/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:55:39,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:55:39,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:55:39,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:55:39,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:55:40,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:55:40,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:55:40,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:55:40,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:55:40,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:55:40,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:55:40,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:55:40,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:55:40,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:55:40,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:55:40,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:55:40,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:55:40,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:55:40,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:55:40,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:55:40,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:55:40,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:55:40,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:55:40,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:55:40,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:55:40,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:55:40,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:55:40,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:55:40,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:55:40,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:55:40,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:55:40,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:55:40,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:55:40,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:55:40,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:55:40,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:55:40,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:55:40,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:55:40,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:55:40,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:55:40,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:55:40,075 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 [2020-08-18 11:55:40,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:55:40,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:55:40,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:55:40,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:55:40,115 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:55:40,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:55:40,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:55:40,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:55:40,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:55:40,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:55:40,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:55:40,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:55:40,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:55:40,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:55:40,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:55:40,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:55:40,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:55:40,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:55:40,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:55:40,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:55:40,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:55:40,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:55:40,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:55:40,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:55:40,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:55:40,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:55:40,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:55:40,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:55:40,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:55:40,123 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:55:40,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:55:40,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:55:40,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:55:40,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:55:40,443 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:55:40,444 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-08-18 11:55:40,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297b2eaa0/63bb9b411b574b4480cd96cb5f9cfe1d/FLAGf15ffb82b [2020-08-18 11:55:41,017 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:55:41,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-08-18 11:55:41,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297b2eaa0/63bb9b411b574b4480cd96cb5f9cfe1d/FLAGf15ffb82b [2020-08-18 11:55:41,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297b2eaa0/63bb9b411b574b4480cd96cb5f9cfe1d [2020-08-18 11:55:41,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:55:41,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:55:41,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:55:41,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:55:41,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:55:41,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:41,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1694a7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41, skipping insertion in model container [2020-08-18 11:55:41,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:41,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:55:41,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:55:41,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:55:41,808 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:55:41,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:55:41,974 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:55:41,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41 WrapperNode [2020-08-18 11:55:41,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:55:41,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:55:41,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:55:41,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:55:41,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:41,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (1/1) ... [2020-08-18 11:55:42,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:55:42,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:55:42,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:55:42,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:55:42,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (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 [2020-08-18 11:55:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:55:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:55:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:55:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:55:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:55:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:55:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:55:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:55:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:55:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:55:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:55:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:55:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:55:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:55:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:55:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:55:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:55:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:55:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:55:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:55:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:55:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:55:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:55:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:55:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:55:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:55:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:55:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:55:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:55:43,407 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:55:43,408 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:55:43,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:55:43 BoogieIcfgContainer [2020-08-18 11:55:43,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:55:43,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:55:43,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:55:43,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:55:43,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:55:41" (1/3) ... [2020-08-18 11:55:43,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34970c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:55:43, skipping insertion in model container [2020-08-18 11:55:43,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:41" (2/3) ... [2020-08-18 11:55:43,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34970c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:55:43, skipping insertion in model container [2020-08-18 11:55:43,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:55:43" (3/3) ... [2020-08-18 11:55:43,427 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-08-18 11:55:43,438 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:55:43,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:55:43,463 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:55:43,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:55:43,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:55:43,485 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:55:43,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:55:43,486 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:55:43,486 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:55:43,486 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:55:43,486 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:55:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-08-18 11:55:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:55:43,516 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:55:43,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:55:43,518 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:55:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:55:43,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1369653698, now seen corresponding path program 1 times [2020-08-18 11:55:43,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:55:43,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860751442] [2020-08-18 11:55:43,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:55:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,227 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:44,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:55:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:55:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:55:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:55:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:55:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:55:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:55:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:55:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:55:44,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860751442] [2020-08-18 11:55:44,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:55:44,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:55:44,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457418206] [2020-08-18 11:55:44,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:55:44,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:55:44,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:55:44,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:55:44,427 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 4 states. [2020-08-18 11:55:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:55:45,236 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-08-18 11:55:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 11:55:45,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 11:55:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:55:45,251 INFO L225 Difference]: With dead ends: 198 [2020-08-18 11:55:45,252 INFO L226 Difference]: Without dead ends: 113 [2020-08-18 11:55:45,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:55:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-18 11:55:45,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-08-18 11:55:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-18 11:55:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-08-18 11:55:45,336 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-08-18 11:55:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:55:45,337 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-08-18 11:55:45,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:55:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-08-18 11:55:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 11:55:45,340 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:55:45,341 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] [2020-08-18 11:55:45,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:55:45,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:55:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:55:45,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2015305249, now seen corresponding path program 1 times [2020-08-18 11:55:45,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:55:45,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343770598] [2020-08-18 11:55:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:55:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,680 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:55:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:55:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:55:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:55:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:55:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:55:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:55:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:55:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:55:45,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343770598] [2020-08-18 11:55:45,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:55:45,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:55:45,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375199175] [2020-08-18 11:55:45,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:55:45,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:55:45,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:55:45,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:55:45,737 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-08-18 11:55:46,199 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:55:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:55:46,713 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2020-08-18 11:55:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:55:46,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 11:55:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:55:46,719 INFO L225 Difference]: With dead ends: 143 [2020-08-18 11:55:46,719 INFO L226 Difference]: Without dead ends: 103 [2020-08-18 11:55:46,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:55:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-18 11:55:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-08-18 11:55:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-18 11:55:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-08-18 11:55:46,756 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-08-18 11:55:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:55:46,757 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-08-18 11:55:46,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:55:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-08-18 11:55:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 11:55:46,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:55:46,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:55:46,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:55:46,760 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:55:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:55:46,760 INFO L82 PathProgramCache]: Analyzing trace with hash 2024373040, now seen corresponding path program 1 times [2020-08-18 11:55:46,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:55:46,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313846160] [2020-08-18 11:55:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:55:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,144 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:47,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:55:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:55:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:55:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:55:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:55:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:55:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:55:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 11:55:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:55:47,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313846160] [2020-08-18 11:55:47,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:55:47,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:55:47,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738798269] [2020-08-18 11:55:47,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:55:47,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:55:47,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:55:47,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:55:47,259 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 9 states. [2020-08-18 11:55:47,660 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:55:47,997 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:48,250 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:48,474 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:55:49,263 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2020-08-18 11:55:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:55:49,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 11:55:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:55:49,266 INFO L225 Difference]: With dead ends: 152 [2020-08-18 11:55:49,267 INFO L226 Difference]: Without dead ends: 103 [2020-08-18 11:55:49,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:55:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-18 11:55:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-08-18 11:55:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-18 11:55:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-08-18 11:55:49,309 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-08-18 11:55:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:55:49,311 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-08-18 11:55:49,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:55:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-08-18 11:55:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 11:55:49,316 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:55:49,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:55:49,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:55:49,317 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:55:49,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:55:49,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1738741033, now seen corresponding path program 1 times [2020-08-18 11:55:49,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:55:49,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419067922] [2020-08-18 11:55:49,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:55:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,644 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:55:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:55:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:55:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:55:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:55:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:55:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 11:55:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 11:55:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 11:55:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:55:49,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419067922] [2020-08-18 11:55:49,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:55:49,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 11:55:49,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289185414] [2020-08-18 11:55:49,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:55:49,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:55:49,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:55:49,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:55:49,739 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-08-18 11:55:50,136 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:55:50,911 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:51,186 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:51,421 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:51,638 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:55:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:55:52,035 INFO L93 Difference]: Finished difference Result 204 states and 263 transitions. [2020-08-18 11:55:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:55:52,036 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 11:55:52,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:55:52,039 INFO L225 Difference]: With dead ends: 204 [2020-08-18 11:55:52,039 INFO L226 Difference]: Without dead ends: 155 [2020-08-18 11:55:52,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-18 11:55:52,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-08-18 11:55:52,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 116. [2020-08-18 11:55:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-18 11:55:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-08-18 11:55:52,072 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-08-18 11:55:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:55:52,073 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-08-18 11:55:52,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:55:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-08-18 11:55:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 11:55:52,074 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:55:52,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:55:52,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:55:52,075 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:55:52,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:55:52,075 INFO L82 PathProgramCache]: Analyzing trace with hash -822748467, now seen corresponding path program 1 times [2020-08-18 11:55:52,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:55:52,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060293941] [2020-08-18 11:55:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:55:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,354 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:55:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:55:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:55:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:55:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:55:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:55:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 11:55:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:55:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 11:55:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 11:55:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:55:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:55:52,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060293941] [2020-08-18 11:55:52,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:55:52,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:55:52,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307001926] [2020-08-18 11:55:52,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:55:52,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:55:52,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:55:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:55:52,481 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 9 states. [2020-08-18 11:55:52,908 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:55:53,670 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:53,926 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:54,166 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:55:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:55:54,360 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2020-08-18 11:55:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 11:55:54,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 11:55:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:55:54,361 INFO L225 Difference]: With dead ends: 233 [2020-08-18 11:55:54,361 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:55:54,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-18 11:55:54,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:55:54,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:55:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:55:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:55:54,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 11:55:54,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:55:54,365 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:55:54,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:55:54,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:55:54,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:55:54,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:55:54,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:55:54,513 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 201 [2020-08-18 11:55:56,333 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:55:56,548 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:55:56,715 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:55:57,037 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-18 11:55:57,206 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 11:55:57,532 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-18 11:55:57,698 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:55:57,912 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:55:58,278 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:55:58,466 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:55:58,662 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:55:58,827 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 11:55:59,145 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-18 11:55:59,338 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:55:59,663 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 11:55:59,845 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:56:00,178 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:00,355 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:56:00,678 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:00,843 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-18 11:56:00,847 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 11:56:00,847 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-08-18 11:56:00,847 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-08-18 11:56:00,848 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-08-18 11:56:00,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-08-18 11:56:00,850 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 11:56:00,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-08-18 11:56:00,850 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-18 11:56:00,850 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2020-08-18 11:56:00,851 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2020-08-18 11:56:00,851 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2020-08-18 11:56:00,851 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2020-08-18 11:56:00,851 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2020-08-18 11:56:00,851 INFO L264 CegarLoopResult]: At program point L738-1(line 738) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,852 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 732 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,852 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 732 754) no Hoare annotation was computed. [2020-08-18 11:56:00,852 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 732 754) no Hoare annotation was computed. [2020-08-18 11:56:00,852 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,853 INFO L264 CegarLoopResult]: At program point L744-1(line 744) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,853 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-08-18 11:56:00,853 INFO L268 CegarLoopResult]: For program point L742-1(lines 742 749) no Hoare annotation was computed. [2020-08-18 11:56:00,853 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-08-18 11:56:00,853 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,853 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,853 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-18 11:56:00,853 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 687 710) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 687 710) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 687 710) no Hoare annotation was computed. [2020-08-18 11:56:00,854 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 526 533) no Hoare annotation was computed. [2020-08-18 11:56:00,855 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 526 533) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 526 533) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 571 579) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 571 579) the Hoare annotation is: true [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 571 579) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point L599(lines 599 607) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 607) no Hoare annotation was computed. [2020-08-18 11:56:00,856 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 580 615) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point L587(lines 587 595) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 580 615) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 580 615) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-08-18 11:56:00,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 718 728) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 718 728) no Hoare annotation was computed. [2020-08-18 11:56:00,858 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 718 728) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 560 570) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 560 570) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 560 570) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 552 559) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 552 559) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 552 559) no Hoare annotation was computed. [2020-08-18 11:56:00,859 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 519 525) no Hoare annotation was computed. [2020-08-18 11:56:00,860 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 519 525) the Hoare annotation is: true [2020-08-18 11:56:00,860 INFO L264 CegarLoopResult]: At program point testENTRY(lines 419 482) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,860 INFO L264 CegarLoopResult]: At program point L475(lines 428 476) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:00,860 INFO L268 CegarLoopResult]: For program point testFINAL(lines 419 482) no Hoare annotation was computed. [2020-08-18 11:56:00,860 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-08-18 11:56:00,860 INFO L264 CegarLoopResult]: At program point L465-2(lines 459 470) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 11:56:00,860 INFO L268 CegarLoopResult]: For program point L430(lines 429 474) no Hoare annotation was computed. [2020-08-18 11:56:00,860 INFO L268 CegarLoopResult]: For program point L459(lines 459 470) no Hoare annotation was computed. [2020-08-18 11:56:00,860 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 11:56:00,861 INFO L268 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-08-18 11:56:00,861 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2020-08-18 11:56:00,861 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 11:56:00,861 INFO L264 CegarLoopResult]: At program point L472(lines 429 474) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 11:56:00,861 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-08-18 11:56:00,861 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2020-08-18 11:56:00,861 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point testEXIT(lines 419 482) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-08-18 11:56:00,862 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-08-18 11:56:00,863 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,863 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-08-18 11:56:00,863 INFO L268 CegarLoopResult]: For program point L638(lines 638 648) no Hoare annotation was computed. [2020-08-18 11:56:00,863 INFO L264 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 11:56:00,863 INFO L268 CegarLoopResult]: For program point L636-1(line 636) no Hoare annotation was computed. [2020-08-18 11:56:00,863 INFO L268 CegarLoopResult]: For program point L634(lines 634 651) no Hoare annotation was computed. [2020-08-18 11:56:00,863 INFO L268 CegarLoopResult]: For program point L634-1(lines 626 654) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point L632-1(line 632) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 626 654) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 626 654) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point L812(lines 812 820) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 820) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 804 826) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 804 826) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 804 826) no Hoare annotation was computed. [2020-08-18 11:56:00,864 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 618 625) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 618 625) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 618 625) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-08-18 11:56:00,865 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2020-08-18 11:56:00,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,867 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 11:56:00,867 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,867 INFO L268 CegarLoopResult]: For program point L546-1(lines 535 551) no Hoare annotation was computed. [2020-08-18 11:56:00,867 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-08-18 11:56:00,867 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 535 551) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 535 551) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 827 835) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 827 835) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 827 835) no Hoare annotation was computed. [2020-08-18 11:56:00,868 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,869 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,869 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,869 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 783 794) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:00,869 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 783 794) no Hoare annotation was computed. [2020-08-18 11:56:00,869 INFO L268 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-08-18 11:56:00,869 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,869 INFO L264 CegarLoopResult]: At program point L506(lines 506 512) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,870 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,870 INFO L268 CegarLoopResult]: For program point L499(lines 498 517) no Hoare annotation was computed. [2020-08-18 11:56:00,870 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 495 518) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,870 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 495 518) no Hoare annotation was computed. [2020-08-18 11:56:00,870 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 495 518) no Hoare annotation was computed. [2020-08-18 11:56:00,870 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 657 686) no Hoare annotation was computed. [2020-08-18 11:56:00,871 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-08-18 11:56:00,871 INFO L271 CegarLoopResult]: At program point L671-1(lines 671 675) the Hoare annotation is: true [2020-08-18 11:56:00,871 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 657 686) the Hoare annotation is: true [2020-08-18 11:56:00,871 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-18 11:56:00,871 INFO L271 CegarLoopResult]: At program point L667-2(lines 667 681) the Hoare annotation is: true [2020-08-18 11:56:00,871 INFO L271 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: true [2020-08-18 11:56:00,871 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-08-18 11:56:00,871 INFO L271 CegarLoopResult]: At program point L682(lines 657 686) the Hoare annotation is: true [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-08-18 11:56:00,872 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 795 803) the Hoare annotation is: true [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 795 803) no Hoare annotation was computed. [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 795 803) no Hoare annotation was computed. [2020-08-18 11:56:00,872 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 759 770) the Hoare annotation is: true [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point L763-1(lines 759 770) no Hoare annotation was computed. [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 759 770) no Hoare annotation was computed. [2020-08-18 11:56:00,872 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 711 717) no Hoare annotation was computed. [2020-08-18 11:56:00,873 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 711 717) the Hoare annotation is: true [2020-08-18 11:56:00,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,873 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 11:56:00,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:56:00,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:00,873 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 771 782) no Hoare annotation was computed. [2020-08-18 11:56:00,873 INFO L268 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-08-18 11:56:00,873 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 771 782) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:00,874 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 11:56:00,874 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 11:56:00,874 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 11:56:00,874 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 11:56:00,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:00 BoogieIcfgContainer [2020-08-18 11:56:00,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:56:00,893 INFO L168 Benchmark]: Toolchain (without parser) took 19600.05 ms. Allocated memory was 139.5 MB in the beginning and 574.6 MB in the end (delta: 435.2 MB). Free memory was 101.7 MB in the beginning and 207.1 MB in the end (delta: -105.3 MB). Peak memory consumption was 409.5 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,894 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.71 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 174.0 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,896 INFO L168 Benchmark]: Boogie Preprocessor took 98.33 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,897 INFO L168 Benchmark]: RCFGBuilder took 1341.77 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 203.8 MB in the end (delta: -34.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,898 INFO L168 Benchmark]: TraceAbstraction took 17472.64 ms. Allocated memory was 235.9 MB in the beginning and 574.6 MB in the end (delta: 338.7 MB). Free memory was 202.4 MB in the beginning and 207.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 413.6 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:00,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.71 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 174.0 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.33 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1341.77 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 203.8 MB in the end (delta: -34.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17472.64 ms. Allocated memory was 235.9 MB in the beginning and 574.6 MB in the end (delta: 338.7 MB). Free memory was 202.4 MB in the beginning and 207.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 413.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 358 SDtfs, 555 SDslu, 347 SDs, 0 SdLazy, 1335 SolverSat, 365 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 176 PreInvPairs, 208 NumberOfFragments, 651 HoareAnnotationTreeSize, 176 FomulaSimplifications, 68900 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7384 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...