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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:22,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:22,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:22,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:22,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:22,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:22,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:22,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:22,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:22,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:22,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:22,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:22,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:22,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:22,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:22,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:22,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:22,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:22,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:22,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:22,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:22,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:22,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:22,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:22,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:22,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:22,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:22,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:22,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:22,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:22,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:22,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:22,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:22,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:22,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:22,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:22,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:22,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:22,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:22,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:22,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:22,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:22,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:22,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:22,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:22,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:22,501 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:22,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:22,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:22,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:22,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:22,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:22,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:22,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:22,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:22,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:22,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:22,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:22,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:22,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:22,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:22,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:22,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:22,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:22,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:22,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:22,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:22,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:22,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:22,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:22,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:22,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:22,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:22,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:22,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:22,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:22,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2019-10-07 15:20:22,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5684d662d/4160e5100276477398466021ba21cdad/FLAG03378f777 [2019-10-07 15:20:23,497 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:23,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2019-10-07 15:20:23,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5684d662d/4160e5100276477398466021ba21cdad/FLAG03378f777 [2019-10-07 15:20:23,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5684d662d/4160e5100276477398466021ba21cdad [2019-10-07 15:20:23,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:23,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:23,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:23,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:23,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:23,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d5a3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23, skipping insertion in model container [2019-10-07 15:20:23,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:23,843 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:24,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:24,358 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:24,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:24,497 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:24,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24 WrapperNode [2019-10-07 15:20:24,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:24,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:24,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:24,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:24,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... [2019-10-07 15:20:24,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:24,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:24,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:24,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:24,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:26,222 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:26,223 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:26,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:26 BoogieIcfgContainer [2019-10-07 15:20:26,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:26,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:26,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:26,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:26,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:23" (1/3) ... [2019-10-07 15:20:26,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df2348d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:26, skipping insertion in model container [2019-10-07 15:20:26,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:24" (2/3) ... [2019-10-07 15:20:26,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df2348d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:26, skipping insertion in model container [2019-10-07 15:20:26,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:26" (3/3) ... [2019-10-07 15:20:26,233 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2019-10-07 15:20:26,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:26,251 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:26,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:26,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:26,291 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:26,291 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:26,292 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:26,292 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:26,292 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:26,292 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:26,292 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-07 15:20:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:26,332 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:26,333 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:26,336 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:26,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:26,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1328447328, now seen corresponding path program 1 times [2019-10-07 15:20:26,353 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:26,353 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,354 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,355 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:26,739 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,740 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:26,741 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:26,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:26,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:26,767 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-10-07 15:20:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:26,807 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2019-10-07 15:20:26,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:26,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:26,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:26,822 INFO L225 Difference]: With dead ends: 176 [2019-10-07 15:20:26,822 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:20:26,826 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:20:26,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:20:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:20:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-10-07 15:20:26,881 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 52 [2019-10-07 15:20:26,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:26,882 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-10-07 15:20:26,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-10-07 15:20:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:26,886 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:26,886 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:26,887 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:26,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:26,887 INFO L82 PathProgramCache]: Analyzing trace with hash -586129553, now seen corresponding path program 1 times [2019-10-07 15:20:26,887 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:26,888 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,888 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,888 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:27,021 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:27,022 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:27,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:27,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:27,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:27,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:27,025 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-10-07 15:20:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:27,049 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2019-10-07 15:20:27,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:27,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:27,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:27,057 INFO L225 Difference]: With dead ends: 122 [2019-10-07 15:20:27,057 INFO L226 Difference]: Without dead ends: 82 [2019-10-07 15:20:27,061 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-07 15:20:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-07 15:20:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 15:20:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-10-07 15:20:27,084 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 53 [2019-10-07 15:20:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:27,084 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-10-07 15:20:27,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-10-07 15:20:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:20:27,094 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:27,096 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:27,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:27,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash 963658083, now seen corresponding path program 1 times [2019-10-07 15:20:27,097 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:27,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:27,098 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:27,098 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:27,341 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:27,342 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:27,342 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:27,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:27,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:27,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:27,344 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-10-07 15:20:27,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:27,769 INFO L93 Difference]: Finished difference Result 246 states and 293 transitions. [2019-10-07 15:20:27,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:27,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:20:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:27,773 INFO L225 Difference]: With dead ends: 246 [2019-10-07 15:20:27,773 INFO L226 Difference]: Without dead ends: 189 [2019-10-07 15:20:27,774 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:27,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-07 15:20:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 167. [2019-10-07 15:20:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-10-07 15:20:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 196 transitions. [2019-10-07 15:20:27,822 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 196 transitions. Word has length 57 [2019-10-07 15:20:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:27,825 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 196 transitions. [2019-10-07 15:20:27,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2019-10-07 15:20:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-07 15:20:27,828 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:27,828 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:27,828 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:27,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:27,829 INFO L82 PathProgramCache]: Analyzing trace with hash 432914963, now seen corresponding path program 1 times [2019-10-07 15:20:27,829 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:27,829 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:27,829 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:27,830 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:28,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:28,009 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:28,009 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:20:28,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:20:28,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:20:28,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:20:28,011 INFO L87 Difference]: Start difference. First operand 167 states and 196 transitions. Second operand 6 states. [2019-10-07 15:20:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:28,190 INFO L93 Difference]: Finished difference Result 297 states and 361 transitions. [2019-10-07 15:20:28,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:28,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-10-07 15:20:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:28,192 INFO L225 Difference]: With dead ends: 297 [2019-10-07 15:20:28,192 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:28,195 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:20:28,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:28,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-10-07 15:20:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:28,196 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:28,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:20:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:28,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:28,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:28,591 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 404) no Hoare annotation was computed. [2019-10-07 15:20:28,591 INFO L443 ceAbstractionStarter]: For program point L405(lines 382 406) no Hoare annotation was computed. [2019-10-07 15:20:28,591 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 358 413) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 393) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 358 413) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point L440-2(lines 440 465) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 414 473) no Hoare annotation was computed. [2019-10-07 15:20:28,592 INFO L443 ceAbstractionStarter]: For program point L466(lines 439 467) no Hoare annotation was computed. [2019-10-07 15:20:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 414 473) no Hoare annotation was computed. [2019-10-07 15:20:28,593 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-07 15:20:28,593 INFO L443 ceAbstractionStarter]: For program point L459-1(line 459) no Hoare annotation was computed. [2019-10-07 15:20:28,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 414 473) no Hoare annotation was computed. [2019-10-07 15:20:28,593 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2019-10-07 15:20:28,593 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2019-10-07 15:20:28,594 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2019-10-07 15:20:28,594 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2019-10-07 15:20:28,594 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-07 15:20:28,594 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-07 15:20:28,594 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-07 15:20:28,594 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-07 15:20:28,595 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-07 15:20:28,595 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-07 15:20:28,595 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:28,595 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-07 15:20:28,595 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:28,595 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-07 15:20:28,595 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-07 15:20:28,596 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-07 15:20:28,596 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-07 15:20:28,596 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-07 15:20:28,596 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-07 15:20:28,596 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-07 15:20:28,596 INFO L439 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,596 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,597 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2019-10-07 15:20:28,597 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,597 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,597 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-10-07 15:20:28,597 INFO L443 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2019-10-07 15:20:28,597 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-07 15:20:28,598 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,598 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,598 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:20:28,598 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:20:28,598 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:20:28,598 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:20:28,598 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-07 15:20:28,599 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-07 15:20:28,600 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2019-10-07 15:20:28,601 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:28,601 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2019-10-07 15:20:28,601 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:28,601 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2019-10-07 15:20:28,601 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2019-10-07 15:20:28,601 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-10-07 15:20:28,601 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 246 281) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 246 281) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 312 357) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 312 357) no Hoare annotation was computed. [2019-10-07 15:20:28,602 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 625 670) no Hoare annotation was computed. [2019-10-07 15:20:28,603 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 625 670) no Hoare annotation was computed. [2019-10-07 15:20:28,603 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,603 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2019-10-07 15:20:28,603 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2019-10-07 15:20:28,603 INFO L439 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,603 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 226 236) no Hoare annotation was computed. [2019-10-07 15:20:28,603 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 226 236) no Hoare annotation was computed. [2019-10-07 15:20:28,604 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-07 15:20:28,604 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-07 15:20:28,604 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2019-10-07 15:20:28,604 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2019-10-07 15:20:28,604 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2019-10-07 15:20:28,604 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2019-10-07 15:20:28,604 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2019-10-07 15:20:28,605 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:28,605 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-10-07 15:20:28,605 INFO L439 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,605 INFO L439 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,605 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2019-10-07 15:20:28,605 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2019-10-07 15:20:28,606 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2019-10-07 15:20:28,606 INFO L439 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,606 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,606 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2019-10-07 15:20:28,606 INFO L439 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,606 INFO L443 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2019-10-07 15:20:28,607 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,607 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2019-10-07 15:20:28,607 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2019-10-07 15:20:28,607 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:28,607 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 579 624) no Hoare annotation was computed. [2019-10-07 15:20:28,607 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 579 624) no Hoare annotation was computed. [2019-10-07 15:20:28,607 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 719 741) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 719 741) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 476 578) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point L541-1(line 541) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point L525-2(lines 525 545) no Hoare annotation was computed. [2019-10-07 15:20:28,608 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 476 578) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L546(lines 524 547) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 521) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 476 578) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L526(lines 525 545) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L557-1(line 557) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 563) no Hoare annotation was computed. [2019-10-07 15:20:28,609 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 862 871) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 862 871) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:28,610 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 210 217) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 210 217) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2019-10-07 15:20:28,610 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2019-10-07 15:20:28,610 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: true [2019-10-07 15:20:28,611 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2019-10-07 15:20:28,611 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:28,611 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:28,611 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-07 15:20:28,611 INFO L446 ceAbstractionStarter]: At program point L190(lines 190 196) the Hoare annotation is: true [2019-10-07 15:20:28,611 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:28,611 INFO L443 ceAbstractionStarter]: For program point L183(lines 179 201) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L443 ceAbstractionStarter]: For program point L181(lines 179 201) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: true [2019-10-07 15:20:28,612 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-07 15:20:28,612 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-07 15:20:28,613 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-07 15:20:28,613 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-07 15:20:28,613 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-07 15:20:28,613 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-07 15:20:28,613 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-07 15:20:28,613 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-07 15:20:28,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 710 718) no Hoare annotation was computed. [2019-10-07 15:20:28,614 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 710 718) no Hoare annotation was computed. [2019-10-07 15:20:28,614 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2019-10-07 15:20:28,614 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2019-10-07 15:20:28,614 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-07 15:20:28,614 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-07 15:20:28,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:28,614 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:28,615 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:28,615 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:28,615 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2019-10-07 15:20:28,615 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: true [2019-10-07 15:20:28,615 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2019-10-07 15:20:28,615 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: true [2019-10-07 15:20:28,615 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2019-10-07 15:20:28,616 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2019-10-07 15:20:28,616 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2019-10-07 15:20:28,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:28 BoogieIcfgContainer [2019-10-07 15:20:28,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:28,639 INFO L168 Benchmark]: Toolchain (without parser) took 4868.29 ms. Allocated memory was 138.9 MB in the beginning and 248.0 MB in the end (delta: 109.1 MB). Free memory was 102.5 MB in the beginning and 205.7 MB in the end (delta: -103.2 MB). Peak memory consumption was 124.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,640 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.78 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 171.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,643 INFO L168 Benchmark]: Boogie Preprocessor took 98.26 ms. Allocated memory is still 201.3 MB. Free memory was 171.8 MB in the beginning and 167.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,645 INFO L168 Benchmark]: RCFGBuilder took 1627.66 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 156.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,646 INFO L168 Benchmark]: TraceAbstraction took 2409.93 ms. Allocated memory was 235.4 MB in the beginning and 248.0 MB in the end (delta: 12.6 MB). Free memory was 156.8 MB in the beginning and 205.7 MB in the end (delta: -49.0 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:28,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.78 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 171.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.26 ms. Allocated memory is still 201.3 MB. Free memory was 171.8 MB in the beginning and 167.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1627.66 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 167.1 MB in the beginning and 156.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2409.93 ms. Allocated memory was 235.4 MB in the beginning and 248.0 MB in the end (delta: 12.6 MB). Free memory was 156.8 MB in the beginning and 205.7 MB in the end (delta: -49.0 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: 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: 108]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 168 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 402 SDtfs, 188 SDslu, 660 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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: 0.1s 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...