/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:16:16,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:16:16,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:16:16,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:16:16,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:16:16,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:16:16,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:16:16,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:16:16,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:16:16,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:16:16,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:16:16,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:16:16,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:16:16,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:16:16,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:16:16,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:16:16,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:16:17,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:16:17,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:16:17,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:16:17,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:16:17,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:16:17,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:16:17,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:16:17,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:16:17,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:16:17,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:16:17,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:16:17,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:16:17,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:16:17,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:16:17,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:16:17,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:16:17,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:16:17,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:16:17,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:16:17,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:16:17,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:16:17,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:16:17,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:16:17,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:16:17,032 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 [2020-08-21 21:16:17,074 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:16:17,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:16:17,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:16:17,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:16:17,077 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:16:17,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:16:17,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:16:17,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:16:17,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:16:17,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:16:17,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:16:17,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:16:17,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:16:17,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:16:17,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:16:17,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:16:17,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:16:17,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:16:17,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:16:17,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:16:17,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:16:17,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:16:17,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:16:17,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:16:17,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:16:17,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:16:17,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:16:17,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:16:17,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:16:17,083 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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:16:17,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:16:17,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:16:17,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:16:17,371 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:16:17,371 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:16:17,372 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-08-21 21:16:17,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b966197f3/f811a9da8e51411abe6a8d2ab3de6110/FLAG439395494 [2020-08-21 21:16:17,954 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:16:17,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-08-21 21:16:17,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b966197f3/f811a9da8e51411abe6a8d2ab3de6110/FLAG439395494 [2020-08-21 21:16:18,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b966197f3/f811a9da8e51411abe6a8d2ab3de6110 [2020-08-21 21:16:18,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:16:18,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:16:18,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:18,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:16:18,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:16:18,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:18" (1/1) ... [2020-08-21 21:16:18,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:18, skipping insertion in model container [2020-08-21 21:16:18,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:18" (1/1) ... [2020-08-21 21:16:18,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:16:18,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:16:18,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:18,894 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:16:18,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:19,006 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:16:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19 WrapperNode [2020-08-21 21:16:19,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:19,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:16:19,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:16:19,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:16:19,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (1/1) ... [2020-08-21 21:16:19,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:16:19,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:16:19,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:16:19,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:16:19,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (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 [2020-08-21 21:16:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:16:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:16:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:16:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:16:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:16:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:16:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:16:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:16:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:16:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:16:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:16:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 21:16:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 21:16:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:16:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:16:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:16:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:16:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:16:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:16:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:16:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:16:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:16:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:16:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 21:16:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:16:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:16:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:16:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:16:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:16:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:16:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:16:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:16:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:16:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:16:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:16:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 21:16:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:16:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:16:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:16:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:16:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:16:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:16:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:16:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:16:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:16:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:16:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:16:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:16:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:16:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:16:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:16:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:16:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:16:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:16:19,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:16:20,293 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:16:20,293 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:16:20,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:20 BoogieIcfgContainer [2020-08-21 21:16:20,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:16:20,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:16:20,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:16:20,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:16:20,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:16:18" (1/3) ... [2020-08-21 21:16:20,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bba05a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:20, skipping insertion in model container [2020-08-21 21:16:20,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:19" (2/3) ... [2020-08-21 21:16:20,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bba05a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:20, skipping insertion in model container [2020-08-21 21:16:20,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:20" (3/3) ... [2020-08-21 21:16:20,307 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2020-08-21 21:16:20,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:16:20,326 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:16:20,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:16:20,364 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:16:20,365 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:16:20,365 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:16:20,365 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:16:20,365 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:16:20,365 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:16:20,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:16:20,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:16:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-21 21:16:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 21:16:20,404 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:20,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:20,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:20,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:20,411 INFO L82 PathProgramCache]: Analyzing trace with hash -578031485, now seen corresponding path program 1 times [2020-08-21 21:16:20,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:20,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310958573] [2020-08-21 21:16:20,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,115 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:16:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:16:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:16:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:21,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310958573] [2020-08-21 21:16:21,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:21,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:16:21,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453812302] [2020-08-21 21:16:21,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:16:21,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:16:21,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:21,317 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-08-21 21:16:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:22,438 INFO L93 Difference]: Finished difference Result 268 states and 349 transitions. [2020-08-21 21:16:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:16:22,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 21:16:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:22,455 INFO L225 Difference]: With dead ends: 268 [2020-08-21 21:16:22,455 INFO L226 Difference]: Without dead ends: 149 [2020-08-21 21:16:22,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:22,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-08-21 21:16:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 120. [2020-08-21 21:16:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-21 21:16:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-08-21 21:16:22,551 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 59 [2020-08-21 21:16:22,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:22,552 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-08-21 21:16:22,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:16:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-08-21 21:16:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:16:22,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:22,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:22,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:16:22,558 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:22,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1225445288, now seen corresponding path program 1 times [2020-08-21 21:16:22,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:22,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732173819] [2020-08-21 21:16:22,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:22,941 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:22,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:16:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 21:16:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:23,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732173819] [2020-08-21 21:16:23,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:23,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:23,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557198123] [2020-08-21 21:16:23,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:23,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:23,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:23,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:23,119 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 9 states. [2020-08-21 21:16:23,497 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:23,861 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:24,159 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:24,417 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:25,459 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:16:26,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:26,869 INFO L93 Difference]: Finished difference Result 411 states and 521 transitions. [2020-08-21 21:16:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:16:26,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 21:16:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:26,878 INFO L225 Difference]: With dead ends: 411 [2020-08-21 21:16:26,878 INFO L226 Difference]: Without dead ends: 319 [2020-08-21 21:16:26,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:16:26,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-08-21 21:16:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 269. [2020-08-21 21:16:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-08-21 21:16:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 332 transitions. [2020-08-21 21:16:27,001 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 332 transitions. Word has length 64 [2020-08-21 21:16:27,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:27,001 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 332 transitions. [2020-08-21 21:16:27,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:16:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 332 transitions. [2020-08-21 21:16:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-21 21:16:27,006 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:27,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:27,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:16:27,012 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:27,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:27,012 INFO L82 PathProgramCache]: Analyzing trace with hash 303889549, now seen corresponding path program 1 times [2020-08-21 21:16:27,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:27,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797465989] [2020-08-21 21:16:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,398 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:27,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:16:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:16:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 21:16:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 21:16:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:16:27,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797465989] [2020-08-21 21:16:27,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:27,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:27,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493219747] [2020-08-21 21:16:27,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:27,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:27,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:27,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:27,498 INFO L87 Difference]: Start difference. First operand 269 states and 332 transitions. Second operand 9 states. [2020-08-21 21:16:27,891 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:28,512 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:29,167 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:29,438 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:29,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:29,571 INFO L93 Difference]: Finished difference Result 485 states and 642 transitions. [2020-08-21 21:16:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:16:29,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2020-08-21 21:16:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:29,573 INFO L225 Difference]: With dead ends: 485 [2020-08-21 21:16:29,573 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:16:29,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:16:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:16:29,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:16:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:16:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:16:29,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-08-21 21:16:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:29,578 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:16:29,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:16:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:16:29,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:16:29,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:16:29,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:16:31,333 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 21:16:31,539 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:31,690 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:31,859 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:32,002 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 21:16:32,169 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:32,345 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:32,573 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:32,948 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 21:16:33,103 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:33,268 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:33,573 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:33,743 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:33,925 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:34,258 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:34,575 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:34,874 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 21:16:35,070 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:35,235 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:16:35,423 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 21:16:35,597 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:35,758 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 21:16:36,061 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 21:16:36,369 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 21:16:36,669 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point L384-1(lines 384 388) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 399) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 353 408) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point L400(lines 377 401) no Hoare annotation was computed. [2020-08-21 21:16:36,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 353 408) no Hoare annotation was computed. [2020-08-21 21:16:36,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 353 408) no Hoare annotation was computed. [2020-08-21 21:16:36,704 INFO L268 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2020-08-21 21:16:36,704 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 445) no Hoare annotation was computed. [2020-08-21 21:16:36,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 409 468) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point L435-2(lines 435 460) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 409 468) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point L461(lines 434 462) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 409 468) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 21:16:36,705 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-08-21 21:16:36,706 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 778 784) the Hoare annotation is: true [2020-08-21 21:16:36,706 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 778 784) no Hoare annotation was computed. [2020-08-21 21:16:36,706 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 785 793) no Hoare annotation was computed. [2020-08-21 21:16:36,706 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 785 793) the Hoare annotation is: true [2020-08-21 21:16:36,706 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 785 793) no Hoare annotation was computed. [2020-08-21 21:16:36,706 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 796 803) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 21:16:36,706 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 796 803) no Hoare annotation was computed. [2020-08-21 21:16:36,707 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 796 803) no Hoare annotation was computed. [2020-08-21 21:16:36,708 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 804 813) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-08-21 21:16:36,708 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 804 813) no Hoare annotation was computed. [2020-08-21 21:16:36,710 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 21:16:36,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 804 813) no Hoare annotation was computed. [2020-08-21 21:16:36,710 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,710 INFO L268 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-08-21 21:16:36,710 INFO L268 CegarLoopResult]: For program point L826(lines 826 836) no Hoare annotation was computed. [2020-08-21 21:16:36,710 INFO L271 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: true [2020-08-21 21:16:36,710 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-08-21 21:16:36,711 INFO L268 CegarLoopResult]: For program point L822(lines 822 839) no Hoare annotation was computed. [2020-08-21 21:16:36,711 INFO L268 CegarLoopResult]: For program point L822-1(lines 814 842) no Hoare annotation was computed. [2020-08-21 21:16:36,711 INFO L271 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: true [2020-08-21 21:16:36,711 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-08-21 21:16:36,711 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 814 842) the Hoare annotation is: true [2020-08-21 21:16:36,712 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 814 842) no Hoare annotation was computed. [2020-08-21 21:16:36,713 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,713 INFO L264 CegarLoopResult]: At program point L929-1(line 929) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,713 INFO L268 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-08-21 21:16:36,714 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 934) no Hoare annotation was computed. [2020-08-21 21:16:36,714 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 917 939) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,714 INFO L268 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-08-21 21:16:36,714 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,714 INFO L264 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,714 INFO L264 CegarLoopResult]: At program point L923-1(line 923) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,717 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 917 939) no Hoare annotation was computed. [2020-08-21 21:16:36,717 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 917 939) no Hoare annotation was computed. [2020-08-21 21:16:36,717 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 875 898) no Hoare annotation was computed. [2020-08-21 21:16:36,717 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-21 21:16:36,717 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 875 898) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 875 898) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-21 21:16:36,718 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-21 21:16:36,721 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 276 290) no Hoare annotation was computed. [2020-08-21 21:16:36,722 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:16:36,723 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-08-21 21:16:36,723 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 276 290) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 21:16:36,723 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 276 290) no Hoare annotation was computed. [2020-08-21 21:16:36,723 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2020-08-21 21:16:36,723 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2020-08-21 21:16:36,723 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2020-08-21 21:16:36,724 INFO L271 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: true [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point L264-1(line 264) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-21 21:16:36,724 INFO L268 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-08-21 21:16:36,725 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 771 777) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 771 777) the Hoare annotation is: true [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 307 352) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 307 352) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 307 352) no Hoare annotation was computed. [2020-08-21 21:16:36,726 INFO L268 CegarLoopResult]: For program point L640(lines 640 647) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point L634(lines 634 654) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 620 665) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point L634-1(lines 634 654) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 620 665) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 620 665) no Hoare annotation was computed. [2020-08-21 21:16:36,727 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 906 916) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,727 INFO L264 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-08-21 21:16:36,727 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 906 916) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 906 916) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 201 211) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-08-21 21:16:36,728 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-08-21 21:16:36,729 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2020-08-21 21:16:36,729 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,729 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,729 INFO L268 CegarLoopResult]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2020-08-21 21:16:36,729 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,729 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,729 INFO L268 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-08-21 21:16:36,729 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,730 INFO L268 CegarLoopResult]: For program point L166-1(line 166) no Hoare annotation was computed. [2020-08-21 21:16:36,730 INFO L268 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-08-21 21:16:36,730 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2020-08-21 21:16:36,730 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2020-08-21 21:16:36,730 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,730 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,730 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-08-21 21:16:36,730 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,731 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-21 21:16:36,731 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-21 21:16:36,731 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-21 21:16:36,731 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,731 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 21:16:36,731 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-21 21:16:36,731 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,731 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 574 619) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 574 619) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point L594(lines 594 601) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 574 619) no Hoare annotation was computed. [2020-08-21 21:16:36,732 INFO L268 CegarLoopResult]: For program point L588(lines 588 608) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point L588-1(lines 588 608) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 747 755) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 747 755) the Hoare annotation is: true [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 747 755) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 715 737) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 715 737) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 715 737) no Hoare annotation was computed. [2020-08-21 21:16:36,733 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 471 573) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L541(lines 519 542) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L500(lines 500 516) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L560(lines 560 567) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L521(lines 520 540) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 471 573) no Hoare annotation was computed. [2020-08-21 21:16:36,734 INFO L268 CegarLoopResult]: For program point L517(lines 517 558) no Hoare annotation was computed. [2020-08-21 21:16:36,735 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 21:16:36,735 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-08-21 21:16:36,735 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 471 573) no Hoare annotation was computed. [2020-08-21 21:16:36,735 INFO L268 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point L559(lines 559 570) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 540) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 761 770) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 761 770) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 761 770) no Hoare annotation was computed. [2020-08-21 21:16:36,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,737 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|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#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~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.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~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 185 192) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 738 746) the Hoare annotation is: true [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 738 746) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 738 746) no Hoare annotation was computed. [2020-08-21 21:16:36,737 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 694 705) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:16:36,738 INFO L268 CegarLoopResult]: For program point L698-1(lines 694 705) no Hoare annotation was computed. [2020-08-21 21:16:36,738 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 694 705) no Hoare annotation was computed. [2020-08-21 21:16:36,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,738 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,738 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,738 INFO L264 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,739 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2020-08-21 21:16:36,739 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2020-08-21 21:16:36,739 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:16:36,739 INFO L268 CegarLoopResult]: For program point L132(lines 128 150) no Hoare annotation was computed. [2020-08-21 21:16:36,740 INFO L268 CegarLoopResult]: For program point L130(lines 128 150) no Hoare annotation was computed. [2020-08-21 21:16:36,740 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2020-08-21 21:16:36,740 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,740 INFO L268 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2020-08-21 21:16:36,740 INFO L264 CegarLoopResult]: At program point L859-1(lines 859 863) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,740 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-21 21:16:36,741 INFO L264 CegarLoopResult]: At program point L855-2(lines 855 869) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,741 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:36,741 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-08-21 21:16:36,741 INFO L271 CegarLoopResult]: At program point L870(lines 845 874) the Hoare annotation is: true [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 706 714) no Hoare annotation was computed. [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 706 714) no Hoare annotation was computed. [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 706 714) no Hoare annotation was computed. [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-08-21 21:16:36,742 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 670 681) the Hoare annotation is: true [2020-08-21 21:16:36,742 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 670 681) no Hoare annotation was computed. [2020-08-21 21:16:36,743 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 899 905) no Hoare annotation was computed. [2020-08-21 21:16:36,743 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 899 905) the Hoare annotation is: true [2020-08-21 21:16:36,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,743 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:16:36,743 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:16:36,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:36,743 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 682 693) no Hoare annotation was computed. [2020-08-21 21:16:36,743 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-08-21 21:16:36,744 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 682 693) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 21:16:36,744 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 292 299) no Hoare annotation was computed. [2020-08-21 21:16:36,744 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-08-21 21:16:36,744 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 292 299) the Hoare annotation is: true [2020-08-21 21:16:36,744 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 292 299) no Hoare annotation was computed. [2020-08-21 21:16:36,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:16:36 BoogieIcfgContainer [2020-08-21 21:16:36,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:16:36,761 INFO L168 Benchmark]: Toolchain (without parser) took 18461.84 ms. Allocated memory was 141.0 MB in the beginning and 594.0 MB in the end (delta: 453.0 MB). Free memory was 102.3 MB in the beginning and 525.4 MB in the end (delta: -423.1 MB). Peak memory consumption was 423.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,762 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.48 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 171.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,763 INFO L168 Benchmark]: Boogie Preprocessor took 146.85 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,764 INFO L168 Benchmark]: RCFGBuilder took 1140.78 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 196.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,765 INFO L168 Benchmark]: TraceAbstraction took 16458.98 ms. Allocated memory was 237.0 MB in the beginning and 594.0 MB in the end (delta: 357.0 MB). Free memory was 195.1 MB in the beginning and 525.4 MB in the end (delta: -330.3 MB). Peak memory consumption was 420.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:36,770 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 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.48 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 171.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.85 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1140.78 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 196.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16458.98 ms. Allocated memory was 237.0 MB in the beginning and 594.0 MB in the end (delta: 357.0 MB). Free memory was 195.1 MB in the beginning and 525.4 MB in the end (delta: -330.3 MB). Peak memory consumption was 420.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 296]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 605 SDslu, 364 SDs, 0 SdLazy, 1344 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 79 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 348 PreInvPairs, 422 NumberOfFragments, 694 HoareAnnotationTreeSize, 348 FomulaSimplifications, 4339 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 55 FomulaSimplificationsInter, 10998 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 59275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...