/usr/bin/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:50,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:50,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:50,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:50,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:50,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:50,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:50,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:50,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:50,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:50,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:50,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:50,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:50,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:50,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:50,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:50,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:50,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:50,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:50,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:50,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:50,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:50,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:50,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:50,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:50,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:50,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:50,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:50,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:50,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:50,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:50,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:50,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:50,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:50,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:50,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:50,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:50,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:50,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:50,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:50,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:50,543 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 [2019-11-07 04:35:50,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:50,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:50,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:50,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:50,559 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:50,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:50,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:50,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:50,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:50,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:50,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:50,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:50,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:50,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:50,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:50,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:50,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:50,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:50,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:50,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:50,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:50,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:50,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:50,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:50,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:50,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:50,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:50,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:50,563 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 [2019-11-07 04:35:50,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:50,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:50,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:50,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:50,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:50,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2019-11-07 04:35:50,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99874bb0b/dc51a656b3ea4cb2a67b11d5eaa5027e/FLAGf35333ede [2019-11-07 04:35:51,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:51,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2019-11-07 04:35:51,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99874bb0b/dc51a656b3ea4cb2a67b11d5eaa5027e/FLAGf35333ede [2019-11-07 04:35:51,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99874bb0b/dc51a656b3ea4cb2a67b11d5eaa5027e [2019-11-07 04:35:51,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:51,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:51,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:51,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:51,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:51,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:51" (1/1) ... [2019-11-07 04:35:51,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748187ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:51, skipping insertion in model container [2019-11-07 04:35:51,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:51" (1/1) ... [2019-11-07 04:35:51,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:51,780 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:52,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:52,235 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:52,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:52,425 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:52,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52 WrapperNode [2019-11-07 04:35:52,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:52,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:52,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:52,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:52,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (1/1) ... [2019-11-07 04:35:52,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:52,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:52,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:52,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:52,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (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 [2019-11-07 04:35:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:54,253 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:54,254 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:54,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:54 BoogieIcfgContainer [2019-11-07 04:35:54,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:54,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:54,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:54,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:54,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:51" (1/3) ... [2019-11-07 04:35:54,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1b9265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:54, skipping insertion in model container [2019-11-07 04:35:54,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:52" (2/3) ... [2019-11-07 04:35:54,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1b9265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:54, skipping insertion in model container [2019-11-07 04:35:54,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:54" (3/3) ... [2019-11-07 04:35:54,264 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2019-11-07 04:35:54,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:54,285 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:54,299 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:54,336 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:54,336 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:54,336 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:54,336 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:54,337 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:54,337 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:54,337 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:54,338 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-11-07 04:35:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:54,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:54,388 INFO L410 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] [2019-11-07 04:35:54,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:54,399 INFO L82 PathProgramCache]: Analyzing trace with hash -935282748, now seen corresponding path program 1 times [2019-11-07 04:35:54,410 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:54,410 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466526597] [2019-11-07 04:35:54,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:54,775 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466526597] [2019-11-07 04:35:54,776 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:54,777 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:54,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817738033] [2019-11-07 04:35:54,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:54,786 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:54,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:54,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:54,803 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-11-07 04:35:54,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:54,845 INFO L93 Difference]: Finished difference Result 232 states and 279 transitions. [2019-11-07 04:35:54,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:54,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:54,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:54,860 INFO L225 Difference]: With dead ends: 232 [2019-11-07 04:35:54,861 INFO L226 Difference]: Without dead ends: 118 [2019-11-07 04:35:54,865 INFO L630 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 [2019-11-07 04:35:54,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-07 04:35:54,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-11-07 04:35:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-07 04:35:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2019-11-07 04:35:54,923 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 52 [2019-11-07 04:35:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:54,924 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2019-11-07 04:35:54,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2019-11-07 04:35:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:54,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:54,928 INFO L410 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] [2019-11-07 04:35:54,928 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:54,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:54,929 INFO L82 PathProgramCache]: Analyzing trace with hash 773929919, now seen corresponding path program 1 times [2019-11-07 04:35:54,929 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:54,929 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134010061] [2019-11-07 04:35:54,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:55,093 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134010061] [2019-11-07 04:35:55,094 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:55,094 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:55,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293779978] [2019-11-07 04:35:55,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:55,097 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:55,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:55,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:55,098 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 3 states. [2019-11-07 04:35:55,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:55,129 INFO L93 Difference]: Finished difference Result 181 states and 206 transitions. [2019-11-07 04:35:55,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:55,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:55,133 INFO L225 Difference]: With dead ends: 181 [2019-11-07 04:35:55,133 INFO L226 Difference]: Without dead ends: 110 [2019-11-07 04:35:55,135 INFO L630 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 [2019-11-07 04:35:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-07 04:35:55,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-07 04:35:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-07 04:35:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2019-11-07 04:35:55,150 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 124 transitions. Word has length 53 [2019-11-07 04:35:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:55,150 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 124 transitions. [2019-11-07 04:35:55,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 124 transitions. [2019-11-07 04:35:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:35:55,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:55,153 INFO L410 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] [2019-11-07 04:35:55,154 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:55,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1489195522, now seen corresponding path program 1 times [2019-11-07 04:35:55,155 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:55,155 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270895401] [2019-11-07 04:35:55,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:55,370 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270895401] [2019-11-07 04:35:55,370 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:55,370 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:55,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489379596] [2019-11-07 04:35:55,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:55,372 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:55,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:55,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:55,372 INFO L87 Difference]: Start difference. First operand 110 states and 124 transitions. Second operand 7 states. [2019-11-07 04:35:55,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:55,903 INFO L93 Difference]: Finished difference Result 329 states and 386 transitions. [2019-11-07 04:35:55,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:35:55,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:35:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:55,915 INFO L225 Difference]: With dead ends: 329 [2019-11-07 04:35:55,915 INFO L226 Difference]: Without dead ends: 244 [2019-11-07 04:35:55,919 INFO L630 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 [2019-11-07 04:35:55,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-11-07 04:35:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 226. [2019-11-07 04:35:55,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-11-07 04:35:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 263 transitions. [2019-11-07 04:35:55,968 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 263 transitions. Word has length 56 [2019-11-07 04:35:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:55,968 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 263 transitions. [2019-11-07 04:35:55,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 263 transitions. [2019-11-07 04:35:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:35:55,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:55,975 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:55,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:55,977 INFO L82 PathProgramCache]: Analyzing trace with hash 221036940, now seen corresponding path program 1 times [2019-11-07 04:35:55,978 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:55,978 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352514853] [2019-11-07 04:35:55,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:56,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:35:56,160 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352514853] [2019-11-07 04:35:56,161 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:56,161 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:56,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615039165] [2019-11-07 04:35:56,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:56,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:56,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:56,163 INFO L87 Difference]: Start difference. First operand 226 states and 263 transitions. Second operand 7 states. [2019-11-07 04:35:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:56,857 INFO L93 Difference]: Finished difference Result 573 states and 720 transitions. [2019-11-07 04:35:56,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:35:56,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:35:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:56,864 INFO L225 Difference]: With dead ends: 573 [2019-11-07 04:35:56,864 INFO L226 Difference]: Without dead ends: 372 [2019-11-07 04:35:56,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:35:56,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-11-07 04:35:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 328. [2019-11-07 04:35:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-11-07 04:35:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 384 transitions. [2019-11-07 04:35:56,936 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 384 transitions. Word has length 61 [2019-11-07 04:35:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:56,937 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 384 transitions. [2019-11-07 04:35:56,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 384 transitions. [2019-11-07 04:35:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-07 04:35:56,943 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:56,943 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:56,943 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:56,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:56,944 INFO L82 PathProgramCache]: Analyzing trace with hash 276736719, now seen corresponding path program 1 times [2019-11-07 04:35:56,944 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:56,944 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641055887] [2019-11-07 04:35:56,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:57,218 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641055887] [2019-11-07 04:35:57,218 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:57,218 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:35:57,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450576949] [2019-11-07 04:35:57,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:35:57,220 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:57,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:35:57,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:35:57,222 INFO L87 Difference]: Start difference. First operand 328 states and 384 transitions. Second operand 12 states. [2019-11-07 04:35:58,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:58,335 INFO L93 Difference]: Finished difference Result 1006 states and 1218 transitions. [2019-11-07 04:35:58,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:35:58,336 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2019-11-07 04:35:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:58,343 INFO L225 Difference]: With dead ends: 1006 [2019-11-07 04:35:58,344 INFO L226 Difference]: Without dead ends: 703 [2019-11-07 04:35:58,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2019-11-07 04:35:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 528. [2019-11-07 04:35:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-11-07 04:35:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 624 transitions. [2019-11-07 04:35:58,426 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 624 transitions. Word has length 86 [2019-11-07 04:35:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:58,426 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 624 transitions. [2019-11-07 04:35:58,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:35:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 624 transitions. [2019-11-07 04:35:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 04:35:58,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:58,432 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:58,433 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:58,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:58,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2102073, now seen corresponding path program 1 times [2019-11-07 04:35:58,433 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:58,433 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515954274] [2019-11-07 04:35:58,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:58,677 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515954274] [2019-11-07 04:35:58,678 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:58,678 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:35:58,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215636877] [2019-11-07 04:35:58,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:35:58,679 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:58,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:35:58,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:35:58,680 INFO L87 Difference]: Start difference. First operand 528 states and 624 transitions. Second operand 9 states. [2019-11-07 04:35:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:59,666 INFO L93 Difference]: Finished difference Result 1599 states and 1955 transitions. [2019-11-07 04:35:59,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:35:59,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-11-07 04:35:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:59,674 INFO L225 Difference]: With dead ends: 1599 [2019-11-07 04:35:59,675 INFO L226 Difference]: Without dead ends: 1236 [2019-11-07 04:35:59,677 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2019-11-07 04:35:59,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1150. [2019-11-07 04:35:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2019-11-07 04:35:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1380 transitions. [2019-11-07 04:35:59,751 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1380 transitions. Word has length 89 [2019-11-07 04:35:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:59,752 INFO L462 AbstractCegarLoop]: Abstraction has 1150 states and 1380 transitions. [2019-11-07 04:35:59,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:35:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1380 transitions. [2019-11-07 04:35:59,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 04:35:59,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:59,755 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:59,755 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1107080697, now seen corresponding path program 1 times [2019-11-07 04:35:59,756 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:59,756 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146679683] [2019-11-07 04:35:59,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:35:59,893 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146679683] [2019-11-07 04:35:59,893 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761203064] [2019-11-07 04:35:59,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:36:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:36:00,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:36:00,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:36:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:36:00,274 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:36:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:36:00,742 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1528972490] [2019-11-07 04:36:00,778 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2019-11-07 04:36:00,779 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:36:00,786 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:36:00,802 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:36:00,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:36:11,666 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:36:13,228 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:36:13,473 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:13,693 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:13,856 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,156 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:14,263 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,390 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:36:14,568 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:36:14,579 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:36:14,590 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:36:14,817 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:14,985 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:15,154 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:15,274 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:15,410 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:15,567 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:15,693 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:15,919 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,073 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,223 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:36:16,355 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,578 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,760 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:16,896 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,019 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,142 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,263 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,401 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,514 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,645 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,762 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:17,875 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,157 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:18,349 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:18,481 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:18,621 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:18,734 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:18,876 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:36:19,004 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,192 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,307 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,447 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:36:19,560 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,694 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:36:19,841 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:36:19,859 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:36:20,021 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:20,151 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:20,312 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,427 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:20,544 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:36:20,699 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:20,707 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:36:20,929 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:36:21,274 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:36:21,764 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:36:22,209 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:36:22,802 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2019-11-07 04:36:23,019 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-11-07 04:36:23,693 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2019-11-07 04:36:23,860 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-07 04:36:24,051 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-07 04:36:24,697 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2019-11-07 04:36:25,187 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2019-11-07 04:36:25,238 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 134 for LOIs [2019-11-07 04:36:25,241 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 139 for LOIs [2019-11-07 04:36:26,581 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 146 for LOIs [2019-11-07 04:36:26,585 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 144 for LOIs [2019-11-07 04:36:27,777 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 143 for LOIs [2019-11-07 04:36:28,118 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 143 for LOIs [2019-11-07 04:36:28,121 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 142 for LOIs [2019-11-07 04:36:28,389 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 140 for LOIs [2019-11-07 04:36:28,506 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 140 for LOIs [2019-11-07 04:36:28,508 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 144 for LOIs [2019-11-07 04:36:28,510 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 144 for LOIs [2019-11-07 04:36:28,513 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-11-07 04:36:28,523 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-11-07 04:36:28,538 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 154 for LOIs [2019-11-07 04:36:29,239 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 163 for LOIs [2019-11-07 04:36:29,257 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 154 for LOIs [2019-11-07 04:36:29,273 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 133 for LOIs [2019-11-07 04:36:29,492 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 130 for LOIs [2019-11-07 04:36:29,495 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 538 for LOIs [2019-11-07 04:36:29,507 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 544 for LOIs [2019-11-07 04:36:29,516 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 536 for LOIs [2019-11-07 04:36:29,525 INFO L180 IcfgInterpreter]: Interpretation finished