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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:55,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:55,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:55,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:55,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:55,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:55,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:55,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:55,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:55,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:55,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:55,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:55,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:55,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:55,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:55,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:55,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:55,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:55,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:55,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:55,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:55,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:55,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:55,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:55,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:55,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:55,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:55,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:55,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:55,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:55,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:55,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:55,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:55,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:55,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:55,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:55,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:55,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:55,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:55,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:55,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:55,698 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 [2019-10-07 15:15:55,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:55,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:55,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:55,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:55,724 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:55,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:55,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:55,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:55,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:55,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:55,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:55,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:55,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:55,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:55,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:55,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:55,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:55,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:55,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:55,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:55,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:55,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:55,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:55,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:55,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:55,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:55,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:55,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:55,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:56,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:56,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:56,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:56,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:56,075 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:56,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-07 15:15:56,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16b54eab/ab03139e5fe44f2c9df11257976a596f/FLAGb4e3f21b4 [2019-10-07 15:15:56,680 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:56,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-07 15:15:56,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16b54eab/ab03139e5fe44f2c9df11257976a596f/FLAGb4e3f21b4 [2019-10-07 15:15:56,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16b54eab/ab03139e5fe44f2c9df11257976a596f [2019-10-07 15:15:56,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:56,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:56,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:56,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:56,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:56,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:56" (1/1) ... [2019-10-07 15:15:56,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c65c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:56, skipping insertion in model container [2019-10-07 15:15:56,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:56" (1/1) ... [2019-10-07 15:15:56,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:57,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:57,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:57,532 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:57,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:57,714 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:57,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57 WrapperNode [2019-10-07 15:15:57,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:57,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:57,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:57,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:57,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (1/1) ... [2019-10-07 15:15:57,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:57,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:57,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:57,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:57,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (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 [2019-10-07 15:15:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:15:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:15:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:15:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:15:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:59,695 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:59,695 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:59,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:59 BoogieIcfgContainer [2019-10-07 15:15:59,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:59,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:59,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:59,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:59,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:56" (1/3) ... [2019-10-07 15:15:59,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ddf5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:59, skipping insertion in model container [2019-10-07 15:15:59,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:57" (2/3) ... [2019-10-07 15:15:59,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ddf5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:59, skipping insertion in model container [2019-10-07 15:15:59,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:59" (3/3) ... [2019-10-07 15:15:59,711 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2019-10-07 15:15:59,723 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:59,732 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:59,743 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:59,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:59,784 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:59,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:59,784 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:59,784 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:59,784 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:59,785 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:59,785 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2019-10-07 15:15:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:59,822 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:59,824 INFO L385 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] [2019-10-07 15:15:59,827 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:59,834 INFO L82 PathProgramCache]: Analyzing trace with hash -471381877, now seen corresponding path program 1 times [2019-10-07 15:15:59,844 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:59,847 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:59,847 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:59,847 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:59,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:00,286 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:00,287 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:00,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:00,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:00,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:00,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:00,307 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2019-10-07 15:16:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:00,351 INFO L93 Difference]: Finished difference Result 273 states and 336 transitions. [2019-10-07 15:16:00,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:00,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:16:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:00,367 INFO L225 Difference]: With dead ends: 273 [2019-10-07 15:16:00,367 INFO L226 Difference]: Without dead ends: 137 [2019-10-07 15:16:00,372 INFO L606 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 [2019-10-07 15:16:00,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-07 15:16:00,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-07 15:16:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-07 15:16:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2019-10-07 15:16:00,431 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 42 [2019-10-07 15:16:00,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:00,434 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2019-10-07 15:16:00,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2019-10-07 15:16:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:16:00,439 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:00,439 INFO L385 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] [2019-10-07 15:16:00,440 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash 519651401, now seen corresponding path program 1 times [2019-10-07 15:16:00,442 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:00,442 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:00,442 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:00,442 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:00,609 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:00,609 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:00,609 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:00,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:00,613 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand 3 states. [2019-10-07 15:16:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:00,662 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2019-10-07 15:16:00,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:00,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:16:00,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:00,669 INFO L225 Difference]: With dead ends: 221 [2019-10-07 15:16:00,670 INFO L226 Difference]: Without dead ends: 129 [2019-10-07 15:16:00,675 INFO L606 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 [2019-10-07 15:16:00,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-07 15:16:00,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-07 15:16:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-07 15:16:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2019-10-07 15:16:00,701 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 43 [2019-10-07 15:16:00,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:00,702 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2019-10-07 15:16:00,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2019-10-07 15:16:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:00,707 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:00,708 INFO L385 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] [2019-10-07 15:16:00,709 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:00,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:00,709 INFO L82 PathProgramCache]: Analyzing trace with hash 61008957, now seen corresponding path program 1 times [2019-10-07 15:16:00,710 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:00,710 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:00,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:00,710 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:00,883 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:00,883 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:00,883 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:00,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:00,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:00,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:00,885 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2019-10-07 15:16:01,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:01,446 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2019-10-07 15:16:01,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:16:01,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:16:01,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:01,450 INFO L225 Difference]: With dead ends: 388 [2019-10-07 15:16:01,451 INFO L226 Difference]: Without dead ends: 281 [2019-10-07 15:16:01,452 INFO L606 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 [2019-10-07 15:16:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-10-07 15:16:01,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2019-10-07 15:16:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-10-07 15:16:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 324 transitions. [2019-10-07 15:16:01,498 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 324 transitions. Word has length 47 [2019-10-07 15:16:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:01,498 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 324 transitions. [2019-10-07 15:16:01,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 324 transitions. [2019-10-07 15:16:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:16:01,504 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:01,505 INFO L385 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] [2019-10-07 15:16:01,505 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:01,508 INFO L82 PathProgramCache]: Analyzing trace with hash 53947420, now seen corresponding path program 1 times [2019-10-07 15:16:01,508 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:01,508 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:01,509 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:01,509 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:01,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:01,629 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:01,629 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:01,629 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:01,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:01,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:01,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:01,632 INFO L87 Difference]: Start difference. First operand 269 states and 324 transitions. Second operand 6 states. [2019-10-07 15:16:01,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:01,918 INFO L93 Difference]: Finished difference Result 748 states and 921 transitions. [2019-10-07 15:16:01,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:01,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:16:01,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:01,932 INFO L225 Difference]: With dead ends: 748 [2019-10-07 15:16:01,932 INFO L226 Difference]: Without dead ends: 501 [2019-10-07 15:16:01,934 INFO L606 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 [2019-10-07 15:16:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-10-07 15:16:02,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 489. [2019-10-07 15:16:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-07 15:16:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 594 transitions. [2019-10-07 15:16:02,040 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 594 transitions. Word has length 51 [2019-10-07 15:16:02,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:02,050 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 594 transitions. [2019-10-07 15:16:02,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 594 transitions. [2019-10-07 15:16:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:16:02,057 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:02,057 INFO L385 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] [2019-10-07 15:16:02,057 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:02,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:02,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1169125624, now seen corresponding path program 1 times [2019-10-07 15:16:02,058 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:02,058 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:02,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:02,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:02,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:02,150 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:02,150 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:02,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:02,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:02,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:02,151 INFO L87 Difference]: Start difference. First operand 489 states and 594 transitions. Second operand 7 states. [2019-10-07 15:16:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:02,808 INFO L93 Difference]: Finished difference Result 1307 states and 1704 transitions. [2019-10-07 15:16:02,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:16:02,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:16:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:02,817 INFO L225 Difference]: With dead ends: 1307 [2019-10-07 15:16:02,817 INFO L226 Difference]: Without dead ends: 840 [2019-10-07 15:16:02,820 INFO L606 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 [2019-10-07 15:16:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2019-10-07 15:16:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 751. [2019-10-07 15:16:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-10-07 15:16:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 901 transitions. [2019-10-07 15:16:02,903 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 901 transitions. Word has length 54 [2019-10-07 15:16:02,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:02,904 INFO L462 AbstractCegarLoop]: Abstraction has 751 states and 901 transitions. [2019-10-07 15:16:02,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 901 transitions. [2019-10-07 15:16:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-07 15:16:02,906 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:02,907 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:16:02,907 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -20884908, now seen corresponding path program 1 times [2019-10-07 15:16:02,908 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:02,908 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:02,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:02,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:16:03,096 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:03,096 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:16:03,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -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 [2019-10-07 15:16:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:03,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:16:03,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:16:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:03,392 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:16:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:16:04,061 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:16:04,061 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-07 15:16:04,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:16:04,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:16:04,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-07 15:16:04,064 INFO L87 Difference]: Start difference. First operand 751 states and 901 transitions. Second operand 11 states. [2019-10-07 15:16:04,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:04,803 INFO L93 Difference]: Finished difference Result 1807 states and 2261 transitions. [2019-10-07 15:16:04,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:16:04,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2019-10-07 15:16:04,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:04,811 INFO L225 Difference]: With dead ends: 1807 [2019-10-07 15:16:04,812 INFO L226 Difference]: Without dead ends: 1078 [2019-10-07 15:16:04,815 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:16:04,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2019-10-07 15:16:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1058. [2019-10-07 15:16:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2019-10-07 15:16:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1284 transitions. [2019-10-07 15:16:04,913 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1284 transitions. Word has length 90 [2019-10-07 15:16:04,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:04,914 INFO L462 AbstractCegarLoop]: Abstraction has 1058 states and 1284 transitions. [2019-10-07 15:16:04,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:16:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1284 transitions. [2019-10-07 15:16:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 15:16:04,922 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:04,923 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:05,137 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:16:05,137 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:05,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:05,138 INFO L82 PathProgramCache]: Analyzing trace with hash 820878287, now seen corresponding path program 1 times [2019-10-07 15:16:05,138 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:05,138 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:05,138 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:05,138 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:05,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 15:16:05,399 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:05,399 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:16:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -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 [2019-10-07 15:16:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:05,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:16:05,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:16:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:16:05,807 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:16:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-07 15:16:06,312 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:16:06,313 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:16:06,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:16:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:16:06,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:16:06,314 INFO L87 Difference]: Start difference. First operand 1058 states and 1284 transitions. Second operand 11 states. [2019-10-07 15:16:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:07,076 INFO L93 Difference]: Finished difference Result 2617 states and 3249 transitions. [2019-10-07 15:16:07,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:16:07,114 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-10-07 15:16:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:07,115 INFO L225 Difference]: With dead ends: 2617 [2019-10-07 15:16:07,115 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:07,121 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:16:07,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:07,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-10-07 15:16:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:07,123 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:07,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:16:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:07,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:07,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:16:07,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:08,630 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 14 [2019-10-07 15:16:09,879 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 213) no Hoare annotation was computed. [2019-10-07 15:16:09,879 INFO L443 ceAbstractionStarter]: For program point L214(lines 191 215) no Hoare annotation was computed. [2019-10-07 15:16:09,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 167 222) no Hoare annotation was computed. [2019-10-07 15:16:09,879 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-10-07 15:16:09,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 167 222) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point L255(lines 255 259) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point L249-2(lines 249 274) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 223 282) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point L275(lines 248 276) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 223 282) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 223 282) no Hoare annotation was computed. [2019-10-07 15:16:09,880 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-07 15:16:09,881 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-07 15:16:09,881 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-07 15:16:09,881 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-07 15:16:09,881 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,881 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,881 INFO L439 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,882 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2019-10-07 15:16:09,882 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2019-10-07 15:16:09,882 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2019-10-07 15:16:09,882 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-07 15:16:09,882 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,882 INFO L439 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,882 INFO L439 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,882 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 516 539) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 516 539) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 516 539) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-07 15:16:09,883 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-07 15:16:09,884 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:16:09,885 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2019-10-07 15:16:09,885 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,885 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,885 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-07 15:16:09,885 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,885 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,885 INFO L443 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:16:09,886 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0))) [2019-10-07 15:16:09,886 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2019-10-07 15:16:09,886 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2019-10-07 15:16:09,887 INFO L446 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-07 15:16:09,887 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point L785-1(line 785) no Hoare annotation was computed. [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 755 790) no Hoare annotation was computed. [2019-10-07 15:16:09,887 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 755 790) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 121 166) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 121 166) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 434 479) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 434 479) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2019-10-07 15:16:09,888 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2019-10-07 15:16:09,889 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2019-10-07 15:16:09,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2019-10-07 15:16:09,889 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-07 15:16:09,889 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-07 15:16:09,889 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:09,889 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-07 15:16:09,889 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2019-10-07 15:16:09,889 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2019-10-07 15:16:09,890 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-07 15:16:09,890 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2019-10-07 15:16:09,890 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2019-10-07 15:16:09,890 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:09,890 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:16:09,890 INFO L439 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:16:09,890 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2019-10-07 15:16:09,890 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:16:09,891 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-07 15:16:09,891 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2019-10-07 15:16:09,891 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2019-10-07 15:16:09,891 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2019-10-07 15:16:09,891 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,891 INFO L439 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:16:09,891 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-07 15:16:09,891 INFO L443 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2019-10-07 15:16:09,892 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2019-10-07 15:16:09,892 INFO L439 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:16:09,892 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:16:09,892 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2019-10-07 15:16:09,892 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2019-10-07 15:16:09,892 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,892 INFO L439 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:16:09,892 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2019-10-07 15:16:09,893 INFO L439 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:16:09,893 INFO L443 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2019-10-07 15:16:09,893 INFO L439 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:09,893 INFO L443 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2019-10-07 15:16:09,893 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2019-10-07 15:16:09,893 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 388 433) no Hoare annotation was computed. [2019-10-07 15:16:09,893 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 388 433) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 901 923) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 901 923) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:16:09,894 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 285 387) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 330) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L335(lines 334 354) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L366-1(line 366) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 372) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 285 387) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-07 15:16:09,895 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 285 387) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 354) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point L355(lines 333 356) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))) [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2019-10-07 15:16:09,896 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-10-07 15:16:09,897 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2019-10-07 15:16:09,897 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:09,897 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-07 15:16:09,897 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:09,897 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2019-10-07 15:16:09,897 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-10-07 15:16:09,897 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-10-07 15:16:09,897 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2019-10-07 15:16:09,898 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 924 932) no Hoare annotation was computed. [2019-10-07 15:16:09,898 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-07 15:16:09,898 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:09,898 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:09,898 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (= ~systemActive~0 0) .cse1))) [2019-10-07 15:16:09,898 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-07 15:16:09,898 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2019-10-07 15:16:09,899 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2019-10-07 15:16:09,899 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~systemActive~0))) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:16:09,899 INFO L439 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:16:09,899 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:16:09,899 INFO L443 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2019-10-07 15:16:09,899 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (and (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:16:09,899 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2019-10-07 15:16:09,900 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2019-10-07 15:16:09,900 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2019-10-07 15:16:09,900 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2019-10-07 15:16:09,900 INFO L446 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2019-10-07 15:16:09,900 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-07 15:16:09,900 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2019-10-07 15:16:09,900 INFO L446 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2019-10-07 15:16:09,900 INFO L446 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2019-10-07 15:16:09,900 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-10-07 15:16:09,901 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-10-07 15:16:09,901 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2019-10-07 15:16:09,901 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2019-10-07 15:16:09,901 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2019-10-07 15:16:09,901 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2019-10-07 15:16:09,901 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:09,901 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:09,901 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:09,901 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:09,902 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2019-10-07 15:16:09,902 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: true [2019-10-07 15:16:09,902 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,902 INFO L439 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:16:09,902 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2019-10-07 15:16:09,902 INFO L439 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:16:09,903 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2019-10-07 15:16:09,903 INFO L439 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:16:09,903 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-07 15:16:09,903 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2019-10-07 15:16:09,903 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:16:09,903 INFO L443 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2019-10-07 15:16:09,903 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2019-10-07 15:16:09,903 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: true [2019-10-07 15:16:09,904 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:16:09,904 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:16:09,904 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:16:09,904 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2019-10-07 15:16:09,904 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2019-10-07 15:16:09,904 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-07 15:16:09,904 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-07 15:16:09,905 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2019-10-07 15:16:09,905 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2019-10-07 15:16:09,905 INFO L439 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (and (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) (not (= 0 ~pumpRunning~0))) [2019-10-07 15:16:09,905 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2019-10-07 15:16:09,905 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))) [2019-10-07 15:16:09,905 INFO L443 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2019-10-07 15:16:09,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:09 BoogieIcfgContainer [2019-10-07 15:16:09,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:09,922 INFO L168 Benchmark]: Toolchain (without parser) took 12988.15 ms. Allocated memory was 144.2 MB in the beginning and 378.5 MB in the end (delta: 234.4 MB). Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 223.5 kB). Peak memory consumption was 250.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,923 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.57 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 168.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,925 INFO L168 Benchmark]: Boogie Preprocessor took 117.87 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,926 INFO L168 Benchmark]: RCFGBuilder took 1864.54 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.6 MB in the beginning and 140.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,927 INFO L168 Benchmark]: TraceAbstraction took 10220.26 ms. Allocated memory was 234.4 MB in the beginning and 378.5 MB in the end (delta: 144.2 MB). Free memory was 140.1 MB in the beginning and 101.0 MB in the end (delta: 39.1 MB). Peak memory consumption was 198.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.57 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 168.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.87 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1864.54 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.6 MB in the beginning and 140.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10220.26 ms. Allocated memory was 234.4 MB in the beginning and 378.5 MB in the end (delta: 144.2 MB). Free memory was 140.1 MB in the beginning and 101.0 MB in the end (delta: 39.1 MB). Peak memory consumption was 198.8 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(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 209 locations, 1 error locations. Result: SAFE, OverallTime: 10.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 1175 SDtfs, 775 SDslu, 3761 SDs, 0 SdLazy, 1897 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1058occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 133 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 2330 PreInvPairs, 2492 NumberOfFragments, 972 HoareAnnotationTreeSize, 2330 FomulaSimplifications, 2838 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 73 FomulaSimplificationsInter, 5188 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 719 NumberOfCodeBlocks, 719 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 172407 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 132/141 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...