/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:09,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:09,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:09,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:09,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:09,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:09,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:09,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:09,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:09,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:09,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:09,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:09,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:09,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:09,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:09,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:09,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:09,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:09,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:09,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:09,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:09,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:09,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:09,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:09,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:09,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:09,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:09,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:09,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:09,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:09,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:09,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:09,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:09,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:09,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:09,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:09,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:09,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:09,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:09,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:09,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:09,475 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 04:35:09,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:09,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:09,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:09,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:09,493 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:09,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:09,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:09,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:09,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:09,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:09,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:09,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:09,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:09,495 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:09,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:09,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:09,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:09,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:09,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:09,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:09,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:09,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:09,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:09,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:09,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:09,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:09,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:09,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:09,498 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 04:35:09,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:09,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:09,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:09,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:09,829 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:09,830 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-11-07 04:35:09,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/714e8e3f0/ac51a3062ee042daa4483c3aa9e71267/FLAG490204c8d [2019-11-07 04:35:10,351 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:10,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-11-07 04:35:10,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/714e8e3f0/ac51a3062ee042daa4483c3aa9e71267/FLAG490204c8d [2019-11-07 04:35:10,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/714e8e3f0/ac51a3062ee042daa4483c3aa9e71267 [2019-11-07 04:35:10,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:10,734 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:10,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:10,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:10,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:10,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:10" (1/1) ... [2019-11-07 04:35:10,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585ecb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:10, skipping insertion in model container [2019-11-07 04:35:10,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:10" (1/1) ... [2019-11-07 04:35:10,751 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:10,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:11,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:11,249 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:11,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:11,364 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:11,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11 WrapperNode [2019-11-07 04:35:11,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:11,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:11,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:11,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:11,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (1/1) ... [2019-11-07 04:35:11,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:11,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:11,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:11,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:11,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (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 04:35:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:13,322 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:13,323 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:13,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:13 BoogieIcfgContainer [2019-11-07 04:35:13,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:13,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:13,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:13,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:13,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:10" (1/3) ... [2019-11-07 04:35:13,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:13, skipping insertion in model container [2019-11-07 04:35:13,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:11" (2/3) ... [2019-11-07 04:35:13,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:13, skipping insertion in model container [2019-11-07 04:35:13,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:13" (3/3) ... [2019-11-07 04:35:13,334 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-11-07 04:35:13,344 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:13,354 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:13,367 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:13,409 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:13,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:13,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:13,410 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:13,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:13,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:13,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:13,412 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-07 04:35:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:13,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:13,466 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 04:35:13,471 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:13,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:13,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1430999269, now seen corresponding path program 1 times [2019-11-07 04:35:13,489 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:13,489 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741494714] [2019-11-07 04:35:13,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:13,880 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 04:35:13,881 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741494714] [2019-11-07 04:35:13,883 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:13,886 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:13,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157505077] [2019-11-07 04:35:13,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:13,895 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:13,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:13,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:13,913 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-07 04:35:13,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:13,993 INFO L93 Difference]: Finished difference Result 212 states and 257 transitions. [2019-11-07 04:35:13,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:14,003 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:14,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:14,027 INFO L225 Difference]: With dead ends: 212 [2019-11-07 04:35:14,027 INFO L226 Difference]: Without dead ends: 108 [2019-11-07 04:35:14,035 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 04:35:14,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-07 04:35:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-07 04:35:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-07 04:35:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-11-07 04:35:14,128 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 52 [2019-11-07 04:35:14,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:14,129 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-11-07 04:35:14,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-11-07 04:35:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:14,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:14,135 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 04:35:14,135 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:14,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:14,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1813146696, now seen corresponding path program 1 times [2019-11-07 04:35:14,136 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:14,137 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929703641] [2019-11-07 04:35:14,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:14,277 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 04:35:14,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929703641] [2019-11-07 04:35:14,278 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:14,278 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:14,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517638917] [2019-11-07 04:35:14,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:14,280 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:14,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:14,281 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2019-11-07 04:35:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:14,300 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2019-11-07 04:35:14,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:14,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:14,303 INFO L225 Difference]: With dead ends: 158 [2019-11-07 04:35:14,303 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:35:14,305 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 04:35:14,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:35:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-07 04:35:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:35:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2019-11-07 04:35:14,317 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2019-11-07 04:35:14,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:14,318 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2019-11-07 04:35:14,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2019-11-07 04:35:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:35:14,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:14,321 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] [2019-11-07 04:35:14,321 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:14,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1653695220, now seen corresponding path program 1 times [2019-11-07 04:35:14,322 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:14,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304377952] [2019-11-07 04:35:14,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:14,542 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 04:35:14,543 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304377952] [2019-11-07 04:35:14,543 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:14,543 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:14,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23868724] [2019-11-07 04:35:14,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:14,544 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:14,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:14,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:14,545 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 7 states. [2019-11-07 04:35:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:14,958 INFO L93 Difference]: Finished difference Result 300 states and 356 transitions. [2019-11-07 04:35:14,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:35:14,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 04:35:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:14,962 INFO L225 Difference]: With dead ends: 300 [2019-11-07 04:35:14,962 INFO L226 Difference]: Without dead ends: 225 [2019-11-07 04:35:14,963 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 04:35:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-11-07 04:35:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 203. [2019-11-07 04:35:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-07 04:35:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 238 transitions. [2019-11-07 04:35:15,010 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 238 transitions. Word has length 57 [2019-11-07 04:35:15,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:15,012 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 238 transitions. [2019-11-07 04:35:15,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2019-11-07 04:35:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:35:15,018 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:15,018 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 04:35:15,018 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:15,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:15,019 INFO L82 PathProgramCache]: Analyzing trace with hash -221113546, now seen corresponding path program 1 times [2019-11-07 04:35:15,019 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:15,019 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731698127] [2019-11-07 04:35:15,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:15,126 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 04:35:15,126 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731698127] [2019-11-07 04:35:15,127 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:15,127 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:15,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761640190] [2019-11-07 04:35:15,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:15,128 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:15,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:15,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:15,129 INFO L87 Difference]: Start difference. First operand 203 states and 238 transitions. Second operand 7 states. [2019-11-07 04:35:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:15,784 INFO L93 Difference]: Finished difference Result 527 states and 671 transitions. [2019-11-07 04:35:15,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:35:15,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:35:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:15,794 INFO L225 Difference]: With dead ends: 527 [2019-11-07 04:35:15,794 INFO L226 Difference]: Without dead ends: 349 [2019-11-07 04:35:15,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:35:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-07 04:35:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2019-11-07 04:35:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-11-07 04:35:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 358 transitions. [2019-11-07 04:35:15,867 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 358 transitions. Word has length 61 [2019-11-07 04:35:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:15,868 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 358 transitions. [2019-11-07 04:35:15,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 358 transitions. [2019-11-07 04:35:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-07 04:35:15,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:15,876 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] [2019-11-07 04:35:15,880 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:15,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:15,880 INFO L82 PathProgramCache]: Analyzing trace with hash -100684817, now seen corresponding path program 1 times [2019-11-07 04:35:15,881 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:15,881 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145330403] [2019-11-07 04:35:15,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:16,187 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 04:35:16,188 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145330403] [2019-11-07 04:35:16,188 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:16,188 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:35:16,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253290273] [2019-11-07 04:35:16,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:35:16,191 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:16,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:35:16,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:35:16,192 INFO L87 Difference]: Start difference. First operand 304 states and 358 transitions. Second operand 12 states. [2019-11-07 04:35:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:17,180 INFO L93 Difference]: Finished difference Result 967 states and 1161 transitions. [2019-11-07 04:35:17,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:35:17,180 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2019-11-07 04:35:17,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:17,189 INFO L225 Difference]: With dead ends: 967 [2019-11-07 04:35:17,189 INFO L226 Difference]: Without dead ends: 688 [2019-11-07 04:35:17,191 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 04:35:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2019-11-07 04:35:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 671. [2019-11-07 04:35:17,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-11-07 04:35:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 798 transitions. [2019-11-07 04:35:17,278 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 798 transitions. Word has length 74 [2019-11-07 04:35:17,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:17,279 INFO L462 AbstractCegarLoop]: Abstraction has 671 states and 798 transitions. [2019-11-07 04:35:17,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:35:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 798 transitions. [2019-11-07 04:35:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 04:35:17,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:17,282 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] [2019-11-07 04:35:17,282 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1284037466, now seen corresponding path program 1 times [2019-11-07 04:35:17,283 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:17,283 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197727782] [2019-11-07 04:35:17,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:17,467 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 04:35:17,467 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197727782] [2019-11-07 04:35:17,468 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:17,468 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:35:17,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697739943] [2019-11-07 04:35:17,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:35:17,469 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:17,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:35:17,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:35:17,470 INFO L87 Difference]: Start difference. First operand 671 states and 798 transitions. Second operand 9 states. [2019-11-07 04:35:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:18,387 INFO L93 Difference]: Finished difference Result 2138 states and 2619 transitions. [2019-11-07 04:35:18,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:35:18,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2019-11-07 04:35:18,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:18,398 INFO L225 Difference]: With dead ends: 2138 [2019-11-07 04:35:18,398 INFO L226 Difference]: Without dead ends: 1644 [2019-11-07 04:35:18,400 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 04:35:18,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2019-11-07 04:35:18,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1391. [2019-11-07 04:35:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2019-11-07 04:35:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1677 transitions. [2019-11-07 04:35:18,493 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1677 transitions. Word has length 77 [2019-11-07 04:35:18,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:18,493 INFO L462 AbstractCegarLoop]: Abstraction has 1391 states and 1677 transitions. [2019-11-07 04:35:18,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:35:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1677 transitions. [2019-11-07 04:35:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-07 04:35:18,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:18,497 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, 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] [2019-11-07 04:35:18,497 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:18,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:18,498 INFO L82 PathProgramCache]: Analyzing trace with hash -495252672, now seen corresponding path program 1 times [2019-11-07 04:35:18,498 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:18,498 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847051968] [2019-11-07 04:35:18,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:35:18,619 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847051968] [2019-11-07 04:35:18,619 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200152417] [2019-11-07 04:35:18,619 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 04:35:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:18,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:35:18,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:35:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:35:19,049 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:35:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 04:35:19,381 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [33049769] [2019-11-07 04:35:19,412 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2019-11-07 04:35:19,412 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:35:19,420 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:35:19,428 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:35:19,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:35:28,533 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:35:30,351 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:35:30,562 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:30,781 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:30,932 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:31,200 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:31,326 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:31,588 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:31,598 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:35:31,609 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:35:31,833 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:31,974 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:32,177 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:32,298 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:32,487 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:32,633 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:32,743 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:32,871 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:32,994 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:33,103 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:33,215 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:33,391 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:33,534 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:33,654 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:33,830 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:33,969 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,081 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,285 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,420 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,534 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,705 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,816 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:34,934 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:35,071 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:35,262 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:35,402 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:35,530 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:35,641 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:35,753 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:35,875 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:36,082 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:36,213 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:36,343 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:35:36,454 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:36,565 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:36,688 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:35:36,706 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:35:36,877 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:36,990 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:37,126 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:37,451 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:37,460 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-11-07 04:35:37,472 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-11-07 04:35:37,484 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:35:37,723 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:35:38,064 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,617 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:35:39,085 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:35:39,629 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 04:35:39,790 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2019-11-07 04:35:39,954 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-11-07 04:35:40,157 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2019-11-07 04:35:40,338 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-07 04:35:41,380 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 624 [2019-11-07 04:35:41,919 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-11-07 04:35:42,148 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-11-07 04:35:42,362 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-11-07 04:35:42,413 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 142 for LOIs [2019-11-07 04:35:42,421 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 151 for LOIs [2019-11-07 04:35:42,827 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-07 04:35:42,970 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 154 [2019-11-07 04:35:44,466 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 146 for LOIs [2019-11-07 04:35:44,472 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 145 for LOIs [2019-11-07 04:35:45,060 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 156 for LOIs [2019-11-07 04:35:45,064 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 145 for LOIs [2019-11-07 04:35:45,069 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 146 for LOIs [2019-11-07 04:35:45,418 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 137 for LOIs [2019-11-07 04:35:45,420 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 538 for LOIs [2019-11-07 04:35:45,432 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 544 for LOIs [2019-11-07 04:35:45,440 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 536 for LOIs [2019-11-07 04:35:45,450 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 144 for LOIs [2019-11-07 04:35:46,560 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 143 for LOIs [2019-11-07 04:35:46,829 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 143 for LOIs [2019-11-07 04:35:46,831 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 151 for LOIs [2019-11-07 04:35:46,835 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 144 for LOIs [2019-11-07 04:35:46,840 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 04:35:47,581 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 91 [2019-11-07 04:35:47,862 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187