/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:38:47,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:38:47,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:38:47,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 03:38:47,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 03:38:47,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 03:38:47,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 03:38:47,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 03:38:47,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 03:38:47,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 03:38:47,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 03:38:47,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 03:38:47,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:38:47,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:38:47,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:38:47,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:38:47,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:38:47,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:38:47,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:38:47,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:38:47,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:38:47,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:38:47,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:38:47,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:38:48,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 03:38:48,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 03:38:48,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 03:38:48,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 03:38:48,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 03:38:48,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 03:38:48,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 03:38:48,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 03:38:48,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 03:38:48,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 03:38:48,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 03:38:48,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 03:38:48,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 03:38:48,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 03:38:48,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:38:48,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:38:48,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:38:48,010 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 [2020-08-22 03:38:48,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:38:48,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:38:48,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:38:48,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:38:48,033 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:38:48,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:38:48,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:38:48,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:38:48,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:38:48,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:38:48,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:38:48,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:38:48,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:38:48,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:38:48,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:38:48,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:38:48,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:38:48,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:38:48,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:38:48,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:38:48,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:38:48,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:38:48,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:38:48,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:38:48,037 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:38:48,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:38:48,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:38:48,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:38:48,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:38:48,365 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:38:48,366 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-08-22 03:38:48,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13a736dff/36a733f5a54e4816817b3f9b5027ddfd/FLAG5b0c81996 [2020-08-22 03:38:48,957 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:38:48,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-08-22 03:38:48,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13a736dff/36a733f5a54e4816817b3f9b5027ddfd/FLAG5b0c81996 [2020-08-22 03:38:49,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13a736dff/36a733f5a54e4816817b3f9b5027ddfd [2020-08-22 03:38:49,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:38:49,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:38:49,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:38:49,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:38:49,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:38:49,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d85603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49, skipping insertion in model container [2020-08-22 03:38:49,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:38:49,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:38:49,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:38:49,741 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:38:49,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:38:49,922 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:38:49,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49 WrapperNode [2020-08-22 03:38:49,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:38:49,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:38:49,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:38:49,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:38:49,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:49,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:50,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (1/1) ... [2020-08-22 03:38:50,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:38:50,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:38:50,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:38:50,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:38:50,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (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 [2020-08-22 03:38:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:38:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:38:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 03:38:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 03:38:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 03:38:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 03:38:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 03:38:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 03:38:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 03:38:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 03:38:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 03:38:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 03:38:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 03:38:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 03:38:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 03:38:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 03:38:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 03:38:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 03:38:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 03:38:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 03:38:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 03:38:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 03:38:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:38:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 03:38:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 03:38:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 03:38:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 03:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 03:38:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 03:38:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 03:38:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 03:38:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:38:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:38:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 03:38:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 03:38:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 03:38:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 03:38:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 03:38:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 03:38:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 03:38:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 03:38:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 03:38:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 03:38:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 03:38:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 03:38:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 03:38:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 03:38:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 03:38:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 03:38:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 03:38:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 03:38:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 03:38:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 03:38:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 03:38:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 03:38:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 03:38:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 03:38:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 03:38:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 03:38:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:38:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 03:38:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 03:38:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 03:38:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 03:38:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 03:38:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 03:38:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 03:38:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:38:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 03:38:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:38:51,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:38:51,194 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 03:38:51,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:38:51 BoogieIcfgContainer [2020-08-22 03:38:51,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:38:51,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:38:51,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:38:51,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:38:51,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:38:49" (1/3) ... [2020-08-22 03:38:51,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4bff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:38:51, skipping insertion in model container [2020-08-22 03:38:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:38:49" (2/3) ... [2020-08-22 03:38:51,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4bff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:38:51, skipping insertion in model container [2020-08-22 03:38:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:38:51" (3/3) ... [2020-08-22 03:38:51,207 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-08-22 03:38:51,218 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:38:51,226 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:38:51,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:38:51,267 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:38:51,267 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:38:51,268 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:38:51,268 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:38:51,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:38:51,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:38:51,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:38:51,269 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:38:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-08-22 03:38:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 03:38:51,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:38:51,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:38:51,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:38:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:38:51,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1379034855, now seen corresponding path program 1 times [2020-08-22 03:38:51,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:38:51,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579370548] [2020-08-22 03:38:51,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:38:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:51,987 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:38:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:38:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:38:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:38:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:38:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:38:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:38:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 03:38:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 03:38:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:38:52,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579370548] [2020-08-22 03:38:52,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:38:52,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 03:38:52,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600206335] [2020-08-22 03:38:52,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 03:38:52,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:38:52,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 03:38:52,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 03:38:52,179 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-08-22 03:38:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:38:53,430 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-08-22 03:38:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 03:38:53,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 03:38:53,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:38:53,449 INFO L225 Difference]: With dead ends: 303 [2020-08-22 03:38:53,449 INFO L226 Difference]: Without dead ends: 170 [2020-08-22 03:38:53,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 03:38:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-08-22 03:38:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-08-22 03:38:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-22 03:38:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-08-22 03:38:53,562 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-08-22 03:38:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:38:53,563 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-08-22 03:38:53,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 03:38:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-08-22 03:38:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 03:38:53,566 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:38:53,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:38:53,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:38:53,567 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:38:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:38:53,568 INFO L82 PathProgramCache]: Analyzing trace with hash 164861133, now seen corresponding path program 1 times [2020-08-22 03:38:53,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:38:53,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453410218] [2020-08-22 03:38:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:38:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:53,953 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:38:53,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:38:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:38:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:38:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:38:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:38:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:38:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:38:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 03:38:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:38:54,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453410218] [2020-08-22 03:38:54,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:38:54,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 03:38:54,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623387677] [2020-08-22 03:38:54,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 03:38:54,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:38:54,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 03:38:54,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:38:54,058 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-08-22 03:38:54,512 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 03:38:55,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:38:55,545 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-08-22 03:38:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 03:38:55,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 03:38:55,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:38:55,549 INFO L225 Difference]: With dead ends: 238 [2020-08-22 03:38:55,552 INFO L226 Difference]: Without dead ends: 160 [2020-08-22 03:38:55,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:38:55,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-22 03:38:55,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-08-22 03:38:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-22 03:38:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-08-22 03:38:55,619 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-08-22 03:38:55,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:38:55,619 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-08-22 03:38:55,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 03:38:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-08-22 03:38:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 03:38:55,630 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:38:55,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:38:55,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:38:55,631 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:38:55,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:38:55,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1116626050, now seen corresponding path program 1 times [2020-08-22 03:38:55,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:38:55,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676539260] [2020-08-22 03:38:55,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:38:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:55,949 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:38:55,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:38:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:38:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:38:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:38:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:38:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:38:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 03:38:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 03:38:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:38:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:38:56,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676539260] [2020-08-22 03:38:56,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:38:56,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 03:38:56,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684231023] [2020-08-22 03:38:56,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:38:56,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:38:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:38:56,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:38:56,097 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-08-22 03:38:56,505 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:38:56,867 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:38:57,118 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:38:57,338 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:38:58,086 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 03:38:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:38:59,942 INFO L93 Difference]: Finished difference Result 427 states and 544 transitions. [2020-08-22 03:38:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 03:38:59,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-22 03:38:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:38:59,954 INFO L225 Difference]: With dead ends: 427 [2020-08-22 03:38:59,954 INFO L226 Difference]: Without dead ends: 330 [2020-08-22 03:38:59,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 03:38:59,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-08-22 03:39:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 261. [2020-08-22 03:39:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-08-22 03:39:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2020-08-22 03:39:00,023 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2020-08-22 03:39:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:39:00,023 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2020-08-22 03:39:00,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:39:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2020-08-22 03:39:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 03:39:00,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:39:00,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:39:00,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:39:00,026 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:39:00,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:39:00,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1686629375, now seen corresponding path program 1 times [2020-08-22 03:39:00,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:39:00,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825032450] [2020-08-22 03:39:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:39:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,329 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:39:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:39:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:39:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:39:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:39:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:39:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:39:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:39:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 03:39:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 03:39:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:39:00,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825032450] [2020-08-22 03:39:00,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:39:00,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 03:39:00,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231199478] [2020-08-22 03:39:00,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:39:00,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:39:00,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:39:00,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:39:00,428 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 9 states. [2020-08-22 03:39:00,823 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:39:02,002 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:02,405 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:39:02,654 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:02,951 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:39:04,412 INFO L93 Difference]: Finished difference Result 840 states and 1128 transitions. [2020-08-22 03:39:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 03:39:04,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-22 03:39:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:39:04,420 INFO L225 Difference]: With dead ends: 840 [2020-08-22 03:39:04,420 INFO L226 Difference]: Without dead ends: 607 [2020-08-22 03:39:04,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 03:39:04,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-08-22 03:39:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 470. [2020-08-22 03:39:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-08-22 03:39:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2020-08-22 03:39:04,556 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2020-08-22 03:39:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:39:04,557 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2020-08-22 03:39:04,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:39:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2020-08-22 03:39:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 03:39:04,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:39:04,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:39:04,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:39:04,561 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:39:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:39:04,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1821599845, now seen corresponding path program 1 times [2020-08-22 03:39:04,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:39:04,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571862085] [2020-08-22 03:39:04,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:39:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,864 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:39:04,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:39:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:39:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:39:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:39:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:39:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:39:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 03:39:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 03:39:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 03:39:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 03:39:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:39:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:39:05,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571862085] [2020-08-22 03:39:05,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:39:05,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 03:39:05,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307893180] [2020-08-22 03:39:05,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:39:05,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:39:05,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:39:05,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:39:05,011 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 10 states. [2020-08-22 03:39:05,528 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:39:06,650 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:06,918 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:07,180 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:39:07,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:39:07,767 INFO L93 Difference]: Finished difference Result 891 states and 1209 transitions. [2020-08-22 03:39:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 03:39:07,774 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-22 03:39:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:39:07,775 INFO L225 Difference]: With dead ends: 891 [2020-08-22 03:39:07,775 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 03:39:07,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-22 03:39:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 03:39:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 03:39:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 03:39:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 03:39:07,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-22 03:39:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:39:07,781 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 03:39:07,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:39:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 03:39:07,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:39:07,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 03:39:07,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 03:39:08,152 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 6 [2020-08-22 03:39:12,071 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 03:39:12,301 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:12,463 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-22 03:39:12,818 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-22 03:39:12,986 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:13,328 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 03:39:13,613 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-22 03:39:13,823 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:39:14,136 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 03:39:14,275 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 03:39:14,601 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:39:14,918 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-22 03:39:15,259 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 03:39:15,593 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:39:15,899 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 03:39:16,243 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 03:39:16,413 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 03:39:16,586 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 03:39:16,757 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:16,946 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 03:39:17,124 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:17,316 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 03:39:17,815 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-22 03:39:17,990 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:18,149 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:39:18,482 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-22 03:39:18,831 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:39:18,835 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point L699-1(lines 699 703) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 714) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 668 723) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point L715(lines 692 716) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 668 723) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 668 723) no Hoare annotation was computed. [2020-08-22 03:39:18,836 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 724 783) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point L756-1(lines 756 760) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 724 783) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point L750-2(lines 750 775) no Hoare annotation was computed. [2020-08-22 03:39:18,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 724 783) no Hoare annotation was computed. [2020-08-22 03:39:18,838 INFO L268 CegarLoopResult]: For program point L776(lines 749 777) no Hoare annotation was computed. [2020-08-22 03:39:18,838 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2020-08-22 03:39:18,838 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2020-08-22 03:39:18,838 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2020-08-22 03:39:18,838 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2020-08-22 03:39:18,839 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2020-08-22 03:39:18,839 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,839 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2020-08-22 03:39:18,839 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:39:18,840 INFO L264 CegarLoopResult]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:39:18,840 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-08-22 03:39:18,840 INFO L268 CegarLoopResult]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2020-08-22 03:39:18,840 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 03:39:18,840 INFO L264 CegarLoopResult]: At program point L435(line 435) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,840 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,841 INFO L264 CegarLoopResult]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 382 405) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 382 405) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 382 405) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-22 03:39:18,841 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-08-22 03:39:18,842 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,843 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,843 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2020-08-22 03:39:18,843 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L271 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: true [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-08-22 03:39:18,844 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2020-08-22 03:39:18,844 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L291-2(lines 291 299) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 272 307) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 272 307) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point L291(lines 291 299) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 272 307) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2020-08-22 03:39:18,845 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 622 667) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 622 667) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 622 667) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 935 980) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point L949(lines 949 969) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point L949-1(lines 949 969) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 935 980) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 935 980) no Hoare annotation was computed. [2020-08-22 03:39:18,846 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,847 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2020-08-22 03:39:18,847 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2020-08-22 03:39:18,847 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,847 INFO L271 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: true [2020-08-22 03:39:18,847 INFO L268 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2020-08-22 03:39:18,847 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2020-08-22 03:39:18,847 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2020-08-22 03:39:18,848 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2020-08-22 03:39:18,848 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2020-08-22 03:39:18,848 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2020-08-22 03:39:18,848 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2020-08-22 03:39:18,848 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2020-08-22 03:39:18,848 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,848 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-08-22 03:39:18,849 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,849 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,849 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,849 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-08-22 03:39:18,849 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,849 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-08-22 03:39:18,849 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-08-22 03:39:18,849 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-08-22 03:39:18,850 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-08-22 03:39:18,850 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,850 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,850 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-08-22 03:39:18,850 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,850 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-08-22 03:39:18,850 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-08-22 03:39:18,850 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-08-22 03:39:18,851 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,851 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,851 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-22 03:39:18,851 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-22 03:39:18,851 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-08-22 03:39:18,851 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:39:18,851 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 889 934) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 889 934) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 889 934) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point L909(lines 909 916) no Hoare annotation was computed. [2020-08-22 03:39:18,852 INFO L268 CegarLoopResult]: For program point L903(lines 903 923) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 923) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 219 226) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 219 226) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 219 226) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2020-08-22 03:39:18,853 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2020-08-22 03:39:18,853 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-22 03:39:18,854 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-08-22 03:39:18,854 INFO L268 CegarLoopResult]: For program point L598(lines 598 608) no Hoare annotation was computed. [2020-08-22 03:39:18,854 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-22 03:39:18,854 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-08-22 03:39:18,854 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-08-22 03:39:18,854 INFO L268 CegarLoopResult]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2020-08-22 03:39:18,854 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:39:18,855 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point L543(lines 543 551) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 551) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 535 557) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 535 557) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 535 557) no Hoare annotation was computed. [2020-08-22 03:39:18,855 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 453 462) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 453 462) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 453 462) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point L832(lines 832 873) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 786 888) no Hoare annotation was computed. [2020-08-22 03:39:18,856 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L874(lines 874 885) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 786 888) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 855) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point L856(lines 834 857) no Hoare annotation was computed. [2020-08-22 03:39:18,857 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 786 888) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point L815(lines 815 831) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point L836(lines 835 855) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,858 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point L238-1(lines 227 243) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 227 243) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 227 243) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-22 03:39:18,859 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 558 566) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 558 566) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 558 566) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,860 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,861 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,861 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,861 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 03:39:18,861 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 03:39:18,861 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-08-22 03:39:18,861 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-08-22 03:39:18,861 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-08-22 03:39:18,862 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2020-08-22 03:39:18,862 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2020-08-22 03:39:18,862 INFO L271 CegarLoopResult]: At program point L377(lines 352 381) the Hoare annotation is: true [2020-08-22 03:39:18,862 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-08-22 03:39:18,862 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-08-22 03:39:18,862 INFO L271 CegarLoopResult]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2020-08-22 03:39:18,862 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-08-22 03:39:18,862 INFO L271 CegarLoopResult]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2020-08-22 03:39:18,863 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-08-22 03:39:18,863 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-08-22 03:39:18,863 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2020-08-22 03:39:18,863 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2020-08-22 03:39:18,863 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2020-08-22 03:39:18,863 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2020-08-22 03:39:18,863 INFO L268 CegarLoopResult]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2020-08-22 03:39:18,864 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2020-08-22 03:39:18,864 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2020-08-22 03:39:18,864 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2020-08-22 03:39:18,864 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,864 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 03:39:18,864 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:39:18,864 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:39:18,864 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2020-08-22 03:39:18,865 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-22 03:39:18,865 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2020-08-22 03:39:18,865 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2020-08-22 03:39:18,865 INFO L268 CegarLoopResult]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2020-08-22 03:39:18,865 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-22 03:39:18,865 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-22 03:39:18,865 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-22 03:39:18,866 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-22 03:39:18,866 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-22 03:39:18,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:39:18 BoogieIcfgContainer [2020-08-22 03:39:18,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:39:18,886 INFO L168 Benchmark]: Toolchain (without parser) took 29674.39 ms. Allocated memory was 146.8 MB in the beginning and 676.3 MB in the end (delta: 529.5 MB). Free memory was 102.2 MB in the beginning and 554.5 MB in the end (delta: -452.2 MB). Peak memory consumption was 551.6 MB. Max. memory is 7.1 GB. [2020-08-22 03:39:18,886 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 03:39:18,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.54 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-08-22 03:39:18,888 INFO L168 Benchmark]: Boogie Preprocessor took 88.75 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-22 03:39:18,889 INFO L168 Benchmark]: RCFGBuilder took 1186.57 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 195.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-08-22 03:39:18,890 INFO L168 Benchmark]: TraceAbstraction took 27683.66 ms. Allocated memory was 236.5 MB in the beginning and 676.3 MB in the end (delta: 439.9 MB). Free memory was 195.4 MB in the beginning and 554.5 MB in the end (delta: -359.0 MB). Peak memory consumption was 555.1 MB. Max. memory is 7.1 GB. [2020-08-22 03:39:18,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.54 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.75 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.57 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 195.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27683.66 ms. Allocated memory was 236.5 MB in the beginning and 676.3 MB in the end (delta: 439.9 MB). Free memory was 195.4 MB in the beginning and 554.5 MB in the end (delta: -359.0 MB). Peak memory consumption was 555.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 989 SDslu, 626 SDs, 0 SdLazy, 2873 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 277 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 684 PreInvPairs, 811 NumberOfFragments, 851 HoareAnnotationTreeSize, 684 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 63 FomulaSimplificationsInter, 19409 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...