java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:11,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:11,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:11,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:11,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:11,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:11,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:11,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:11,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:11,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:11,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:11,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:11,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:11,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:11,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:11,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:11,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:12,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:12,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:12,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:12,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:12,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:12,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:12,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:12,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:12,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:12,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:12,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:12,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:12,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:12,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:12,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:12,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:12,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:12,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:12,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:12,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:12,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:12,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:12,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:12,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:12,022 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 [2019-10-15 01:19:12,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:12,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:12,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:12,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:12,046 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:12,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:12,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:12,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:12,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:12,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:12,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:12,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:12,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:12,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:12,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:12,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:12,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:12,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:12,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:12,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:12,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:12,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:12,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:12,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:12,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:12,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:12,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:12,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:12,360 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:12,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-15 01:19:12,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29603f9de/2c505f7d826149eba6d6ae4d307db6a9/FLAGb0656f8b4 [2019-10-15 01:19:13,002 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:13,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-15 01:19:13,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29603f9de/2c505f7d826149eba6d6ae4d307db6a9/FLAGb0656f8b4 [2019-10-15 01:19:13,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29603f9de/2c505f7d826149eba6d6ae4d307db6a9 [2019-10-15 01:19:13,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:13,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:13,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:13,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:13,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:13,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419573bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13, skipping insertion in model container [2019-10-15 01:19:13,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:13,317 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:13,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,781 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:13,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,948 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:13,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13 WrapperNode [2019-10-15 01:19:13,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:13,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:13,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:13,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:13,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:14,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:14,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:14,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:14,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:14,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:14,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:14,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:14,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (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 [2019-10-15 01:19:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:15,329 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:15,332 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:15,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:15 BoogieIcfgContainer [2019-10-15 01:19:15,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:15,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:15,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:15,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:15,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:13" (1/3) ... [2019-10-15 01:19:15,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd571f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13" (2/3) ... [2019-10-15 01:19:15,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd571f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:15" (3/3) ... [2019-10-15 01:19:15,345 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2019-10-15 01:19:15,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:15,368 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:15,380 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:15,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:15,419 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:15,419 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:15,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:15,420 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:15,420 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:15,421 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:15,421 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2019-10-15 01:19:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:15,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,457 INFO L380 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] [2019-10-15 01:19:15,460 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1495966497, now seen corresponding path program 1 times [2019-10-15 01:19:15,476 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313888227] [2019-10-15 01:19:15,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313888227] [2019-10-15 01:19:15,899 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,900 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:15,900 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217135276] [2019-10-15 01:19:15,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:15,911 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:15,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:15,930 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2019-10-15 01:19:15,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,983 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2019-10-15 01:19:15,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:15,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,012 INFO L225 Difference]: With dead ends: 320 [2019-10-15 01:19:16,012 INFO L226 Difference]: Without dead ends: 160 [2019-10-15 01:19:16,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-15 01:19:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-15 01:19:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-15 01:19:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2019-10-15 01:19:16,135 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2019-10-15 01:19:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,136 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2019-10-15 01:19:16,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2019-10-15 01:19:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:16,149 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,149 INFO L380 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] [2019-10-15 01:19:16,149 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1681348133, now seen corresponding path program 1 times [2019-10-15 01:19:16,151 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378195741] [2019-10-15 01:19:16,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,318 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378195741] [2019-10-15 01:19:16,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:16,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262734830] [2019-10-15 01:19:16,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:16,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:16,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:16,323 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2019-10-15 01:19:16,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,381 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2019-10-15 01:19:16,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:16,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,387 INFO L225 Difference]: With dead ends: 259 [2019-10-15 01:19:16,388 INFO L226 Difference]: Without dead ends: 151 [2019-10-15 01:19:16,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:16,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-15 01:19:16,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-10-15 01:19:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-15 01:19:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2019-10-15 01:19:16,405 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2019-10-15 01:19:16,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,406 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2019-10-15 01:19:16,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2019-10-15 01:19:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:16,408 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,408 INFO L380 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] [2019-10-15 01:19:16,409 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,409 INFO L82 PathProgramCache]: Analyzing trace with hash 833077427, now seen corresponding path program 1 times [2019-10-15 01:19:16,409 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098922294] [2019-10-15 01:19:16,410 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,410 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098922294] [2019-10-15 01:19:16,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:16,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413892875] [2019-10-15 01:19:16,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:16,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:16,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:16,568 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2019-10-15 01:19:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,159 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2019-10-15 01:19:17,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:17,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:19:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,164 INFO L225 Difference]: With dead ends: 455 [2019-10-15 01:19:17,164 INFO L226 Difference]: Without dead ends: 328 [2019-10-15 01:19:17,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-15 01:19:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2019-10-15 01:19:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-15 01:19:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2019-10-15 01:19:17,223 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2019-10-15 01:19:17,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,224 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2019-10-15 01:19:17,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2019-10-15 01:19:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:17,226 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,227 INFO L380 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] [2019-10-15 01:19:17,227 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1106348516, now seen corresponding path program 1 times [2019-10-15 01:19:17,228 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342172672] [2019-10-15 01:19:17,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342172672] [2019-10-15 01:19:17,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:17,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337224272] [2019-10-15 01:19:17,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:17,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:17,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:17,377 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2019-10-15 01:19:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,656 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2019-10-15 01:19:17,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,663 INFO L225 Difference]: With dead ends: 885 [2019-10-15 01:19:17,663 INFO L226 Difference]: Without dead ends: 593 [2019-10-15 01:19:17,667 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:17,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-15 01:19:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2019-10-15 01:19:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-15 01:19:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2019-10-15 01:19:17,751 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2019-10-15 01:19:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,753 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2019-10-15 01:19:17,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2019-10-15 01:19:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:17,759 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,759 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,760 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1073775336, now seen corresponding path program 1 times [2019-10-15 01:19:17,760 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004909139] [2019-10-15 01:19:17,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004909139] [2019-10-15 01:19:17,894 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,894 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:17,894 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527500631] [2019-10-15 01:19:17,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:17,896 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:17,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:17,899 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2019-10-15 01:19:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,733 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2019-10-15 01:19:18,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:18,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 01:19:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,741 INFO L225 Difference]: With dead ends: 1538 [2019-10-15 01:19:18,741 INFO L226 Difference]: Without dead ends: 975 [2019-10-15 01:19:18,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:18,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2019-10-15 01:19:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2019-10-15 01:19:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2019-10-15 01:19:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2019-10-15 01:19:18,813 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2019-10-15 01:19:18,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,813 INFO L462 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2019-10-15 01:19:18,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2019-10-15 01:19:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:18,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,817 INFO L380 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, 1, 1] [2019-10-15 01:19:18,817 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,818 INFO L82 PathProgramCache]: Analyzing trace with hash 2112269386, now seen corresponding path program 1 times [2019-10-15 01:19:18,818 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880401264] [2019-10-15 01:19:18,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880401264] [2019-10-15 01:19:18,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,955 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:18,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351470280] [2019-10-15 01:19:18,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:18,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:18,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:18,956 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2019-10-15 01:19:19,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,023 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2019-10-15 01:19:19,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:19,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-15 01:19:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,030 INFO L225 Difference]: With dead ends: 1758 [2019-10-15 01:19:19,030 INFO L226 Difference]: Without dead ends: 905 [2019-10-15 01:19:19,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:19,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-10-15 01:19:19,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2019-10-15 01:19:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2019-10-15 01:19:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2019-10-15 01:19:19,089 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2019-10-15 01:19:19,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:19,090 INFO L462 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2019-10-15 01:19:19,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2019-10-15 01:19:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:19,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:19,093 INFO L380 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, 1, 1] [2019-10-15 01:19:19,093 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:19,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:19,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1759181004, now seen corresponding path program 1 times [2019-10-15 01:19:19,094 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:19,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057839219] [2019-10-15 01:19:19,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:19,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057839219] [2019-10-15 01:19:19,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:19,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:19,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772098818] [2019-10-15 01:19:19,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:19,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:19,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:19,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:19,260 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2019-10-15 01:19:19,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,328 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2019-10-15 01:19:19,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:19,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-15 01:19:19,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,334 INFO L225 Difference]: With dead ends: 1798 [2019-10-15 01:19:19,335 INFO L226 Difference]: Without dead ends: 925 [2019-10-15 01:19:19,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2019-10-15 01:19:19,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2019-10-15 01:19:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-10-15 01:19:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2019-10-15 01:19:19,398 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2019-10-15 01:19:19,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:19,398 INFO L462 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2019-10-15 01:19:19,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2019-10-15 01:19:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:19,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:19,404 INFO L380 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, 1, 1] [2019-10-15 01:19:19,405 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:19,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1402595699, now seen corresponding path program 1 times [2019-10-15 01:19:19,406 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:19,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964591091] [2019-10-15 01:19:19,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:19,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964591091] [2019-10-15 01:19:19,507 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:19,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:19,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989566136] [2019-10-15 01:19:19,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:19,508 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:19,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:19,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:19,510 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2019-10-15 01:19:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,881 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2019-10-15 01:19:19,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:19,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-15 01:19:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,894 INFO L225 Difference]: With dead ends: 2891 [2019-10-15 01:19:19,894 INFO L226 Difference]: Without dead ends: 2002 [2019-10-15 01:19:19,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:19,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2019-10-15 01:19:20,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2019-10-15 01:19:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2019-10-15 01:19:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2019-10-15 01:19:20,033 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2019-10-15 01:19:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:20,034 INFO L462 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2019-10-15 01:19:20,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2019-10-15 01:19:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:19:20,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:20,039 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:20,039 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:20,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:20,039 INFO L82 PathProgramCache]: Analyzing trace with hash -859026489, now seen corresponding path program 1 times [2019-10-15 01:19:20,040 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:20,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119274608] [2019-10-15 01:19:20,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:20,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:20,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:20,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119274608] [2019-10-15 01:19:20,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126519799] [2019-10-15 01:19:20,188 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:20,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:20,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:20,730 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:21,989 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:21,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:21,990 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066570643] [2019-10-15 01:19:21,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:21,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:21,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:21,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,991 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 8 states. [2019-10-15 01:19:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:22,485 INFO L93 Difference]: Finished difference Result 3888 states and 4824 transitions. [2019-10-15 01:19:22,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:22,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:19:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:22,498 INFO L225 Difference]: With dead ends: 3888 [2019-10-15 01:19:22,499 INFO L226 Difference]: Without dead ends: 1941 [2019-10-15 01:19:22,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2019-10-15 01:19:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1941. [2019-10-15 01:19:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2019-10-15 01:19:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2349 transitions. [2019-10-15 01:19:22,620 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2349 transitions. Word has length 108 [2019-10-15 01:19:22,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:22,620 INFO L462 AbstractCegarLoop]: Abstraction has 1941 states and 2349 transitions. [2019-10-15 01:19:22,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2349 transitions. [2019-10-15 01:19:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 01:19:22,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:22,629 INFO L380 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:22,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:22,836 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:22,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:22,837 INFO L82 PathProgramCache]: Analyzing trace with hash 502604241, now seen corresponding path program 1 times [2019-10-15 01:19:22,837 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:22,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561095428] [2019-10-15 01:19:22,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:23,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561095428] [2019-10-15 01:19:23,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563171871] [2019-10-15 01:19:23,063 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:23,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:23,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:23,431 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:24,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:24,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:24,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627205029] [2019-10-15 01:19:24,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:24,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:24,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:24,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,018 INFO L87 Difference]: Start difference. First operand 1941 states and 2349 transitions. Second operand 8 states. [2019-10-15 01:19:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:24,385 INFO L93 Difference]: Finished difference Result 3275 states and 4035 transitions. [2019-10-15 01:19:24,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:24,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2019-10-15 01:19:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:24,387 INFO L225 Difference]: With dead ends: 3275 [2019-10-15 01:19:24,387 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:24,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:24,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:24,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-15 01:19:24,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:24,397 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:24,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:24,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:24,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:24,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:26,008 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:19:26,321 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:19:26,431 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:19:26,553 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-15 01:19:26,790 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-15 01:19:26,953 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-15 01:19:27,205 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-15 01:19:27,812 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-15 01:19:28,477 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-15 01:19:28,920 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:19:29,326 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2019-10-15 01:19:29,871 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:19:30,020 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:19:30,237 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-15 01:19:30,300 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 213) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L214(lines 191 215) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 167 222) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 167 222) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 167 222) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L255(lines 255 259) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L255-1(lines 255 259) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-15 01:19:30,301 INFO L443 ceAbstractionStarter]: For program point L249-2(lines 249 274) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 223 282) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point L275(lines 248 276) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 223 282) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 223 282) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-15 01:19:30,302 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-15 01:19:30,302 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-15 01:19:30,303 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,303 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,303 INFO L439 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,303 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2019-10-15 01:19:30,303 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2019-10-15 01:19:30,304 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2019-10-15 01:19:30,304 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-15 01:19:30,304 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,304 INFO L439 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,304 INFO L439 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,304 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 516 539) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 516 539) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 516 539) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-15 01:19:30,305 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:19:30,306 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2019-10-15 01:19:30,306 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:30,307 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-15 01:19:30,307 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:30,307 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2019-10-15 01:19:30,307 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L446 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-15 01:19:30,308 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2019-10-15 01:19:30,308 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 770) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L762-2(lines 762 770) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L785-1(line 785) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 755 790) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 755 790) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 755 790) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-15 01:19:30,309 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 121 166) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 121 166) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 121 166) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 468) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 448 468) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 434 479) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 434 479) no Hoare annotation was computed. [2019-10-15 01:19:30,310 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 461) no Hoare annotation was computed. [2019-10-15 01:19:30,311 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 434 479) no Hoare annotation was computed. [2019-10-15 01:19:30,311 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,311 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2019-10-15 01:19:30,311 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2019-10-15 01:19:30,311 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2019-10-15 01:19:30,311 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2019-10-15 01:19:30,311 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2019-10-15 01:19:30,312 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-15 01:19:30,312 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-15 01:19:30,312 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:30,312 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-15 01:19:30,312 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2019-10-15 01:19:30,312 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-15 01:19:30,312 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2019-10-15 01:19:30,313 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2019-10-15 01:19:30,313 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2019-10-15 01:19:30,313 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:30,313 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2019-10-15 01:19:30,313 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2019-10-15 01:19:30,313 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:30,313 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:30,314 INFO L439 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse3) .cse1) (or .cse4 .cse0 .cse1))) [2019-10-15 01:19:30,314 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2019-10-15 01:19:30,314 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-15 01:19:30,314 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-15 01:19:30,314 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2019-10-15 01:19:30,314 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2019-10-15 01:19:30,315 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2019-10-15 01:19:30,315 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,315 INFO L439 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:30,315 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-15 01:19:30,315 INFO L443 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2019-10-15 01:19:30,315 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2019-10-15 01:19:30,316 INFO L439 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:30,316 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:30,316 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2019-10-15 01:19:30,316 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2019-10-15 01:19:30,316 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2019-10-15 01:19:30,316 INFO L439 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:30,316 INFO L439 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:30,317 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2019-10-15 01:19:30,317 INFO L439 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:30,317 INFO L443 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2019-10-15 01:19:30,317 INFO L439 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:30,317 INFO L443 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2019-10-15 01:19:30,317 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 388 433) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 415) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 388 433) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 422) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 388 433) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2019-10-15 01:19:30,318 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point L909-2(lines 909 917) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 901 923) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 901 923) no Hoare annotation was computed. [2019-10-15 01:19:30,319 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 901 923) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 285 387) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 330) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 381) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point L335(lines 334 354) no Hoare annotation was computed. [2019-10-15 01:19:30,320 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L366-1(line 366) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 372) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 285 387) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 384) no Hoare annotation was computed. [2019-10-15 01:19:30,321 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 285 387) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 340) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 354) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L443 ceAbstractionStarter]: For program point L355(lines 333 356) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:30,322 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,322 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:30,323 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2019-10-15 01:19:30,323 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-10-15 01:19:30,323 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2019-10-15 01:19:30,323 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:30,323 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-15 01:19:30,323 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 924 932) no Hoare annotation was computed. [2019-10-15 01:19:30,324 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 924 932) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-15 01:19:30,325 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-10-15 01:19:30,326 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2019-10-15 01:19:30,326 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2019-10-15 01:19:30,326 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2019-10-15 01:19:30,326 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-15 01:19:30,326 INFO L439 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse6 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-15 01:19:30,327 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-15 01:19:30,327 INFO L443 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2019-10-15 01:19:30,327 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-15 01:19:30,327 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2019-10-15 01:19:30,327 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2019-10-15 01:19:30,327 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2019-10-15 01:19:30,328 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2019-10-15 01:19:30,328 INFO L446 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2019-10-15 01:19:30,328 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-15 01:19:30,328 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2019-10-15 01:19:30,328 INFO L446 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2019-10-15 01:19:30,328 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-15 01:19:30,328 INFO L446 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2019-10-15 01:19:30,329 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-10-15 01:19:30,329 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-10-15 01:19:30,329 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2019-10-15 01:19:30,329 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2019-10-15 01:19:30,329 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2019-10-15 01:19:30,329 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2019-10-15 01:19:30,329 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2019-10-15 01:19:30,329 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,329 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:30,330 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:30,330 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:30,330 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2019-10-15 01:19:30,330 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: true [2019-10-15 01:19:30,330 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2019-10-15 01:19:30,330 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:30,330 INFO L439 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)))) [2019-10-15 01:19:30,331 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2019-10-15 01:19:30,331 INFO L439 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-15 01:19:30,331 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2019-10-15 01:19:30,331 INFO L439 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:19:30,331 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-15 01:19:30,331 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2019-10-15 01:19:30,331 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:30,331 INFO L443 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:19:30,332 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2019-10-15 01:19:30,333 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2019-10-15 01:19:30,333 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-15 01:19:30,333 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-15 01:19:30,333 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2019-10-15 01:19:30,333 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2019-10-15 01:19:30,333 INFO L439 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:19:30,333 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2019-10-15 01:19:30,333 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:30,334 INFO L443 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2019-10-15 01:19:30,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:30 BoogieIcfgContainer [2019-10-15 01:19:30,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:30,352 INFO L168 Benchmark]: Toolchain (without parser) took 17105.76 ms. Allocated memory was 137.9 MB in the beginning and 540.0 MB in the end (delta: 402.1 MB). Free memory was 100.9 MB in the beginning and 316.4 MB in the end (delta: -215.5 MB). Peak memory consumption was 344.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,353 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:19:30,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.36 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 167.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,354 INFO L168 Benchmark]: Boogie Preprocessor took 96.09 ms. Allocated memory is still 202.4 MB. Free memory was 167.1 MB in the beginning and 163.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,355 INFO L168 Benchmark]: RCFGBuilder took 1288.01 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.2 MB in the beginning and 190.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,356 INFO L168 Benchmark]: TraceAbstraction took 15014.75 ms. Allocated memory was 234.9 MB in the beginning and 540.0 MB in the end (delta: 305.1 MB). Free memory was 190.4 MB in the beginning and 316.4 MB in the end (delta: -126.1 MB). Peak memory consumption was 337.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:30,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.36 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 167.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.09 ms. Allocated memory is still 202.4 MB. Free memory was 167.1 MB in the beginning and 163.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1288.01 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.2 MB in the beginning and 190.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15014.75 ms. Allocated memory was 234.9 MB in the beginning and 540.0 MB in the end (delta: 305.1 MB). Free memory was 190.4 MB in the beginning and 316.4 MB in the end (delta: -126.1 MB). Peak memory consumption was 337.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Result: SAFE, OverallTime: 14.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 2226 SDtfs, 1191 SDslu, 5467 SDs, 0 SdLazy, 1636 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 672 GetRequests, 573 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1971occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 167 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 3996 PreInvPairs, 4253 NumberOfFragments, 1957 HoareAnnotationTreeSize, 3996 FomulaSimplifications, 4128 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 73 FomulaSimplificationsInter, 16171 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1419 ConstructedInterpolants, 0 QuantifiedInterpolants, 263014 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1750 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 169/177 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...