/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:40:36,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:40:36,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:40:36,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:40:36,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:40:36,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:40:36,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:40:36,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:40:36,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:40:36,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:40:36,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:40:36,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:40:36,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:40:36,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:40:36,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:40:36,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:40:36,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:40:36,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:40:36,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:40:36,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:40:36,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:40:36,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:40:36,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:40:36,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:40:36,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:40:36,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:40:36,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:40:36,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:40:36,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:40:36,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:40:36,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:40:36,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:40:36,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:40:36,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:40:36,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:40:36,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:40:36,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:40:36,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:40:36,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:40:36,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:40:36,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:40:36,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:40:36,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:40:36,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:40:36,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:40:36,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:40:36,896 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:40:36,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:40:36,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:40:36,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:40:36,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:40:36,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:40:36,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:40:36,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:40:36,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:40:36,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:40:36,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:40:36,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:40:36,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:40:36,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:40:36,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:40:36,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:40:36,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:40:36,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:36,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:40:36,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:40:36,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:40:36,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:40:36,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:36,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:40:36,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:40:36,901 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:40:37,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:40:37,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:40:37,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:40:37,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:40:37,259 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:40:37,260 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-20 10:40:37,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd188fa2/283b82225c08453d8e10f6092318d267/FLAG76db27054 [2020-07-20 10:40:37,865 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:40:37,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-20 10:40:37,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd188fa2/283b82225c08453d8e10f6092318d267/FLAG76db27054 [2020-07-20 10:40:38,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd188fa2/283b82225c08453d8e10f6092318d267 [2020-07-20 10:40:38,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:40:38,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:40:38,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:38,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:40:38,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:40:38,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0926b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38, skipping insertion in model container [2020-07-20 10:40:38,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:40:38,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:40:38,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:38,727 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:40:38,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:38,859 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:40:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38 WrapperNode [2020-07-20 10:40:38,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:38,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:40:38,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:40:38,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:40:38,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... [2020-07-20 10:40:38,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:40:38,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:40:38,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:40:38,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:40:38,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 10:40:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:40:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:40:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:40:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:40:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:40:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:40:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:40:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:40:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:40:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:40:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:40:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:40:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:40:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:40:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:40:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:40:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:40:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:40:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:40:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:40:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:40:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:40:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:40:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:40:40,119 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:40:40,119 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:40:40,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:40 BoogieIcfgContainer [2020-07-20 10:40:40,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:40:40,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:40:40,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:40:40,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:40:40,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:40:38" (1/3) ... [2020-07-20 10:40:40,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a2eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:40, skipping insertion in model container [2020-07-20 10:40:40,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:38" (2/3) ... [2020-07-20 10:40:40,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a2eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:40, skipping insertion in model container [2020-07-20 10:40:40,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:40" (3/3) ... [2020-07-20 10:40:40,136 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-07-20 10:40:40,148 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:40:40,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:40:40,173 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:40:40,200 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:40:40,200 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:40:40,201 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:40:40,201 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:40:40,201 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:40:40,201 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:40:40,201 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:40:40,202 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:40:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 10:40:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:40:40,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:40,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:40,237 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-07-20 10:40:40,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:40,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728594513] [2020-07-20 10:40:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:40,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:40:40,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:40,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:40,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728594513] [2020-07-20 10:40:40,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:40,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:40:40,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802069015] [2020-07-20 10:40:40,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:40:40,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:40,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:40:40,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:40,587 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 10:40:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:40,634 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2020-07-20 10:40:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:40:40,636 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:40:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:40,651 INFO L225 Difference]: With dead ends: 272 [2020-07-20 10:40:40,651 INFO L226 Difference]: Without dead ends: 136 [2020-07-20 10:40:40,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:40,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-20 10:40:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-20 10:40:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-20 10:40:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-07-20 10:40:40,720 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-07-20 10:40:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:40,721 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-07-20 10:40:40,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:40:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-07-20 10:40:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:40:40,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:40,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:40,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:40,941 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:40,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:40,942 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-07-20 10:40:40,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:40,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284023747] [2020-07-20 10:40:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:41,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:40:41,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:41,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:41,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284023747] [2020-07-20 10:40:41,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:41,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:41,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38650587] [2020-07-20 10:40:41,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:41,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:41,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:41,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:41,208 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2020-07-20 10:40:41,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:41,231 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2020-07-20 10:40:41,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:41,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:40:41,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:41,234 INFO L225 Difference]: With dead ends: 215 [2020-07-20 10:40:41,234 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 10:40:41,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 10:40:41,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 10:40:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 10:40:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-20 10:40:41,250 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-07-20 10:40:41,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:41,250 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-20 10:40:41,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-20 10:40:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:40:41,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:41,253 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] [2020-07-20 10:40:41,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,467 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:41,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:41,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-07-20 10:40:41,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:41,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801010568] [2020-07-20 10:40:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:41,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:40:41,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:41,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:41,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801010568] [2020-07-20 10:40:41,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:41,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:41,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471868516] [2020-07-20 10:40:41,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:41,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:41,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:41,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:41,681 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 3 states. [2020-07-20 10:40:41,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:41,716 INFO L93 Difference]: Finished difference Result 331 states and 402 transitions. [2020-07-20 10:40:41,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:41,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 10:40:41,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:41,721 INFO L225 Difference]: With dead ends: 331 [2020-07-20 10:40:41,722 INFO L226 Difference]: Without dead ends: 228 [2020-07-20 10:40:41,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-20 10:40:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2020-07-20 10:40:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 10:40:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 271 transitions. [2020-07-20 10:40:41,750 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 271 transitions. Word has length 51 [2020-07-20 10:40:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:41,751 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 271 transitions. [2020-07-20 10:40:41,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2020-07-20 10:40:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:40:41,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:41,755 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] [2020-07-20 10:40:41,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,968 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-07-20 10:40:41,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:41,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129632364] [2020-07-20 10:40:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:42,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:40:42,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:42,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:42,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129632364] [2020-07-20 10:40:42,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:42,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:42,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010162074] [2020-07-20 10:40:42,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:42,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:42,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:42,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:42,233 INFO L87 Difference]: Start difference. First operand 224 states and 271 transitions. Second operand 6 states. [2020-07-20 10:40:42,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:42,480 INFO L93 Difference]: Finished difference Result 548 states and 689 transitions. [2020-07-20 10:40:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:40:42,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 10:40:42,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:42,486 INFO L225 Difference]: With dead ends: 548 [2020-07-20 10:40:42,486 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 10:40:42,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:42,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 10:40:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 338. [2020-07-20 10:40:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-07-20 10:40:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 409 transitions. [2020-07-20 10:40:42,537 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 409 transitions. Word has length 57 [2020-07-20 10:40:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:42,538 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 409 transitions. [2020-07-20 10:40:42,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 409 transitions. [2020-07-20 10:40:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 10:40:42,546 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:42,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:42,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:42,748 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:42,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:42,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1083117360, now seen corresponding path program 1 times [2020-07-20 10:40:42,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:42,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882939080] [2020-07-20 10:40:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:42,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:40:42,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:40:42,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:42,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882939080] [2020-07-20 10:40:42,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:42,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:42,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621642242] [2020-07-20 10:40:42,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:42,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:42,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:42,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:42,959 INFO L87 Difference]: Start difference. First operand 338 states and 409 transitions. Second operand 3 states. [2020-07-20 10:40:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:43,003 INFO L93 Difference]: Finished difference Result 958 states and 1241 transitions. [2020-07-20 10:40:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:43,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-20 10:40:43,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:43,010 INFO L225 Difference]: With dead ends: 958 [2020-07-20 10:40:43,011 INFO L226 Difference]: Without dead ends: 644 [2020-07-20 10:40:43,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:43,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-20 10:40:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 641. [2020-07-20 10:40:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-07-20 10:40:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 812 transitions. [2020-07-20 10:40:43,084 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 812 transitions. Word has length 94 [2020-07-20 10:40:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:43,084 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 812 transitions. [2020-07-20 10:40:43,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 812 transitions. [2020-07-20 10:40:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 10:40:43,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:43,087 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:43,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:43,302 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1090876719, now seen corresponding path program 1 times [2020-07-20 10:40:43,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:43,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991176717] [2020-07-20 10:40:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:43,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:40:43,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 10:40:43,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:43,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991176717] [2020-07-20 10:40:43,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:43,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:43,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878602529] [2020-07-20 10:40:43,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:43,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:43,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:43,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:43,524 INFO L87 Difference]: Start difference. First operand 641 states and 812 transitions. Second operand 6 states. [2020-07-20 10:40:43,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:43,815 INFO L93 Difference]: Finished difference Result 1840 states and 2398 transitions. [2020-07-20 10:40:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:40:43,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 10:40:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:43,824 INFO L225 Difference]: With dead ends: 1840 [2020-07-20 10:40:43,825 INFO L226 Difference]: Without dead ends: 1223 [2020-07-20 10:40:43,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:43,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-07-20 10:40:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1207. [2020-07-20 10:40:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-07-20 10:40:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1538 transitions. [2020-07-20 10:40:43,902 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1538 transitions. Word has length 94 [2020-07-20 10:40:43,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:43,903 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1538 transitions. [2020-07-20 10:40:43,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1538 transitions. [2020-07-20 10:40:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 10:40:43,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:43,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:44,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:44,119 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:44,120 INFO L82 PathProgramCache]: Analyzing trace with hash -25064475, now seen corresponding path program 1 times [2020-07-20 10:40:44,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:44,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124704425] [2020-07-20 10:40:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:44,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:40:44,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:40:44,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:44,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124704425] [2020-07-20 10:40:44,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:44,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:44,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714857024] [2020-07-20 10:40:44,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:44,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:44,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:44,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:44,384 INFO L87 Difference]: Start difference. First operand 1207 states and 1538 transitions. Second operand 6 states. [2020-07-20 10:40:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:45,737 INFO L93 Difference]: Finished difference Result 4054 states and 5538 transitions. [2020-07-20 10:40:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:40:45,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-07-20 10:40:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:45,762 INFO L225 Difference]: With dead ends: 4054 [2020-07-20 10:40:45,762 INFO L226 Difference]: Without dead ends: 2871 [2020-07-20 10:40:45,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:40:45,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2020-07-20 10:40:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2637. [2020-07-20 10:40:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2020-07-20 10:40:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3472 transitions. [2020-07-20 10:40:45,942 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3472 transitions. Word has length 102 [2020-07-20 10:40:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:45,942 INFO L479 AbstractCegarLoop]: Abstraction has 2637 states and 3472 transitions. [2020-07-20 10:40:45,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3472 transitions. [2020-07-20 10:40:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 10:40:45,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:45,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:46,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:46,161 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:46,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:46,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2020-07-20 10:40:46,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:46,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21933434] [2020-07-20 10:40:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:46,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:40:46,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:46,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:46,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21933434] [2020-07-20 10:40:46,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:46,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:40:46,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620904067] [2020-07-20 10:40:46,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:40:46,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:46,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:40:46,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:46,425 INFO L87 Difference]: Start difference. First operand 2637 states and 3472 transitions. Second operand 8 states. [2020-07-20 10:40:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:47,102 INFO L93 Difference]: Finished difference Result 5078 states and 6758 transitions. [2020-07-20 10:40:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:40:47,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-20 10:40:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:47,133 INFO L225 Difference]: With dead ends: 5078 [2020-07-20 10:40:47,133 INFO L226 Difference]: Without dead ends: 2465 [2020-07-20 10:40:47,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2020-07-20 10:40:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2465. [2020-07-20 10:40:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-07-20 10:40:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3168 transitions. [2020-07-20 10:40:47,303 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3168 transitions. Word has length 98 [2020-07-20 10:40:47,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:47,303 INFO L479 AbstractCegarLoop]: Abstraction has 2465 states and 3168 transitions. [2020-07-20 10:40:47,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:40:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3168 transitions. [2020-07-20 10:40:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 10:40:47,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:47,311 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:47,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:47,524 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:47,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:47,525 INFO L82 PathProgramCache]: Analyzing trace with hash 564747198, now seen corresponding path program 1 times [2020-07-20 10:40:47,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:47,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267213509] [2020-07-20 10:40:47,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:47,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:40:47,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 10:40:47,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:47,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267213509] [2020-07-20 10:40:47,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:47,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:47,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829415231] [2020-07-20 10:40:47,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:47,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:47,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:47,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:47,750 INFO L87 Difference]: Start difference. First operand 2465 states and 3168 transitions. Second operand 3 states. [2020-07-20 10:40:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:47,891 INFO L93 Difference]: Finished difference Result 2914 states and 3722 transitions. [2020-07-20 10:40:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:47,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-07-20 10:40:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:47,901 INFO L225 Difference]: With dead ends: 2914 [2020-07-20 10:40:47,901 INFO L226 Difference]: Without dead ends: 1185 [2020-07-20 10:40:47,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2020-07-20 10:40:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2020-07-20 10:40:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-07-20 10:40:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1481 transitions. [2020-07-20 10:40:48,028 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1481 transitions. Word has length 131 [2020-07-20 10:40:48,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:48,030 INFO L479 AbstractCegarLoop]: Abstraction has 1185 states and 1481 transitions. [2020-07-20 10:40:48,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1481 transitions. [2020-07-20 10:40:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 10:40:48,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:48,039 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:48,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:48,255 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:48,256 INFO L82 PathProgramCache]: Analyzing trace with hash 65609733, now seen corresponding path program 1 times [2020-07-20 10:40:48,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:48,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737575912] [2020-07-20 10:40:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:48,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:40:48,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:40:48,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:48,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737575912] [2020-07-20 10:40:48,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:48,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:40:48,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947643903] [2020-07-20 10:40:48,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:40:48,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:48,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:40:48,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:48,627 INFO L87 Difference]: Start difference. First operand 1185 states and 1481 transitions. Second operand 8 states. [2020-07-20 10:40:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:49,112 INFO L93 Difference]: Finished difference Result 2219 states and 2807 transitions. [2020-07-20 10:40:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:40:49,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-07-20 10:40:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:49,114 INFO L225 Difference]: With dead ends: 2219 [2020-07-20 10:40:49,114 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:40:49,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:40:49,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:40:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:40:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:40:49,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-20 10:40:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:49,128 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:40:49,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:40:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:40:49,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:40:49,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:49,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:40:51,832 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2020-07-20 10:40:52,321 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 20 [2020-07-20 10:40:52,821 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-07-20 10:40:53,051 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2020-07-20 10:40:53,614 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-07-20 10:40:53,972 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2020-07-20 10:40:54,263 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2020-07-20 10:40:54,368 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 21 [2020-07-20 10:40:54,545 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 15 [2020-07-20 10:40:54,813 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2020-07-20 10:40:55,073 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2020-07-20 10:40:55,534 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-07-20 10:40:55,790 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2020-07-20 10:40:55,939 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-07-20 10:40:56,462 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 27 [2020-07-20 10:40:56,544 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-07-20 10:40:56,545 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-07-20 10:40:56,546 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-07-20 10:40:56,547 INFO L268 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-07-20 10:40:56,547 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-07-20 10:40:56,547 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-20 10:40:56,547 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-07-20 10:40:56,547 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-07-20 10:40:56,548 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 10:40:56,548 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 10:40:56,548 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2020-07-20 10:40:56,549 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2020-07-20 10:40:56,549 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2020-07-20 10:40:56,549 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,549 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-20 10:40:56,549 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,550 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,550 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-20 10:40:56,550 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2020-07-20 10:40:56,550 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-20 10:40:56,550 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,551 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,551 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,551 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-20 10:40:56,551 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2020-07-20 10:40:56,551 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2020-07-20 10:40:56,551 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-20 10:40:56,552 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-20 10:40:56,553 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-20 10:40:56,553 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-20 10:40:56,553 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-20 10:40:56,553 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:56,553 INFO L268 CegarLoopResult]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2020-07-20 10:40:56,553 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:56,553 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:56,554 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2020-07-20 10:40:56,554 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:56,554 INFO L268 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2020-07-20 10:40:56,554 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:56,554 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-20 10:40:56,554 INFO L268 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2020-07-20 10:40:56,554 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2020-07-20 10:40:56,554 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= 0 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7) (or .cse1 .cse2 .cse7) (or .cse2 .cse5 .cse6))) [2020-07-20 10:40:56,555 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse1 .cse3 .cse4))) [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-20 10:40:56,555 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-07-20 10:40:56,555 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point L367(lines 367 375) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-20 10:40:56,556 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2020-07-20 10:40:56,556 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-07-20 10:40:56,557 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-20 10:40:56,558 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-07-20 10:40:56,558 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,558 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2020-07-20 10:40:56,558 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2020-07-20 10:40:56,558 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2020-07-20 10:40:56,558 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2020-07-20 10:40:56,559 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-20 10:40:56,559 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-20 10:40:56,559 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2020-07-20 10:40:56,559 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: true [2020-07-20 10:40:56,559 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2020-07-20 10:40:56,559 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2020-07-20 10:40:56,559 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-20 10:40:56,560 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2020-07-20 10:40:56,560 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2020-07-20 10:40:56,560 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2020-07-20 10:40:56,560 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:56,560 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 10:40:56,560 INFO L268 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2020-07-20 10:40:56,560 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2020-07-20 10:40:56,561 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:56,561 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:56,561 INFO L268 CegarLoopResult]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2020-07-20 10:40:56,561 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:56,561 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))) [2020-07-20 10:40:56,562 INFO L268 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-07-20 10:40:56,562 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2020-07-20 10:40:56,562 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2020-07-20 10:40:56,562 INFO L264 CegarLoopResult]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,562 INFO L268 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-07-20 10:40:56,562 INFO L268 CegarLoopResult]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2020-07-20 10:40:56,563 INFO L264 CegarLoopResult]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:56,563 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse1) (and .cse3 .cse5 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:40:56,563 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-20 10:40:56,563 INFO L264 CegarLoopResult]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse4 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:40:56,563 INFO L268 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2020-07-20 10:40:56,563 INFO L268 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2020-07-20 10:40:56,564 INFO L264 CegarLoopResult]: At program point L464(line 464) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:40:56,564 INFO L268 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-07-20 10:40:56,564 INFO L268 CegarLoopResult]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2020-07-20 10:40:56,564 INFO L264 CegarLoopResult]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:40:56,565 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-07-20 10:40:56,565 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2020-07-20 10:40:56,566 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2020-07-20 10:40:56,567 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-07-20 10:40:56,568 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-07-20 10:40:56,569 INFO L268 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-07-20 10:40:56,570 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,570 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~waterLevel~0)| ~waterLevel~0) [2020-07-20 10:40:56,570 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,570 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:56,570 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-20 10:40:56,570 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2020-07-20 10:40:56,571 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:56,571 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:40:56,571 INFO L268 CegarLoopResult]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2020-07-20 10:40:56,571 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-07-20 10:40:56,571 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2020-07-20 10:40:56,571 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-20 10:40:56,571 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-20 10:40:56,572 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2020-07-20 10:40:56,572 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2020-07-20 10:40:56,572 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-20 10:40:56,572 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2020-07-20 10:40:56,572 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-20 10:40:56,572 INFO L268 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2020-07-20 10:40:56,572 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse6))) [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,573 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2020-07-20 10:40:56,573 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2020-07-20 10:40:56,574 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2020-07-20 10:40:56,574 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse3 .cse7)) (.cse8 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse4 .cse1 .cse8 .cse2 .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse8 .cse2 .cse5 .cse6) (or .cse1 .cse9 .cse8 .cse2) (or .cse9 .cse8 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7)))) [2020-07-20 10:40:56,574 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse4 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse6 .cse3 .cse5 .cse7) (or .cse3 .cse0 .cse8 .cse9) (or .cse3 .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse3 .cse5 .cse8 .cse9) (or .cse6 .cse3 .cse0 .cse7))) [2020-07-20 10:40:56,575 INFO L264 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse9 (and .cse5 .cse8)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse3)) (or .cse0 .cse4 .cse6 .cse7 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3) (or .cse1 .cse7 .cse2 .cse8) (or .cse4 .cse9 .cse6 .cse7) (or .cse9 .cse6 .cse7 .cse2) (or .cse1 .cse4 .cse7 .cse8) (or .cse1 .cse4 .cse10 (and .cse11 .cse5)) (or .cse1 .cse2 .cse11 .cse10)))) [2020-07-20 10:40:56,575 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2020-07-20 10:40:56,575 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2020-07-20 10:40:56,575 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse0 .cse2 .cse5) (or .cse3 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7))) [2020-07-20 10:40:56,575 INFO L268 CegarLoopResult]: For program point L228(lines 227 246) no Hoare annotation was computed. [2020-07-20 10:40:56,575 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2020-07-20 10:40:56,576 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2020-07-20 10:40:56,576 INFO L271 CegarLoopResult]: At program point L891(lines 866 895) the Hoare annotation is: true [2020-07-20 10:40:56,576 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-20 10:40:56,576 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-20 10:40:56,576 INFO L271 CegarLoopResult]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2020-07-20 10:40:56,576 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-20 10:40:56,576 INFO L271 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2020-07-20 10:40:56,576 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-20 10:40:56,577 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-20 10:40:56,577 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-20 10:40:56,577 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse4))) [2020-07-20 10:40:56,577 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-20 10:40:56,577 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2020-07-20 10:40:56,577 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2020-07-20 10:40:56,577 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,578 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:40:56,578 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:56,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:56,578 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2020-07-20 10:40:56,578 INFO L268 CegarLoopResult]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2020-07-20 10:40:56,578 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse7 .cse6) (or .cse0 .cse7 .cse3) (or .cse5 .cse7 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse6 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2020-07-20 10:40:56,579 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-20 10:40:56,579 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-20 10:40:56,579 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-20 10:40:56,579 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-20 10:40:56,579 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 10:40:56,579 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse4) (or .cse1 .cse3 .cse2))) [2020-07-20 10:40:56,579 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 10:40:56,580 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 10:40:56,580 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (<= 1 ~systemActive~0)) .cse0))) [2020-07-20 10:40:56,580 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 10:40:56,580 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 10:40:56,580 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 10:40:56,580 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 10:40:56,580 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 10:40:56,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:40:56 BoogieIcfgContainer [2020-07-20 10:40:56,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:40:56,603 INFO L168 Benchmark]: Toolchain (without parser) took 18405.77 ms. Allocated memory was 147.3 MB in the beginning and 466.1 MB in the end (delta: 318.8 MB). Free memory was 104.0 MB in the beginning and 176.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 291.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,604 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.48 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.8 MB in the beginning and 172.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,605 INFO L168 Benchmark]: Boogie Preprocessor took 87.26 ms. Allocated memory is still 203.4 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,606 INFO L168 Benchmark]: RCFGBuilder took 1178.35 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 195.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,607 INFO L168 Benchmark]: TraceAbstraction took 16473.01 ms. Allocated memory was 236.5 MB in the beginning and 466.1 MB in the end (delta: 229.6 MB). Free memory was 195.9 MB in the beginning and 176.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 293.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:56,611 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.48 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.8 MB in the beginning and 172.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.26 ms. Allocated memory is still 203.4 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.35 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 195.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16473.01 ms. Allocated memory was 236.5 MB in the beginning and 466.1 MB in the end (delta: 229.6 MB). Free memory was 195.9 MB in the beginning and 176.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 293.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((1 <= methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1902 SDtfs, 933 SDslu, 3377 SDs, 0 SdLazy, 1308 SolverSat, 221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 866 GetRequests, 827 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2637occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 267 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4220 PreInvPairs, 4497 NumberOfFragments, 2167 HoareAnnotationTreeSize, 4220 FomulaSimplifications, 4318 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 16556 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 869 NumberOfCodeBlocks, 869 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 149881 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7417 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 85/85 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...