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_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:36,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:36,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:36,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:36,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:36,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:36,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:36,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:36,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:36,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:36,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:36,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:36,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:36,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:36,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:36,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:36,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:36,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:36,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:36,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:36,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:36,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:36,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:36,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:36,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:36,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:36,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:36,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:36,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:36,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:36,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:36,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:36,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:36,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:36,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:36,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:36,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:36,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:36,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:36,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:36,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:36,667 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 [2019-10-13 23:14:36,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:36,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:36,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:36,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:36,706 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:36,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:36,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:36,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:36,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:36,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:36,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:36,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:36,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:36,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:36,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:36,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:36,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:36,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:36,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:36,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:36,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:36,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:36,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:36,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:36,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:36,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:36,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:36,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:36,713 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 [2019-10-13 23:14:36,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:37,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:37,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:37,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:37,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:37,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-13 23:14:37,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbb4046d/169b811620d9430dad0b044455998cd2/FLAG637e345d0 [2019-10-13 23:14:37,656 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:37,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-13 23:14:37,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbb4046d/169b811620d9430dad0b044455998cd2/FLAG637e345d0 [2019-10-13 23:14:37,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbb4046d/169b811620d9430dad0b044455998cd2 [2019-10-13 23:14:37,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:37,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:37,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:37,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:37,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:37,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:37" (1/1) ... [2019-10-13 23:14:37,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b2446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:37, skipping insertion in model container [2019-10-13 23:14:37,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:37" (1/1) ... [2019-10-13 23:14:37,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:37,989 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:38,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:38,465 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:38,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:38,615 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:38,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38 WrapperNode [2019-10-13 23:14:38,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:38,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:38,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:38,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:38,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... [2019-10-13 23:14:38,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:38,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:38,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:38,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:38,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:14:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 23:14:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:40,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:40,499 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:40,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:40 BoogieIcfgContainer [2019-10-13 23:14:40,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:40,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:40,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:40,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:40,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:37" (1/3) ... [2019-10-13 23:14:40,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c3ae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:40, skipping insertion in model container [2019-10-13 23:14:40,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:38" (2/3) ... [2019-10-13 23:14:40,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c3ae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:40, skipping insertion in model container [2019-10-13 23:14:40,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:40" (3/3) ... [2019-10-13 23:14:40,511 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2019-10-13 23:14:40,522 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:40,534 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:40,546 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:40,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:40,588 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:40,588 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:40,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:40,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:40,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:40,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:40,590 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-13 23:14:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:40,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:40,638 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:40,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:40,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1539971568, now seen corresponding path program 1 times [2019-10-13 23:14:40,659 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:40,659 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304801754] [2019-10-13 23:14:40,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:40,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:40,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:41,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304801754] [2019-10-13 23:14:41,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:41,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:41,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304647920] [2019-10-13 23:14:41,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:41,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:41,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:41,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:41,066 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-13 23:14:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:41,111 INFO L93 Difference]: Finished difference Result 241 states and 296 transitions. [2019-10-13 23:14:41,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:41,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:41,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:41,128 INFO L225 Difference]: With dead ends: 241 [2019-10-13 23:14:41,128 INFO L226 Difference]: Without dead ends: 121 [2019-10-13 23:14:41,134 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-13 23:14:41,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-13 23:14:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-13 23:14:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2019-10-13 23:14:41,189 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 42 [2019-10-13 23:14:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:41,190 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2019-10-13 23:14:41,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2019-10-13 23:14:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:41,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:41,194 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:41,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:41,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:41,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1514935042, now seen corresponding path program 1 times [2019-10-13 23:14:41,195 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:41,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172342744] [2019-10-13 23:14:41,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:41,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:41,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:41,315 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172342744] [2019-10-13 23:14:41,316 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:41,317 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:41,317 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858814879] [2019-10-13 23:14:41,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:41,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:41,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:41,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:41,320 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 3 states. [2019-10-13 23:14:41,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:41,362 INFO L93 Difference]: Finished difference Result 189 states and 221 transitions. [2019-10-13 23:14:41,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:41,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:41,365 INFO L225 Difference]: With dead ends: 189 [2019-10-13 23:14:41,365 INFO L226 Difference]: Without dead ends: 113 [2019-10-13 23:14:41,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-13 23:14:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-13 23:14:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-13 23:14:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-13 23:14:41,394 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 43 [2019-10-13 23:14:41,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:41,394 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-13 23:14:41,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-13 23:14:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:14:41,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:41,397 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:41,398 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:41,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:41,398 INFO L82 PathProgramCache]: Analyzing trace with hash 563049839, now seen corresponding path program 1 times [2019-10-13 23:14:41,398 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:41,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51814644] [2019-10-13 23:14:41,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:41,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:41,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:41,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51814644] [2019-10-13 23:14:41,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:41,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:41,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48325965] [2019-10-13 23:14:41,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:41,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:41,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:41,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:41,647 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2019-10-13 23:14:42,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:42,148 INFO L93 Difference]: Finished difference Result 340 states and 409 transitions. [2019-10-13 23:14:42,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:42,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:14:42,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:42,152 INFO L225 Difference]: With dead ends: 340 [2019-10-13 23:14:42,153 INFO L226 Difference]: Without dead ends: 249 [2019-10-13 23:14:42,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:42,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-10-13 23:14:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 237. [2019-10-13 23:14:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-10-13 23:14:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 284 transitions. [2019-10-13 23:14:42,209 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 284 transitions. Word has length 47 [2019-10-13 23:14:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:42,210 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 284 transitions. [2019-10-13 23:14:42,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 284 transitions. [2019-10-13 23:14:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:14:42,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:42,215 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:42,215 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:42,216 INFO L82 PathProgramCache]: Analyzing trace with hash 348326242, now seen corresponding path program 1 times [2019-10-13 23:14:42,218 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:42,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820766229] [2019-10-13 23:14:42,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:42,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:42,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:42,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820766229] [2019-10-13 23:14:42,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:42,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:42,417 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684494719] [2019-10-13 23:14:42,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:42,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:42,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:42,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:42,418 INFO L87 Difference]: Start difference. First operand 237 states and 284 transitions. Second operand 6 states. [2019-10-13 23:14:42,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:42,661 INFO L93 Difference]: Finished difference Result 652 states and 801 transitions. [2019-10-13 23:14:42,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:42,661 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-13 23:14:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:42,666 INFO L225 Difference]: With dead ends: 652 [2019-10-13 23:14:42,667 INFO L226 Difference]: Without dead ends: 437 [2019-10-13 23:14:42,669 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:42,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-13 23:14:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 425. [2019-10-13 23:14:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-13 23:14:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 514 transitions. [2019-10-13 23:14:42,721 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 514 transitions. Word has length 51 [2019-10-13 23:14:42,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:42,722 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 514 transitions. [2019-10-13 23:14:42,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 514 transitions. [2019-10-13 23:14:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:42,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:42,725 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:42,725 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:42,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:42,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1350021582, now seen corresponding path program 1 times [2019-10-13 23:14:42,726 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:42,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336417397] [2019-10-13 23:14:42,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:42,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:42,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:42,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336417397] [2019-10-13 23:14:42,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:42,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:42,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257263712] [2019-10-13 23:14:42,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:42,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:42,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:42,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:42,862 INFO L87 Difference]: Start difference. First operand 425 states and 514 transitions. Second operand 7 states. [2019-10-13 23:14:43,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:43,516 INFO L93 Difference]: Finished difference Result 1147 states and 1496 transitions. [2019-10-13 23:14:43,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:14:43,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-13 23:14:43,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:43,523 INFO L225 Difference]: With dead ends: 1147 [2019-10-13 23:14:43,523 INFO L226 Difference]: Without dead ends: 744 [2019-10-13 23:14:43,525 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:14:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2019-10-13 23:14:43,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 655. [2019-10-13 23:14:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-10-13 23:14:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 785 transitions. [2019-10-13 23:14:43,596 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 785 transitions. Word has length 54 [2019-10-13 23:14:43,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:43,599 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 785 transitions. [2019-10-13 23:14:43,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 785 transitions. [2019-10-13 23:14:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 23:14:43,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:43,607 INFO L380 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] [2019-10-13 23:14:43,607 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:43,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1161749513, now seen corresponding path program 1 times [2019-10-13 23:14:43,608 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:43,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175898665] [2019-10-13 23:14:43,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:43,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:43,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:14:43,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175898665] [2019-10-13 23:14:43,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659911284] [2019-10-13 23:14:43,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:44,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:14:44,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:14:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:44,230 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:14:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:14:44,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:14:44,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-13 23:14:44,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270360089] [2019-10-13 23:14:44,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:14:44,821 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:44,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:14:44,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-13 23:14:44,822 INFO L87 Difference]: Start difference. First operand 655 states and 785 transitions. Second operand 11 states. [2019-10-13 23:14:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:45,566 INFO L93 Difference]: Finished difference Result 1571 states and 1965 transitions. [2019-10-13 23:14:45,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:14:45,567 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2019-10-13 23:14:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:45,575 INFO L225 Difference]: With dead ends: 1571 [2019-10-13 23:14:45,575 INFO L226 Difference]: Without dead ends: 938 [2019-10-13 23:14:45,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-13 23:14:45,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-10-13 23:14:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 918. [2019-10-13 23:14:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-10-13 23:14:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1112 transitions. [2019-10-13 23:14:45,645 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1112 transitions. Word has length 85 [2019-10-13 23:14:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:45,646 INFO L462 AbstractCegarLoop]: Abstraction has 918 states and 1112 transitions. [2019-10-13 23:14:45,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:14:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1112 transitions. [2019-10-13 23:14:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 23:14:45,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:45,651 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:45,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:45,857 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:45,858 INFO L82 PathProgramCache]: Analyzing trace with hash -708056724, now seen corresponding path program 1 times [2019-10-13 23:14:45,858 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:45,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743916553] [2019-10-13 23:14:45,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:45,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:45,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:14:46,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743916553] [2019-10-13 23:14:46,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364705468] [2019-10-13 23:14:46,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:46,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:14:46,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:14:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:14:46,586 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:14:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 23:14:47,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:14:47,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-13 23:14:47,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693571784] [2019-10-13 23:14:47,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:14:47,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:47,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:14:47,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-13 23:14:47,094 INFO L87 Difference]: Start difference. First operand 918 states and 1112 transitions. Second operand 11 states. [2019-10-13 23:14:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:47,785 INFO L93 Difference]: Finished difference Result 2283 states and 2831 transitions. [2019-10-13 23:14:47,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:14:47,785 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2019-10-13 23:14:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:47,787 INFO L225 Difference]: With dead ends: 2283 [2019-10-13 23:14:47,787 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:47,794 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 23:14:47,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:47,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:47,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2019-10-13 23:14:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:47,796 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:47,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:14:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:47,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:48,003 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:48,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:50,395 INFO L443 ceAbstractionStarter]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2019-10-13 23:14:50,395 INFO L443 ceAbstractionStarter]: For program point L342(lines 319 343) no Hoare annotation was computed. [2019-10-13 23:14:50,395 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2019-10-13 23:14:50,395 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-10-13 23:14:50,395 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 387) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point L403(lines 376 404) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2019-10-13 23:14:50,396 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2019-10-13 23:14:50,397 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2019-10-13 23:14:50,397 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2019-10-13 23:14:50,397 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2019-10-13 23:14:50,397 INFO L439 ceAbstractionStarter]: At program point L225(line 225) 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))) [2019-10-13 23:14:50,397 INFO L439 ceAbstractionStarter]: At program point L225-1(line 225) 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))) [2019-10-13 23:14:50,397 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) 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))) [2019-10-13 23:14:50,397 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L439 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:50,398 INFO L439 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L439 ceAbstractionStarter]: At program point L226(line 226) 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))) [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-13 23:14:50,398 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-13 23:14:50,399 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 23:14:50,400 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-13 23:14:50,400 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-13 23:14:50,400 INFO L439 ceAbstractionStarter]: At program point L695(line 695) 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))))) [2019-10-13 23:14:50,400 INFO L443 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2019-10-13 23:14:50,400 INFO L439 ceAbstractionStarter]: At program point L690(line 690) 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))) [2019-10-13 23:14:50,400 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) 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))))) [2019-10-13 23:14:50,400 INFO L439 ceAbstractionStarter]: At program point L686(line 686) 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))) [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L439 ceAbstractionStarter]: At program point L682(line 682) 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))) [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L439 ceAbstractionStarter]: At program point L841(line 841) 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))) [2019-10-13 23:14:50,401 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-13 23:14:50,401 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) 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))) [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 780 815) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 780 815) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2019-10-13 23:14:50,402 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) 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))) [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2019-10-13 23:14:50,403 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-13 23:14:50,403 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-13 23:14:50,404 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2019-10-13 23:14:50,404 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:50,404 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-13 23:14:50,404 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2019-10-13 23:14:50,404 INFO L439 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:14:50,404 INFO L439 ceAbstractionStarter]: At program point L712(line 712) 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~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-13 23:14:50,404 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2019-10-13 23:14:50,404 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:14:50,404 INFO L443 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2019-10-13 23:14:50,405 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2019-10-13 23:14:50,405 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2019-10-13 23:14:50,405 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2019-10-13 23:14:50,405 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2019-10-13 23:14:50,405 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 868 935) 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))) [2019-10-13 23:14:50,405 INFO L439 ceAbstractionStarter]: At program point L925(lines 878 927) 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))))) [2019-10-13 23:14:50,405 INFO L439 ceAbstractionStarter]: At program point L890(line 890) 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))))) [2019-10-13 23:14:50,405 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-10-13 23:14:50,405 INFO L443 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2019-10-13 23:14:50,406 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2019-10-13 23:14:50,406 INFO L439 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:50,406 INFO L439 ceAbstractionStarter]: At program point L918(line 918) 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)))) [2019-10-13 23:14:50,406 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-13 23:14:50,406 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 908 923) 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)))) [2019-10-13 23:14:50,406 INFO L443 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2019-10-13 23:14:50,406 INFO L439 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:50,407 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2019-10-13 23:14:50,407 INFO L439 ceAbstractionStarter]: At program point L900(line 900) 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)))) [2019-10-13 23:14:50,407 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2019-10-13 23:14:50,407 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2019-10-13 23:14:50,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-13 23:14:50,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-13 23:14:50,407 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 458) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point L463(lines 462 482) no Hoare annotation was computed. [2019-10-13 23:14:50,408 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 500) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point L478-1(line 478) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-10-13 23:14:50,409 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point L483(lines 461 484) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 938 947) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 938 947) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:50,410 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= ~pumpRunning~0 0))) [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 23:14:50,411 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 23:14:50,412 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2019-10-13 23:14:50,412 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) 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))) [2019-10-13 23:14:50,412 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 23:14:50,412 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 23:14:50,412 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~systemActive~0))) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-13 23:14:50,412 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (and (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-13 23:14:50,413 INFO L439 ceAbstractionStarter]: At program point L655(lines 655 661) 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))) [2019-10-13 23:14:50,413 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2019-10-13 23:14:50,413 INFO L439 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-13 23:14:50,413 INFO L443 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2019-10-13 23:14:50,413 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2019-10-13 23:14:50,413 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-10-13 23:14:50,413 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-13 23:14:50,413 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-10-13 23:14:50,413 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-13 23:14:50,414 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-13 23:14:50,414 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 23:14:50,414 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-10-13 23:14:50,414 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-10-13 23:14:50,414 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:50,414 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:50,415 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-13 23:14:50,415 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 23:14:50,415 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 23:14:50,415 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2019-10-13 23:14:50,415 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2019-10-13 23:14:50,415 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2019-10-13 23:14:50,416 INFO L439 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (and (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) (not (= 0 ~pumpRunning~0))) [2019-10-13 23:14:50,416 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2019-10-13 23:14:50,416 INFO L439 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 23:14:50,416 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-13 23:14:50,416 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2019-10-13 23:14:50,416 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2019-10-13 23:14:50,416 INFO L446 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2019-10-13 23:14:50,416 INFO L443 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-10-13 23:14:50,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:50 BoogieIcfgContainer [2019-10-13 23:14:50,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:50,433 INFO L168 Benchmark]: Toolchain (without parser) took 12504.84 ms. Allocated memory was 138.4 MB in the beginning and 378.0 MB in the end (delta: 239.6 MB). Free memory was 102.2 MB in the beginning and 257.5 MB in the end (delta: -155.3 MB). Peak memory consumption was 254.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:50,434 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 23:14:50,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.65 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 168.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:50,435 INFO L168 Benchmark]: Boogie Preprocessor took 126.47 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:50,436 INFO L168 Benchmark]: RCFGBuilder took 1757.62 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 146.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:50,437 INFO L168 Benchmark]: TraceAbstraction took 9928.56 ms. Allocated memory was 236.5 MB in the beginning and 378.0 MB in the end (delta: 141.6 MB). Free memory was 146.8 MB in the beginning and 257.5 MB in the end (delta: -110.7 MB). Peak memory consumption was 201.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:50,444 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 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.65 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 168.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.47 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1757.62 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 146.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9928.56 ms. Allocated memory was 236.5 MB in the beginning and 378.0 MB in the end (delta: 141.6 MB). Free memory was 146.8 MB in the beginning and 257.5 MB in the end (delta: -110.7 MB). Peak memory consumption was 201.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 193 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 1013 SDtfs, 670 SDslu, 3213 SDs, 0 SdLazy, 1657 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 531 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=918occurred 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, 65 LocationsWithAnnotation, 1936 PreInvPairs, 2090 NumberOfFragments, 859 HoareAnnotationTreeSize, 1936 FomulaSimplifications, 2754 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 4677 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 671 NumberOfCodeBlocks, 671 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 142102 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1621 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 122/129 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...