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_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:03,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:03,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:03,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:03,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:03,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:03,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:03,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:03,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:03,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:03,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:03,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:03,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:03,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:03,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:03,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:03,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:03,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:03,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:03,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:03,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:03,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:03,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:03,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:03,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:03,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:03,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:03,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:03,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:03,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:03,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:03,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:03,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:03,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:03,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:03,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:03,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:03,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:03,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:03,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:03,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:03,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:17:03,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:03,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:03,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:03,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:03,453 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:03,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:03,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:03,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:03,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:03,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:03,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:03,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:03,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:03,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:03,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:03,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:03,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:03,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:03,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:03,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:03,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:03,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:03,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:03,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:03,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:03,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:03,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:03,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:03,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:17:03,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:03,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:03,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:03,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:03,800 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:03,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-10-07 15:17:03,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fbd54e0/3a896f100c544117b0f76b22552293c5/FLAGc3e0454d9 [2019-10-07 15:17:04,371 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:04,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-10-07 15:17:04,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fbd54e0/3a896f100c544117b0f76b22552293c5/FLAGc3e0454d9 [2019-10-07 15:17:04,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62fbd54e0/3a896f100c544117b0f76b22552293c5 [2019-10-07 15:17:04,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:04,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:04,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:04,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:04,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:04,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:04" (1/1) ... [2019-10-07 15:17:04,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:04, skipping insertion in model container [2019-10-07 15:17:04,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:04" (1/1) ... [2019-10-07 15:17:04,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:04,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:05,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:05,273 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:05,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:05,405 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:05,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05 WrapperNode [2019-10-07 15:17:05,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:05,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:05,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:05,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:05,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... [2019-10-07 15:17:05,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:05,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:05,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:05,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:05,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:07,319 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:07,319 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:07,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:07 BoogieIcfgContainer [2019-10-07 15:17:07,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:07,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:07,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:07,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:07,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:04" (1/3) ... [2019-10-07 15:17:07,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ca9af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:07, skipping insertion in model container [2019-10-07 15:17:07,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:05" (2/3) ... [2019-10-07 15:17:07,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ca9af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:07, skipping insertion in model container [2019-10-07 15:17:07,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:07" (3/3) ... [2019-10-07 15:17:07,329 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2019-10-07 15:17:07,339 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:07,349 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:07,360 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:07,391 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:07,392 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:07,392 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:07,392 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:07,392 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:07,393 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:07,393 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:07,393 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-10-07 15:17:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:07,427 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:07,428 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:07,430 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:07,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:07,437 INFO L82 PathProgramCache]: Analyzing trace with hash -295312722, now seen corresponding path program 1 times [2019-10-07 15:17:07,446 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:07,447 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:07,830 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,831 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:07,831 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:07,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:07,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:07,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:07,852 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-10-07 15:17:07,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:07,896 INFO L93 Difference]: Finished difference Result 234 states and 285 transitions. [2019-10-07 15:17:07,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:07,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:07,911 INFO L225 Difference]: With dead ends: 234 [2019-10-07 15:17:07,911 INFO L226 Difference]: Without dead ends: 119 [2019-10-07 15:17:07,916 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-07 15:17:07,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-07 15:17:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-07 15:17:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-10-07 15:17:07,974 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 46 [2019-10-07 15:17:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:07,974 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-10-07 15:17:07,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-10-07 15:17:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:07,978 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:07,979 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:07,979 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash -476145757, now seen corresponding path program 1 times [2019-10-07 15:17:07,980 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:07,980 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:07,980 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,980 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:08,133 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,133 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:08,133 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:08,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:08,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:08,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:08,137 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 3 states. [2019-10-07 15:17:08,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:08,184 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2019-10-07 15:17:08,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:08,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:08,191 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:17:08,191 INFO L226 Difference]: Without dead ends: 111 [2019-10-07 15:17:08,194 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-07 15:17:08,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-07 15:17:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-07 15:17:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2019-10-07 15:17:08,223 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 47 [2019-10-07 15:17:08,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:08,225 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2019-10-07 15:17:08,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2019-10-07 15:17:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:17:08,233 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:08,233 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:08,233 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:08,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:08,234 INFO L82 PathProgramCache]: Analyzing trace with hash -459307044, now seen corresponding path program 1 times [2019-10-07 15:17:08,234 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:08,236 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:08,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,510 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:08,511 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:08,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:08,512 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 7 states. [2019-10-07 15:17:08,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:08,877 INFO L93 Difference]: Finished difference Result 197 states and 230 transitions. [2019-10-07 15:17:08,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:08,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:17:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:08,879 INFO L225 Difference]: With dead ends: 197 [2019-10-07 15:17:08,880 INFO L226 Difference]: Without dead ends: 111 [2019-10-07 15:17:08,882 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:08,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-07 15:17:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-07 15:17:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-07 15:17:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2019-10-07 15:17:08,907 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 50 [2019-10-07 15:17:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:08,908 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2019-10-07 15:17:08,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2019-10-07 15:17:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:17:08,911 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:08,912 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:08,912 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:08,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:08,916 INFO L82 PathProgramCache]: Analyzing trace with hash -2146061934, now seen corresponding path program 1 times [2019-10-07 15:17:08,916 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:08,916 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,916 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,916 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,071 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,072 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,072 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:09,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:09,073 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 5 states. [2019-10-07 15:17:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:09,597 INFO L93 Difference]: Finished difference Result 293 states and 349 transitions. [2019-10-07 15:17:09,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:09,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:17:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:09,605 INFO L225 Difference]: With dead ends: 293 [2019-10-07 15:17:09,605 INFO L226 Difference]: Without dead ends: 207 [2019-10-07 15:17:09,611 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-07 15:17:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 190. [2019-10-07 15:17:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-07 15:17:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 213 transitions. [2019-10-07 15:17:09,663 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 213 transitions. Word has length 63 [2019-10-07 15:17:09,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:09,664 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 213 transitions. [2019-10-07 15:17:09,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 213 transitions. [2019-10-07 15:17:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 15:17:09,667 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:09,667 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:09,667 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:09,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:09,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1687073395, now seen corresponding path program 1 times [2019-10-07 15:17:09,668 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:09,668 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,674 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,674 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,849 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,849 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,849 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:09,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:09,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:09,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:09,852 INFO L87 Difference]: Start difference. First operand 190 states and 213 transitions. Second operand 6 states. [2019-10-07 15:17:10,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,072 INFO L93 Difference]: Finished difference Result 503 states and 580 transitions. [2019-10-07 15:17:10,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:10,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-07 15:17:10,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,077 INFO L225 Difference]: With dead ends: 503 [2019-10-07 15:17:10,078 INFO L226 Difference]: Without dead ends: 338 [2019-10-07 15:17:10,079 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-07 15:17:10,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 328. [2019-10-07 15:17:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-10-07 15:17:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 366 transitions. [2019-10-07 15:17:10,131 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 366 transitions. Word has length 72 [2019-10-07 15:17:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,132 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 366 transitions. [2019-10-07 15:17:10,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 366 transitions. [2019-10-07 15:17:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:17:10,134 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,134 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:10,134 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:10,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:10,134 INFO L82 PathProgramCache]: Analyzing trace with hash 714052494, now seen corresponding path program 1 times [2019-10-07 15:17:10,135 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:10,135 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:10,273 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,273 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:10,273 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:10,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:10,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:10,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:10,274 INFO L87 Difference]: Start difference. First operand 328 states and 366 transitions. Second operand 7 states. [2019-10-07 15:17:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,860 INFO L93 Difference]: Finished difference Result 519 states and 601 transitions. [2019-10-07 15:17:10,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:10,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-10-07 15:17:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,864 INFO L225 Difference]: With dead ends: 519 [2019-10-07 15:17:10,864 INFO L226 Difference]: Without dead ends: 354 [2019-10-07 15:17:10,865 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-07 15:17:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 327. [2019-10-07 15:17:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-07 15:17:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 363 transitions. [2019-10-07 15:17:10,889 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 363 transitions. Word has length 75 [2019-10-07 15:17:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,890 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 363 transitions. [2019-10-07 15:17:10,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 363 transitions. [2019-10-07 15:17:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:17:10,892 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,892 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:10,892 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:10,893 INFO L82 PathProgramCache]: Analyzing trace with hash -842811046, now seen corresponding path program 1 times [2019-10-07 15:17:10,893 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:10,893 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,893 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,894 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:11,084 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,085 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:11,085 INFO L95 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 [2019-10-07 15:17:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:11,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:11,423 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:11,599 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:11,600 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:11,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:11,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:11,603 INFO L87 Difference]: Start difference. First operand 327 states and 363 transitions. Second operand 3 states. [2019-10-07 15:17:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:11,656 INFO L93 Difference]: Finished difference Result 467 states and 531 transitions. [2019-10-07 15:17:11,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:11,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-07 15:17:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:11,660 INFO L225 Difference]: With dead ends: 467 [2019-10-07 15:17:11,660 INFO L226 Difference]: Without dead ends: 464 [2019-10-07 15:17:11,661 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-07 15:17:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2019-10-07 15:17:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-07 15:17:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 519 transitions. [2019-10-07 15:17:11,728 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 519 transitions. Word has length 88 [2019-10-07 15:17:11,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:11,731 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 519 transitions. [2019-10-07 15:17:11,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 519 transitions. [2019-10-07 15:17:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 15:17:11,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:11,739 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:11,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:11,950 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:11,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:11,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1681364949, now seen corresponding path program 1 times [2019-10-07 15:17:11,951 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:11,951 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:17:12,141 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:12,141 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:12,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:17:12,499 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:17:13,273 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:13,273 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:13,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:13,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:13,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:13,275 INFO L87 Difference]: Start difference. First operand 457 states and 519 transitions. Second operand 11 states. [2019-10-07 15:17:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:13,958 INFO L93 Difference]: Finished difference Result 991 states and 1163 transitions. [2019-10-07 15:17:13,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:13,959 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2019-10-07 15:17:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:13,963 INFO L225 Difference]: With dead ends: 991 [2019-10-07 15:17:13,963 INFO L226 Difference]: Without dead ends: 559 [2019-10-07 15:17:13,965 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2019-10-07 15:17:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 548. [2019-10-07 15:17:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2019-10-07 15:17:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 618 transitions. [2019-10-07 15:17:13,998 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 618 transitions. Word has length 140 [2019-10-07 15:17:13,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:13,999 INFO L462 AbstractCegarLoop]: Abstraction has 548 states and 618 transitions. [2019-10-07 15:17:13,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 618 transitions. [2019-10-07 15:17:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 15:17:14,006 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:14,007 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-10-07 15:17:14,210 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:14,211 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:14,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:14,212 INFO L82 PathProgramCache]: Analyzing trace with hash 338635106, now seen corresponding path program 1 times [2019-10-07 15:17:14,213 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:14,213 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:14,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:14,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-07 15:17:14,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:14,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:14,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:14,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 15:17:14,999 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 15:17:15,733 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:15,733 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:17:15,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:15,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:15,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:17:15,735 INFO L87 Difference]: Start difference. First operand 548 states and 618 transitions. Second operand 11 states. [2019-10-07 15:17:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:16,506 INFO L93 Difference]: Finished difference Result 1137 states and 1304 transitions. [2019-10-07 15:17:16,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:16,506 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2019-10-07 15:17:16,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:16,508 INFO L225 Difference]: With dead ends: 1137 [2019-10-07 15:17:16,508 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:16,512 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:17:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:16,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2019-10-07 15:17:16,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:16,515 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:16,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:16,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:16,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:16,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:18,746 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 17 [2019-10-07 15:17:18,935 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-07 15:17:18,935 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-07 15:17:18,935 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-07 15:17:18,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-07 15:17:18,936 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-07 15:17:18,937 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:17:18,937 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:17:18,937 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:17:18,937 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:17:18,937 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,937 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:18,938 INFO L439 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:17:18,938 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2019-10-07 15:17:18,938 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-07 15:17:18,938 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2019-10-07 15:17:18,938 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-07 15:17:18,938 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,938 INFO L439 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,939 INFO L439 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-07 15:17:18,939 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-07 15:17:18,940 INFO L439 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:18,941 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2019-10-07 15:17:18,941 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:18,941 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:18,941 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-10-07 15:17:18,941 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:18,942 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-07 15:17:18,942 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-07 15:17:18,942 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:18,942 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2019-10-07 15:17:18,942 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2019-10-07 15:17:18,942 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2019-10-07 15:17:18,942 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 790 825) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 790 825) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-07 15:17:18,943 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,944 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,944 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2019-10-07 15:17:18,944 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-07 15:17:18,944 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-07 15:17:18,944 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0)) (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:18,945 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2019-10-07 15:17:18,945 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2019-10-07 15:17:18,945 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2019-10-07 15:17:18,945 INFO L439 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:18,945 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2019-10-07 15:17:18,945 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2019-10-07 15:17:18,945 INFO L439 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse0 .cse1))) [2019-10-07 15:17:18,945 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:18,945 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse0 .cse1))) [2019-10-07 15:17:18,945 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2019-10-07 15:17:18,946 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-10-07 15:17:18,946 INFO L443 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2019-10-07 15:17:18,946 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2019-10-07 15:17:18,946 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2019-10-07 15:17:18,946 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2019-10-07 15:17:18,946 INFO L439 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,946 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,946 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2019-10-07 15:17:18,946 INFO L439 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,946 INFO L443 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2019-10-07 15:17:18,947 INFO L439 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,947 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2019-10-07 15:17:18,947 INFO L439 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,947 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2019-10-07 15:17:18,947 INFO L443 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2019-10-07 15:17:18,947 INFO L439 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:18,947 INFO L439 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:18,947 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-07 15:17:18,947 INFO L443 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L439 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-10-07 15:17:18,948 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2019-10-07 15:17:18,949 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:18,949 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-07 15:17:18,949 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:18,949 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2019-10-07 15:17:18,949 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2019-10-07 15:17:18,949 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:17:18,949 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:17:18,950 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-07 15:17:18,951 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-07 15:17:18,952 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2019-10-07 15:17:18,953 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:18,953 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:18,953 INFO L443 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2019-10-07 15:17:18,953 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 521 529) no Hoare annotation was computed. [2019-10-07 15:17:18,953 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2019-10-07 15:17:18,953 INFO L446 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2019-10-07 15:17:18,953 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L443 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2019-10-07 15:17:18,954 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (or (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:18,954 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2019-10-07 15:17:18,954 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2019-10-07 15:17:18,954 INFO L439 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:18,955 INFO L439 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:18,955 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:18,955 INFO L443 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2019-10-07 15:17:18,955 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:17:18,955 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2019-10-07 15:17:18,955 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2019-10-07 15:17:18,955 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2019-10-07 15:17:18,955 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2019-10-07 15:17:18,956 INFO L446 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2019-10-07 15:17:18,956 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-07 15:17:18,956 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-10-07 15:17:18,956 INFO L446 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2019-10-07 15:17:18,956 INFO L446 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2019-10-07 15:17:18,956 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-10-07 15:17:18,956 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-10-07 15:17:18,956 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: true [2019-10-07 15:17:18,957 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2019-10-07 15:17:18,957 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2019-10-07 15:17:18,957 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2019-10-07 15:17:18,957 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:18,957 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:18,957 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:18,957 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:18,958 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-10-07 15:17:18,958 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:18,958 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2019-10-07 15:17:18,958 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: true [2019-10-07 15:17:18,958 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-07 15:17:18,958 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2019-10-07 15:17:18,958 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2019-10-07 15:17:18,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:18 BoogieIcfgContainer [2019-10-07 15:17:18,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:18,977 INFO L168 Benchmark]: Toolchain (without parser) took 14248.16 ms. Allocated memory was 137.4 MB in the beginning and 440.9 MB in the end (delta: 303.6 MB). Free memory was 100.8 MB in the beginning and 296.8 MB in the end (delta: -196.0 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,978 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.04 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 100.6 MB in the beginning and 166.7 MB in the end (delta: -66.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,979 INFO L168 Benchmark]: Boogie Preprocessor took 99.65 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 161.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,980 INFO L168 Benchmark]: RCFGBuilder took 1814.43 ms. Allocated memory was 199.8 MB in the beginning and 231.2 MB in the end (delta: 31.5 MB). Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,982 INFO L168 Benchmark]: TraceAbstraction took 11652.43 ms. Allocated memory was 231.2 MB in the beginning and 440.9 MB in the end (delta: 209.7 MB). Free memory was 143.0 MB in the beginning and 296.8 MB in the end (delta: -153.8 MB). Peak memory consumption was 215.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:18,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.04 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 100.6 MB in the beginning and 166.7 MB in the end (delta: -66.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.65 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 161.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1814.43 ms. Allocated memory was 199.8 MB in the beginning and 231.2 MB in the end (delta: 31.5 MB). Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11652.43 ms. Allocated memory was 231.2 MB in the beginning and 440.9 MB in the end (delta: 209.7 MB). Free memory was 143.0 MB in the beginning and 296.8 MB in the end (delta: -153.8 MB). Peak memory consumption was 215.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 191 locations, 1 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, HoareTripleCheckerStatistics: 1221 SDtfs, 722 SDslu, 2600 SDs, 0 SdLazy, 1926 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 957 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 72 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1135 PreInvPairs, 1195 NumberOfFragments, 1115 HoareAnnotationTreeSize, 1135 FomulaSimplifications, 1959 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 3167 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1181 NumberOfCodeBlocks, 1181 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1580 ConstructedInterpolants, 0 QuantifiedInterpolants, 329941 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2748 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 499/546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...