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_spec5_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:47,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:47,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:47,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:47,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:47,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:47,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:47,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:47,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:47,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:47,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:47,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:47,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:47,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:47,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:47,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:47,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:47,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:47,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:47,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:47,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:47,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:47,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:47,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:47,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:47,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:47,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:47,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:47,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:47,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:47,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:47,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:47,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:47,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:47,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:47,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:47,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:47,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:47,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:47,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:47,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:47,602 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 23:17:47,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:47,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:47,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:47,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:47,618 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:47,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:47,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:47,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:47,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:47,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:47,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:47,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:47,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:47,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:47,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:47,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:47,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:47,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:47,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:47,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:47,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:47,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:47,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:47,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:47,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:47,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:47,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:47,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:47,623 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 23:17:47,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:47,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:47,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:47,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:47,963 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:47,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-10-13 23:17:48,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93afa1d82/718ad3491d4746838ba0c0025eea9efa/FLAGe1009239d [2019-10-13 23:17:48,591 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:48,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-10-13 23:17:48,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93afa1d82/718ad3491d4746838ba0c0025eea9efa/FLAGe1009239d [2019-10-13 23:17:48,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93afa1d82/718ad3491d4746838ba0c0025eea9efa [2019-10-13 23:17:48,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:48,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:48,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:48,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:48,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:48,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48, skipping insertion in model container [2019-10-13 23:17:48,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:48,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:49,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:49,385 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:49,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:49,496 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49 WrapperNode [2019-10-13 23:17:49,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:49,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:49,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:49,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:49,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:49,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:49,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:49,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:49,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (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 23:17:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:17:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:17:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:17:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:51,237 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:51,238 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:51,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:51 BoogieIcfgContainer [2019-10-13 23:17:51,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:51,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:51,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:51,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:51,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:48" (1/3) ... [2019-10-13 23:17:51,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7a9bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:51, skipping insertion in model container [2019-10-13 23:17:51,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (2/3) ... [2019-10-13 23:17:51,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7a9bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:51, skipping insertion in model container [2019-10-13 23:17:51,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:51" (3/3) ... [2019-10-13 23:17:51,249 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2019-10-13 23:17:51,259 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:51,267 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:51,278 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:51,305 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:51,305 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:51,306 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:51,306 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:51,306 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:51,306 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:51,306 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:51,307 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-13 23:17:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:51,338 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,340 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] [2019-10-13 23:17:51,342 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1377721938, now seen corresponding path program 1 times [2019-10-13 23:17:51,358 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867747587] [2019-10-13 23:17:51,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:51,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867747587] [2019-10-13 23:17:51,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:51,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456303430] [2019-10-13 23:17:51,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:51,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:51,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:51,768 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-10-13 23:17:51,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:51,818 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2019-10-13 23:17:51,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:51,820 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:51,836 INFO L225 Difference]: With dead ends: 176 [2019-10-13 23:17:51,836 INFO L226 Difference]: Without dead ends: 90 [2019-10-13 23:17:51,841 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 23:17:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-13 23:17:51,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-13 23:17:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-13 23:17:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-10-13 23:17:51,900 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 52 [2019-10-13 23:17:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:51,902 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-10-13 23:17:51,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-10-13 23:17:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:51,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,910 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] [2019-10-13 23:17:51,910 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1100288264, now seen corresponding path program 1 times [2019-10-13 23:17:51,913 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,913 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765797583] [2019-10-13 23:17:51,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:52,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765797583] [2019-10-13 23:17:52,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:52,071 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874867536] [2019-10-13 23:17:52,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:52,073 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:52,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:52,074 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-10-13 23:17:52,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,108 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2019-10-13 23:17:52,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:52,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:52,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,113 INFO L225 Difference]: With dead ends: 122 [2019-10-13 23:17:52,113 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:17:52,116 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 23:17:52,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:17:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:17:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:17:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-10-13 23:17:52,140 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 53 [2019-10-13 23:17:52,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,140 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-10-13 23:17:52,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-10-13 23:17:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:17:52,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:52,152 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] [2019-10-13 23:17:52,152 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:52,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:52,153 INFO L82 PathProgramCache]: Analyzing trace with hash -626189839, now seen corresponding path program 1 times [2019-10-13 23:17:52,153 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:52,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503647655] [2019-10-13 23:17:52,154 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,154 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:52,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503647655] [2019-10-13 23:17:52,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:52,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086521844] [2019-10-13 23:17:52,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:52,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:52,403 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-10-13 23:17:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,768 INFO L93 Difference]: Finished difference Result 246 states and 293 transitions. [2019-10-13 23:17:52,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:17:52,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:17:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,772 INFO L225 Difference]: With dead ends: 246 [2019-10-13 23:17:52,772 INFO L226 Difference]: Without dead ends: 189 [2019-10-13 23:17:52,773 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 23:17:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-13 23:17:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 167. [2019-10-13 23:17:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-10-13 23:17:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 196 transitions. [2019-10-13 23:17:52,803 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 196 transitions. Word has length 57 [2019-10-13 23:17:52,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,804 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 196 transitions. [2019-10-13 23:17:52,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2019-10-13 23:17:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 23:17:52,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:52,806 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] [2019-10-13 23:17:52,806 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:52,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:52,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1748502135, now seen corresponding path program 1 times [2019-10-13 23:17:52,809 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:52,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110444722] [2019-10-13 23:17:52,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:52,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110444722] [2019-10-13 23:17:52,966 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,966 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:17:52,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387048007] [2019-10-13 23:17:52,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:17:52,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:17:52,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:17:52,967 INFO L87 Difference]: Start difference. First operand 167 states and 196 transitions. Second operand 6 states. [2019-10-13 23:17:53,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:53,134 INFO L93 Difference]: Finished difference Result 297 states and 361 transitions. [2019-10-13 23:17:53,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:53,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-10-13 23:17:53,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:53,136 INFO L225 Difference]: With dead ends: 297 [2019-10-13 23:17:53,136 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:53,139 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 23:17:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:53,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-10-13 23:17:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:53,141 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:53,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:17:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:53,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:53,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:53,591 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 600) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L612(lines 589 613) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L673(lines 646 674) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2019-10-13 23:17:53,592 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2019-10-13 23:17:53,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2019-10-13 23:17:53,593 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2019-10-13 23:17:53,593 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 897 903) the Hoare annotation is: true [2019-10-13 23:17:53,593 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 897 903) no Hoare annotation was computed. [2019-10-13 23:17:53,593 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 904 912) no Hoare annotation was computed. [2019-10-13 23:17:53,593 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 904 912) the Hoare annotation is: true [2019-10-13 23:17:53,593 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 23:17:53,593 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 23:17:53,594 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 23:17:53,594 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 23:17:53,594 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 23:17:53,594 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 23:17:53,594 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:53,594 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 23:17:53,594 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 23:17:53,595 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,595 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2019-10-13 23:17:53,596 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,596 INFO L439 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,596 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-10-13 23:17:53,596 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2019-10-13 23:17:53,596 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:17:53,596 INFO L439 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,597 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,597 INFO L439 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,597 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 23:17:53,597 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 444 467) no Hoare annotation was computed. [2019-10-13 23:17:53,597 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 444 467) no Hoare annotation was computed. [2019-10-13 23:17:53,597 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 444 467) no Hoare annotation was computed. [2019-10-13 23:17:53,597 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 23:17:53,598 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 228 242) no Hoare annotation was computed. [2019-10-13 23:17:53,599 INFO L439 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:53,600 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-10-13 23:17:53,600 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 228 242) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:53,600 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 138 145) no Hoare annotation was computed. [2019-10-13 23:17:53,600 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 138 145) no Hoare annotation was computed. [2019-10-13 23:17:53,600 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 183 191) no Hoare annotation was computed. [2019-10-13 23:17:53,600 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 183 191) the Hoare annotation is: true [2019-10-13 23:17:53,600 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 192 227) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 192 227) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 890 896) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 890 896) the Hoare annotation is: true [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2019-10-13 23:17:53,601 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2019-10-13 23:17:53,602 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,602 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 475 485) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,602 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 475 485) no Hoare annotation was computed. [2019-10-13 23:17:53,602 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 475 485) no Hoare annotation was computed. [2019-10-13 23:17:53,602 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-13 23:17:53,602 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 23:17:53,602 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 172 182) no Hoare annotation was computed. [2019-10-13 23:17:53,603 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 172 182) no Hoare annotation was computed. [2019-10-13 23:17:53,603 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 164 171) the Hoare annotation is: true [2019-10-13 23:17:53,603 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-13 23:17:53,603 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 131 137) no Hoare annotation was computed. [2019-10-13 23:17:53,603 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 131 137) the Hoare annotation is: true [2019-10-13 23:17:53,603 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 335 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,603 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 335 402) no Hoare annotation was computed. [2019-10-13 23:17:53,604 INFO L439 ceAbstractionStarter]: At program point L395(lines 344 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,604 INFO L439 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,604 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-10-13 23:17:53,604 INFO L439 ceAbstractionStarter]: At program point L383-1(lines 375 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,604 INFO L443 ceAbstractionStarter]: For program point L346(lines 345 394) no Hoare annotation was computed. [2019-10-13 23:17:53,604 INFO L439 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,604 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 390) no Hoare annotation was computed. [2019-10-13 23:17:53,605 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,605 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 371) no Hoare annotation was computed. [2019-10-13 23:17:53,605 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2019-10-13 23:17:53,605 INFO L439 ceAbstractionStarter]: At program point L392(lines 345 394) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,605 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:53,605 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-13 23:17:53,605 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 335 402) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 301 323) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 301 323) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point L733(lines 732 752) no Hoare annotation was computed. [2019-10-13 23:17:53,606 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 770) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2019-10-13 23:17:53,607 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point L753(lines 731 754) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 728) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 880 889) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 880 889) no Hoare annotation was computed. [2019-10-13 23:17:53,608 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 147 163) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 147 163) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 160) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 147 163) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-13 23:17:53,609 INFO L443 ceAbstractionStarter]: For program point L152-1(line 152) no Hoare annotation was computed. [2019-10-13 23:17:53,610 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 324 332) the Hoare annotation is: true [2019-10-13 23:17:53,610 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 324 332) no Hoare annotation was computed. [2019-10-13 23:17:53,610 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 280 291) the Hoare annotation is: true [2019-10-13 23:17:53,610 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 280 291) no Hoare annotation was computed. [2019-10-13 23:17:53,613 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,613 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 292 300) no Hoare annotation was computed. [2019-10-13 23:17:53,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 292 300) no Hoare annotation was computed. [2019-10-13 23:17:53,613 INFO L439 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:17:53,614 INFO L446 ceAbstractionStarter]: At program point L118(lines 118 124) the Hoare annotation is: true [2019-10-13 23:17:53,614 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:53,614 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 104 130) the Hoare annotation is: true [2019-10-13 23:17:53,614 INFO L443 ceAbstractionStarter]: For program point L111(lines 107 129) no Hoare annotation was computed. [2019-10-13 23:17:53,614 INFO L443 ceAbstractionStarter]: For program point L109(lines 107 129) no Hoare annotation was computed. [2019-10-13 23:17:53,614 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 104 130) no Hoare annotation was computed. [2019-10-13 23:17:53,614 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 104 130) no Hoare annotation was computed. [2019-10-13 23:17:53,614 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 414 443) no Hoare annotation was computed. [2019-10-13 23:17:53,615 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 414 443) the Hoare annotation is: true [2019-10-13 23:17:53,615 INFO L446 ceAbstractionStarter]: At program point L439(lines 414 443) the Hoare annotation is: true [2019-10-13 23:17:53,615 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-13 23:17:53,615 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-10-13 23:17:53,615 INFO L446 ceAbstractionStarter]: At program point L428-1(lines 428 432) the Hoare annotation is: true [2019-10-13 23:17:53,615 INFO L446 ceAbstractionStarter]: At program point L424-2(lines 424 438) the Hoare annotation is: true [2019-10-13 23:17:53,615 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-10-13 23:17:53,615 INFO L443 ceAbstractionStarter]: For program point L420-1(line 420) no Hoare annotation was computed. [2019-10-13 23:17:53,616 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 256 267) the Hoare annotation is: true [2019-10-13 23:17:53,616 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 256 267) no Hoare annotation was computed. [2019-10-13 23:17:53,616 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 468 474) no Hoare annotation was computed. [2019-10-13 23:17:53,616 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 468 474) the Hoare annotation is: true [2019-10-13 23:17:53,616 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,617 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:53,617 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:53,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,617 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 243 250) no Hoare annotation was computed. [2019-10-13 23:17:53,617 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 243 250) the Hoare annotation is: true [2019-10-13 23:17:53,617 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 268 279) no Hoare annotation was computed. [2019-10-13 23:17:53,618 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 268 279) the Hoare annotation is: true [2019-10-13 23:17:53,618 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 404 411) the Hoare annotation is: true [2019-10-13 23:17:53,618 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2019-10-13 23:17:53,618 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 404 411) no Hoare annotation was computed. [2019-10-13 23:17:53,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:53 BoogieIcfgContainer [2019-10-13 23:17:53,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:53,650 INFO L168 Benchmark]: Toolchain (without parser) took 4792.95 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 102.2 MB in the beginning and 202.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,651 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.15 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 170.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,653 INFO L168 Benchmark]: Boogie Preprocessor took 98.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,654 INFO L168 Benchmark]: RCFGBuilder took 1645.49 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 156.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,655 INFO L168 Benchmark]: TraceAbstraction took 2403.84 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 154.7 MB in the beginning and 202.8 MB in the end (delta: -48.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.15 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 170.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1645.49 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 156.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2403.84 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 154.7 MB in the beginning and 202.8 MB in the end (delta: -48.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 408]: 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: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 402 SDtfs, 188 SDslu, 660 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 202 PreInvPairs, 224 NumberOfFragments, 318 HoareAnnotationTreeSize, 202 FomulaSimplifications, 129 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 587 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...