04028bacdc040a66db708 [2020-10-13 12:31:11,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:31:11,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:31:11,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:11,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:31:11,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:31:11,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:11,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11, skipping insertion in model container [2020-10-13 12:31:11,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:11,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:31:11,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:31:11,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:11,856 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:31:11,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:11,961 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:31:11,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11 WrapperNode [2020-10-13 12:31:11,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:11,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:31:11,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:31:11,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:31:11,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:11,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:11,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:11,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:12,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:12,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:12,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (1/1) ... [2020-10-13 12:31:12,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:31:12,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:31:12,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:31:12,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:31:12,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (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 12:31:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:31:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:31:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:31:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:31:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:31:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:31:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:31:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:31:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:31:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:31:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:31:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:31:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:31:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:31:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:31:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:31:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:31:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:31:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:31:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:31:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:31:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:31:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:31:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:31:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:31:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:31:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:31:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:31:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:31:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:31:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:31:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:31:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:31:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:31:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:31:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:31:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:31:13,081 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:31:13,082 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:31:13,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:13 BoogieIcfgContainer [2020-10-13 12:31:13,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:31:13,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:31:13,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:31:13,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:31:13,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:11" (1/3) ... [2020-10-13 12:31:13,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7265e2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:13, skipping insertion in model container [2020-10-13 12:31:13,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:11" (2/3) ... [2020-10-13 12:31:13,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7265e2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:13, skipping insertion in model container [2020-10-13 12:31:13,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:13" (3/3) ... [2020-10-13 12:31:13,095 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-10-13 12:31:13,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:31:13,113 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:31:13,127 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:31:13,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:31:13,152 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:31:13,152 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:31:13,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:31:13,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:31:13,152 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:31:13,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:31:13,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:31:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-13 12:31:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:31:13,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:13,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:13,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:13,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:13,192 INFO L82 PathProgramCache]: Analyzing trace with hash -579503405, now seen corresponding path program 1 times [2020-10-13 12:31:13,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:13,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693166536] [2020-10-13 12:31:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:13,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:14,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:31:18,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:18,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4724 [2020-10-13 12:31:18,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:31:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:31:18,505 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:18,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 12:31:18,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:18,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:18,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:18,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:18,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:18,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:18,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:31:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:18,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:31:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:18,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:18,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:18,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:18,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:18,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:18,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693166536] [2020-10-13 12:31:18,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:18,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:31:18,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151323172] [2020-10-13 12:31:18,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:31:18,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:18,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:31:18,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:18,659 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-10-13 12:31:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:19,643 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-10-13 12:31:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:31:19,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:31:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:19,658 INFO L225 Difference]: With dead ends: 256 [2020-10-13 12:31:19,658 INFO L226 Difference]: Without dead ends: 139 [2020-10-13 12:31:19,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-13 12:31:19,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-10-13 12:31:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-13 12:31:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-10-13 12:31:19,744 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-10-13 12:31:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:19,744 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-10-13 12:31:19,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:31:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-10-13 12:31:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:31:19,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:19,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:19,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:31:19,749 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:19,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:19,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890065, now seen corresponding path program 1 times [2020-10-13 12:31:19,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:19,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47251297] [2020-10-13 12:31:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:19,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:19,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:24,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:24,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:31:24,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:24,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 12:31:24,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:31:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:31:24,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,111 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:25,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:25,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:31:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:31:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:25,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:25,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47251297] [2020-10-13 12:31:25,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:25,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:31:25,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027584360] [2020-10-13 12:31:25,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:31:25,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:25,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:31:25,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:31:25,210 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-10-13 12:31:25,606 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:31:26,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:26,209 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-10-13 12:31:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:31:26,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:31:26,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:26,212 INFO L225 Difference]: With dead ends: 185 [2020-10-13 12:31:26,213 INFO L226 Difference]: Without dead ends: 123 [2020-10-13 12:31:26,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:31:26,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-13 12:31:26,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-10-13 12:31:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-13 12:31:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-10-13 12:31:26,249 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-10-13 12:31:26,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:26,249 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-10-13 12:31:26,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:31:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-10-13 12:31:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:31:26,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:26,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:26,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:31:26,252 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:26,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:26,252 INFO L82 PathProgramCache]: Analyzing trace with hash 370634137, now seen corresponding path program 1 times [2020-10-13 12:31:26,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:26,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215104700] [2020-10-13 12:31:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:26,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:26,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:27,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:31:30,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:31:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4072 [2020-10-13 12:31:30,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:31:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:31:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:31:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:30,628 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:30,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:30,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:30,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:30,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:30,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:30,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:30,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:30,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:30,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:30,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:31:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:30,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:30,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:31:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:30,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:30,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:30,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:30,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:31:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:31:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:30,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215104700] [2020-10-13 12:31:30,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:30,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:31:30,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758105902] [2020-10-13 12:31:30,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:31:30,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:30,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:31:30,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:31:30,775 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2020-10-13 12:31:31,095 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:31:32,108 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-10-13 12:31:32,341 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:32,584 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:32,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:32,683 INFO L93 Difference]: Finished difference Result 166 states and 203 transitions. [2020-10-13 12:31:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:31:32,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:31:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:32,685 INFO L225 Difference]: With dead ends: 166 [2020-10-13 12:31:32,685 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:31:32,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:31:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:31:32,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:31:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:31:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:31:32,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-10-13 12:31:32,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:32,688 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:31:32,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:31:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:31:32,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:31:32,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:31:32,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:31:33,542 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:33,677 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:33,843 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:33,977 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:34,106 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:34,244 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:34,442 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:34,578 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:34,754 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:34,901 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:35,047 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:35,174 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:35,309 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:35,442 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:35,578 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:35,723 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:35,877 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point L540(lines 517 541) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 493 548) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point L524-1(lines 524 528) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 493 548) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 539) no Hoare annotation was computed. [2020-10-13 12:31:35,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 493 548) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L575-2(lines 575 600) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L601(lines 574 602) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 549 608) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 549 608) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 549 608) no Hoare annotation was computed. [2020-10-13 12:31:35,930 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-10-13 12:31:35,931 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2020-10-13 12:31:35,931 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-10-13 12:31:35,931 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-10-13 12:31:35,931 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-10-13 12:31:35,931 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-10-13 12:31:35,931 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-10-13 12:31:35,931 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-10-13 12:31:35,932 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 12:31:35,932 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,932 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,932 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,932 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,932 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-10-13 12:31:35,933 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-10-13 12:31:35,933 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,933 INFO L264 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,933 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-10-13 12:31:35,933 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 12:31:35,933 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 12:31:35,934 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2020-10-13 12:31:35,935 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 301 309) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L271 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: true [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 346 364) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L317(lines 317 325) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2020-10-13 12:31:35,936 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 310 345) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 310 345) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 310 345) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 447 492) no Hoare annotation was computed. [2020-10-13 12:31:35,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 447 492) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 447 492) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 760 805) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point L780(lines 780 787) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 760 805) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point L774(lines 774 794) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 760 805) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 794) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 290 300) no Hoare annotation was computed. [2020-10-13 12:31:35,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 290 300) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 290 300) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point L255-1(line 255) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point L253(lines 253 270) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2020-10-13 12:31:35,939 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,940 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,940 INFO L268 CegarLoopResult]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2020-10-13 12:31:35,940 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:35,940 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:35,940 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2020-10-13 12:31:35,940 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2020-10-13 12:31:35,940 INFO L264 CegarLoopResult]: At program point testENTRY(lines 374 439) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,940 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2020-10-13 12:31:35,940 INFO L264 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-13 12:31:35,941 INFO L264 CegarLoopResult]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-10-13 12:31:35,941 INFO L264 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-10-13 12:31:35,941 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-10-13 12:31:35,941 INFO L264 CegarLoopResult]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,941 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,941 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 714 759) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point L728(lines 728 748) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point L728-1(lines 728 748) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 714 759) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 714 759) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 896 904) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2020-10-13 12:31:35,942 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L640(lines 640 656) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 611 713) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L661(lines 660 680) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-13 12:31:35,943 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L657(lines 657 698) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 611 713) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L699(lines 699 710) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L660-2(lines 660 680) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 611 713) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point L681(lines 659 682) no Hoare annotation was computed. [2020-10-13 12:31:35,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 274 281) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 274 281) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 274 281) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:31:35,945 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:31:35,945 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point L221(lines 220 239) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2020-10-13 12:31:35,946 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2020-10-13 12:31:35,947 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,947 INFO L264 CegarLoopResult]: At program point L228(lines 228 234) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:35,947 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-10-13 12:31:35,947 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-10-13 12:31:35,947 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:31:35,947 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-10-13 12:31:35,947 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 12:31:35,948 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-10-13 12:31:35,948 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-10-13 12:31:35,948 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-10-13 12:31:35,948 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-10-13 12:31:35,948 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 12:31:35,948 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2020-10-13 12:31:35,948 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-10-13 12:31:35,948 INFO L268 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-10-13 12:31:35,949 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-10-13 12:31:35,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-10-13 12:31:35,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,949 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:31:35,949 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:31:35,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:35,949 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2020-10-13 12:31:35,949 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 365 372) no Hoare annotation was computed. [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2020-10-13 12:31:35,950 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 807 814) no Hoare annotation was computed. [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-10-13 12:31:35,950 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2020-10-13 12:31:35,950 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2020-10-13 12:31:35,951 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-10-13 12:31:35,951 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:31:35,951 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-10-13 12:31:35,951 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-10-13 12:31:35,951 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-10-13 12:31:35,951 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-10-13 12:31:35,951 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-10-13 12:31:35,951 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-10-13 12:31:35,952 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-10-13 12:31:35,952 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-10-13 12:31:35,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:31:35 BoogieIcfgContainer [2020-10-13 12:31:35,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:31:35,969 INFO L168 Benchmark]: Toolchain (without parser) took 24616.46 ms. Allocated memory was 147.3 MB in the beginning and 637.5 MB in the end (delta: 490.2 MB). Free memory was 102.0 MB in the beginning and 172.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 499.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:35,970 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:31:35,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.40 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.8 MB in the beginning and 171.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:35,972 INFO L168 Benchmark]: Boogie Preprocessor took 87.57 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 166.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:35,973 INFO L168 Benchmark]: RCFGBuilder took 1036.01 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 195.9 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:35,974 INFO L168 Benchmark]: TraceAbstraction took 22879.36 ms. Allocated memory was 234.9 MB in the beginning and 637.5 MB in the end (delta: 402.7 MB). Free memory was 195.9 MB in the beginning and 172.5 MB in the end (delta: 23.3 MB). Peak memory consumption was 505.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:35,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.40 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.8 MB in the beginning and 171.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.57 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 166.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1036.01 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 195.9 MB in the end (delta: -29.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22879.36 ms. Allocated memory was 234.9 MB in the beginning and 637.5 MB in the end (delta: 402.7 MB). Free memory was 195.9 MB in the beginning and 172.5 MB in the end (delta: 23.3 MB). Peak memory consumption was 505.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 268 SDslu, 103 SDs, 0 SdLazy, 507 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 144 PreInvPairs, 160 NumberOfFragments, 513 HoareAnnotationTreeSize, 144 FomulaSimplifications, 2835 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 4762 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 34442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...