java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:24,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:24,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:24,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:24,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:24,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:24,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:24,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:24,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:24,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:24,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:24,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:24,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:24,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:24,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:24,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:24,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:24,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:24,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:24,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:24,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:24,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:24,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:24,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:24,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:24,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:24,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:24,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:24,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:24,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:24,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:24,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:24,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:24,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:24,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:24,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:24,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:24,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:24,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:24,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:24,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:24,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:24,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:24,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:24,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:24,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:24,463 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:24,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:24,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:24,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:24,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:24,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:24,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:24,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:24,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:24,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:24,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:24,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:24,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:24,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:24,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:24,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:24,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:24,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:24,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:24,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:24,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:24,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:24,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:24,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:24,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:24,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:24,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:24,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:24,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:24,857 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:24,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-10-13 23:14:24,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4ff066d/b3717b88e19248a0ad36ecf2d6b360a4/FLAG0873dd4af [2019-10-13 23:14:25,448 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:25,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-10-13 23:14:25,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4ff066d/b3717b88e19248a0ad36ecf2d6b360a4/FLAG0873dd4af [2019-10-13 23:14:25,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4ff066d/b3717b88e19248a0ad36ecf2d6b360a4 [2019-10-13 23:14:25,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:25,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:25,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:25,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:25,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:25,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:25" (1/1) ... [2019-10-13 23:14:25,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c381ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:25, skipping insertion in model container [2019-10-13 23:14:25,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:25" (1/1) ... [2019-10-13 23:14:25,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:25,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:26,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:26,353 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:26,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:26,553 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:26,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26 WrapperNode [2019-10-13 23:14:26,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:26,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:26,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:26,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:26,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... [2019-10-13 23:14:26,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:26,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:26,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:26,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:26,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:14:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:14:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:28,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:28,341 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:28,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:28 BoogieIcfgContainer [2019-10-13 23:14:28,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:28,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:28,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:28,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:28,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:25" (1/3) ... [2019-10-13 23:14:28,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dcdf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:28, skipping insertion in model container [2019-10-13 23:14:28,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:26" (2/3) ... [2019-10-13 23:14:28,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dcdf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:28, skipping insertion in model container [2019-10-13 23:14:28,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:28" (3/3) ... [2019-10-13 23:14:28,354 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2019-10-13 23:14:28,368 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:28,380 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:28,393 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:28,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:28,421 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:28,421 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:28,422 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:28,422 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:28,422 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:28,422 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:28,422 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-13 23:14:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:28,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:28,456 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:28,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:28,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:28,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1317294679, now seen corresponding path program 1 times [2019-10-13 23:14:28,475 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:28,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501095079] [2019-10-13 23:14:28,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:28,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:28,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:28,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501095079] [2019-10-13 23:14:28,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:28,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:28,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314418132] [2019-10-13 23:14:28,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:28,864 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:28,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:28,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:28,882 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-13 23:14:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:28,923 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-10-13 23:14:28,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:28,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:28,946 INFO L225 Difference]: With dead ends: 195 [2019-10-13 23:14:28,947 INFO L226 Difference]: Without dead ends: 98 [2019-10-13 23:14:28,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-13 23:14:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-13 23:14:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-13 23:14:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-10-13 23:14:29,015 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-10-13 23:14:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:29,016 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-10-13 23:14:29,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-10-13 23:14:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:29,020 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:29,020 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:29,020 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:29,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:29,021 INFO L82 PathProgramCache]: Analyzing trace with hash 859396471, now seen corresponding path program 1 times [2019-10-13 23:14:29,021 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:29,021 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758075704] [2019-10-13 23:14:29,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:29,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758075704] [2019-10-13 23:14:29,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:29,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:29,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509465120] [2019-10-13 23:14:29,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:29,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:29,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:29,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:29,183 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-10-13 23:14:29,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:29,203 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-10-13 23:14:29,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:29,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:29,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:29,206 INFO L225 Difference]: With dead ends: 143 [2019-10-13 23:14:29,206 INFO L226 Difference]: Without dead ends: 90 [2019-10-13 23:14:29,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:29,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-13 23:14:29,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-13 23:14:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-13 23:14:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-10-13 23:14:29,221 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-10-13 23:14:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:29,222 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-10-13 23:14:29,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-10-13 23:14:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:14:29,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:29,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:29,225 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:29,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:29,225 INFO L82 PathProgramCache]: Analyzing trace with hash -894076906, now seen corresponding path program 1 times [2019-10-13 23:14:29,226 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:29,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135337285] [2019-10-13 23:14:29,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:29,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135337285] [2019-10-13 23:14:29,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:29,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:29,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789405228] [2019-10-13 23:14:29,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:29,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:29,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:29,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:29,433 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-10-13 23:14:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:29,883 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-10-13 23:14:29,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:29,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:14:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:29,889 INFO L225 Difference]: With dead ends: 271 [2019-10-13 23:14:29,890 INFO L226 Difference]: Without dead ends: 203 [2019-10-13 23:14:29,891 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:29,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-13 23:14:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-10-13 23:14:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-13 23:14:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-10-13 23:14:29,954 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-10-13 23:14:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:29,955 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-10-13 23:14:29,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-10-13 23:14:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:14:29,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:29,958 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:29,958 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:29,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:29,958 INFO L82 PathProgramCache]: Analyzing trace with hash -872283811, now seen corresponding path program 1 times [2019-10-13 23:14:29,959 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:29,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970365420] [2019-10-13 23:14:29,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:29,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:30,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970365420] [2019-10-13 23:14:30,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:30,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:30,060 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432941070] [2019-10-13 23:14:30,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:30,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:30,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:30,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:30,061 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 6 states. [2019-10-13 23:14:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:30,259 INFO L93 Difference]: Finished difference Result 514 states and 627 transitions. [2019-10-13 23:14:30,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:30,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-13 23:14:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:30,271 INFO L225 Difference]: With dead ends: 514 [2019-10-13 23:14:30,272 INFO L226 Difference]: Without dead ends: 345 [2019-10-13 23:14:30,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:30,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-10-13 23:14:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 333. [2019-10-13 23:14:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2019-10-13 23:14:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2019-10-13 23:14:30,332 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 51 [2019-10-13 23:14:30,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:30,334 INFO L462 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2019-10-13 23:14:30,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2019-10-13 23:14:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:30,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:30,349 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:30,349 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:30,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:30,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1146586190, now seen corresponding path program 1 times [2019-10-13 23:14:30,352 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:30,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646372813] [2019-10-13 23:14:30,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:30,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:30,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:30,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646372813] [2019-10-13 23:14:30,509 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:30,509 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:30,509 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462518708] [2019-10-13 23:14:30,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:30,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:30,510 INFO L87 Difference]: Start difference. First operand 333 states and 398 transitions. Second operand 7 states. [2019-10-13 23:14:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:30,819 INFO L93 Difference]: Finished difference Result 567 states and 704 transitions. [2019-10-13 23:14:30,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:30,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-13 23:14:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:30,820 INFO L225 Difference]: With dead ends: 567 [2019-10-13 23:14:30,820 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:30,822 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:14:30,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:30,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-13 23:14:30,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:30,824 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:30,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:30,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:30,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:31,829 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 595) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point L596(lines 573 597) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 549 604) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 549 604) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 641) no Hoare annotation was computed. [2019-10-13 23:14:31,830 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 605 664) no Hoare annotation was computed. [2019-10-13 23:14:31,831 INFO L443 ceAbstractionStarter]: For program point L631-2(lines 631 656) no Hoare annotation was computed. [2019-10-13 23:14:31,831 INFO L443 ceAbstractionStarter]: For program point L657(lines 630 658) no Hoare annotation was computed. [2019-10-13 23:14:31,831 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 605 664) no Hoare annotation was computed. [2019-10-13 23:14:31,831 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-13 23:14:31,831 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 605 664) no Hoare annotation was computed. [2019-10-13 23:14:31,832 INFO L443 ceAbstractionStarter]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-10-13 23:14:31,832 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2019-10-13 23:14:31,832 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2019-10-13 23:14:31,832 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2019-10-13 23:14:31,832 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2019-10-13 23:14:31,833 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 129 151) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,833 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 129 151) no Hoare annotation was computed. [2019-10-13 23:14:31,834 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:31,835 INFO L439 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:31,835 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 146) no Hoare annotation was computed. [2019-10-13 23:14:31,835 INFO L443 ceAbstractionStarter]: For program point L139-1(lines 139 146) no Hoare annotation was computed. [2019-10-13 23:14:31,835 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-13 23:14:31,835 INFO L439 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,836 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,836 INFO L439 ceAbstractionStarter]: At program point L135-1(line 135) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,836 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 23:14:31,836 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-13 23:14:31,836 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2019-10-13 23:14:31,836 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2019-10-13 23:14:31,838 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2019-10-13 23:14:31,839 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 383 397) no Hoare annotation was computed. [2019-10-13 23:14:31,840 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 383 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-13 23:14:31,840 INFO L439 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:31,840 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2019-10-13 23:14:31,840 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2019-10-13 23:14:31,840 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 319 327) the Hoare annotation is: true [2019-10-13 23:14:31,840 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 364 382) the Hoare annotation is: true [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 364 382) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L446 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: true [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 328 363) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2019-10-13 23:14:31,841 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2019-10-13 23:14:31,842 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2019-10-13 23:14:31,842 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 503 548) no Hoare annotation was computed. [2019-10-13 23:14:31,842 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 503 548) no Hoare annotation was computed. [2019-10-13 23:14:31,842 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 816 861) no Hoare annotation was computed. [2019-10-13 23:14:31,842 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 816 861) no Hoare annotation was computed. [2019-10-13 23:14:31,842 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 116 125) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,842 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 116 125) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 116 125) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 308 318) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 300 307) the Hoare annotation is: true [2019-10-13 23:14:31,843 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2019-10-13 23:14:31,843 INFO L439 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:31,844 INFO L443 ceAbstractionStarter]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2019-10-13 23:14:31,844 INFO L439 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:14:31,846 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2019-10-13 23:14:31,846 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:14:31,846 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:31,847 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 283) no Hoare annotation was computed. [2019-10-13 23:14:31,847 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:14:31,847 INFO L443 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2019-10-13 23:14:31,847 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 288) no Hoare annotation was computed. [2019-10-13 23:14:31,847 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 259 265) no Hoare annotation was computed. [2019-10-13 23:14:31,847 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 259 265) the Hoare annotation is: true [2019-10-13 23:14:31,847 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 155 222) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,850 INFO L439 ceAbstractionStarter]: At program point L215(lines 164 216) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,851 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 155 222) no Hoare annotation was computed. [2019-10-13 23:14:31,851 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,851 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-13 23:14:31,851 INFO L439 ceAbstractionStarter]: At program point L203-1(lines 195 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,851 INFO L443 ceAbstractionStarter]: For program point L166(lines 165 214) no Hoare annotation was computed. [2019-10-13 23:14:31,852 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,852 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 210) no Hoare annotation was computed. [2019-10-13 23:14:31,852 INFO L439 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,852 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-10-13 23:14:31,852 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2019-10-13 23:14:31,852 INFO L439 ceAbstractionStarter]: At program point L212(lines 165 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,852 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 155 222) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 770 815) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 770 815) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 487 495) the Hoare annotation is: true [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 487 495) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 455 477) no Hoare annotation was computed. [2019-10-13 23:14:31,853 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 455 477) no Hoare annotation was computed. [2019-10-13 23:14:31,854 INFO L443 ceAbstractionStarter]: For program point L737(lines 715 738) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 667 769) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 712) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 736) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-13 23:14:31,855 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 754) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 667 769) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 695) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 667 769) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point L716-2(lines 716 736) no Hoare annotation was computed. [2019-10-13 23:14:31,856 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 864 873) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 864 873) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 292 299) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 292 299) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 478 486) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 478 486) no Hoare annotation was computed. [2019-10-13 23:14:31,857 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 434 445) the Hoare annotation is: true [2019-10-13 23:14:31,858 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 434 445) no Hoare annotation was computed. [2019-10-13 23:14:31,858 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:31,858 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:31,858 INFO L439 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:14:31,858 INFO L439 ceAbstractionStarter]: At program point L246(lines 246 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:31,858 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:31,858 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 235 258) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:31,859 INFO L443 ceAbstractionStarter]: For program point L239(lines 238 257) no Hoare annotation was computed. [2019-10-13 23:14:31,859 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 235 258) no Hoare annotation was computed. [2019-10-13 23:14:31,859 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 235 258) no Hoare annotation was computed. [2019-10-13 23:14:31,859 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-13 23:14:31,859 INFO L446 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2019-10-13 23:14:31,859 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2019-10-13 23:14:31,859 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2019-10-13 23:14:31,859 INFO L446 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2019-10-13 23:14:31,859 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-13 23:14:31,860 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-13 23:14:31,860 INFO L446 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2019-10-13 23:14:31,860 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-10-13 23:14:31,860 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 446 454) the Hoare annotation is: true [2019-10-13 23:14:31,860 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 446 454) no Hoare annotation was computed. [2019-10-13 23:14:31,860 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 410 421) the Hoare annotation is: true [2019-10-13 23:14:31,860 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 410 421) no Hoare annotation was computed. [2019-10-13 23:14:31,860 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2019-10-13 23:14:31,861 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2019-10-13 23:14:31,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:31,861 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:31,861 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:31,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:31,861 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 398 405) no Hoare annotation was computed. [2019-10-13 23:14:31,861 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 398 405) the Hoare annotation is: true [2019-10-13 23:14:31,861 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 422 433) no Hoare annotation was computed. [2019-10-13 23:14:31,862 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 422 433) the Hoare annotation is: true [2019-10-13 23:14:31,862 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:14:31,862 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:14:31,863 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:14:31,863 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 898 922) the Hoare annotation is: true [2019-10-13 23:14:31,863 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 898 922) no Hoare annotation was computed. [2019-10-13 23:14:31,863 INFO L439 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:31,863 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 916) no Hoare annotation was computed. [2019-10-13 23:14:31,863 INFO L439 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:31,863 INFO L443 ceAbstractionStarter]: For program point L908-1(line 908) no Hoare annotation was computed. [2019-10-13 23:14:31,864 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 919) no Hoare annotation was computed. [2019-10-13 23:14:31,864 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 898 922) no Hoare annotation was computed. [2019-10-13 23:14:31,864 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-10-13 23:14:31,864 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2019-10-13 23:14:31,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:31 BoogieIcfgContainer [2019-10-13 23:14:31,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:31,892 INFO L168 Benchmark]: Toolchain (without parser) took 6159.73 ms. Allocated memory was 141.6 MB in the beginning and 278.4 MB in the end (delta: 136.8 MB). Free memory was 105.9 MB in the beginning and 150.6 MB in the end (delta: -44.7 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,894 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.72 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 105.5 MB in the beginning and 168.4 MB in the end (delta: -62.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,897 INFO L168 Benchmark]: Boogie Preprocessor took 108.44 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,902 INFO L168 Benchmark]: RCFGBuilder took 1679.46 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 163.9 MB in the beginning and 142.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,903 INFO L168 Benchmark]: TraceAbstraction took 3543.34 ms. Allocated memory was 232.8 MB in the beginning and 278.4 MB in the end (delta: 45.6 MB). Free memory was 142.2 MB in the beginning and 150.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:31,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.72 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 105.5 MB in the beginning and 168.4 MB in the end (delta: -62.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.44 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.46 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 163.9 MB in the beginning and 142.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3543.34 ms. Allocated memory was 232.8 MB in the beginning and 278.4 MB in the end (delta: 45.6 MB). Free memory was 142.2 MB in the beginning and 150.6 MB in the end (delta: -8.4 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 176 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 536 SDtfs, 295 SDslu, 1008 SDs, 0 SdLazy, 388 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=4, 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, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 438 PreInvPairs, 482 NumberOfFragments, 489 HoareAnnotationTreeSize, 438 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1797 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 20858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...