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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:15:17,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:15:17,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:15:17,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:15:17,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:15:17,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:15:17,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:15:17,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:15:17,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:15:17,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:15:17,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:15:17,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:15:17,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:15:17,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:15:17,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:15:17,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:15:17,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:15:17,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:15:17,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:15:17,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:15:17,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:15:17,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:15:17,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:15:17,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:15:17,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:15:17,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:15:17,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:15:17,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:15:17,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:15:17,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:15:17,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:15:17,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:15:17,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:15:17,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:15:17,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:15:17,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:15:17,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:15:17,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:15:17,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:15:17,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:15:17,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:15:17,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:15:17,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:15:17,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:15:17,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:15:17,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:15:17,627 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:15:17,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:15:17,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:15:17,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:15:17,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:15:17,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:15:17,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:15:17,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:15:17,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:15:17,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:15:17,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:15:17,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:15:17,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:15:17,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:15:17,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:15:17,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:15:17,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:15:17,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:15:17,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:15:17,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:15:17,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:15:17,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:15:17,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:15:17,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:15:17,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:15:17,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:15:17,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:15:17,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:15:17,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:15:17,919 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:15:17,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-13 23:15:17,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03902fcfe/985198660f6845bf827844191d4a0b11/FLAGf1b6adc03 [2019-10-13 23:15:18,431 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:15:18,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-13 23:15:18,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03902fcfe/985198660f6845bf827844191d4a0b11/FLAGf1b6adc03 [2019-10-13 23:15:18,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03902fcfe/985198660f6845bf827844191d4a0b11 [2019-10-13 23:15:18,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:15:18,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:15:18,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:18,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:15:18,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:15:18,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:18" (1/1) ... [2019-10-13 23:15:18,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f848f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:18, skipping insertion in model container [2019-10-13 23:15:18,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:18" (1/1) ... [2019-10-13 23:15:18,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:15:18,792 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:15:19,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:19,230 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:15:19,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:19,342 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:15:19,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19 WrapperNode [2019-10-13 23:15:19,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:19,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:15:19,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:15:19,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:15:19,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... [2019-10-13 23:15:19,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:15:19,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:15:19,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:15:19,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:15:19,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:15:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:15:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:15:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:15:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:15:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:15:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:15:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:15:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:15:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:15:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:15:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:15:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:15:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:15:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:15:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:15:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:15:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:15:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:15:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:15:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:15:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:15:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:15:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:15:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:15:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:15:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:15:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:15:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:15:19,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:15:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:15:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:15:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:15:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:15:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:15:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:15:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:15:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:15:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:15:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:15:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:15:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:15:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:15:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:15:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:15:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:15:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:15:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:15:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:15:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:15:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:15:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:15:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:15:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:15:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:15:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:15:21,081 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:15:21,081 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:15:21,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:21 BoogieIcfgContainer [2019-10-13 23:15:21,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:15:21,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:15:21,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:15:21,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:15:21,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:15:18" (1/3) ... [2019-10-13 23:15:21,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451f099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:21, skipping insertion in model container [2019-10-13 23:15:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:19" (2/3) ... [2019-10-13 23:15:21,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451f099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:21, skipping insertion in model container [2019-10-13 23:15:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:21" (3/3) ... [2019-10-13 23:15:21,091 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-10-13 23:15:21,101 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:15:21,109 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:15:21,120 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:15:21,153 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:15:21,153 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:15:21,153 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:15:21,153 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:15:21,154 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:15:21,154 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:15:21,154 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:15:21,154 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:15:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-10-13 23:15:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:15:21,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:21,205 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:21,209 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:21,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2018927942, now seen corresponding path program 1 times [2019-10-13 23:15:21,229 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:21,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915137121] [2019-10-13 23:15:21,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:21,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:21,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:21,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915137121] [2019-10-13 23:15:21,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:21,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:15:21,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211980194] [2019-10-13 23:15:21,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:15:21,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:21,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:15:21,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:21,635 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-10-13 23:15:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:21,718 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2019-10-13 23:15:21,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:15:21,721 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:15:21,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:21,738 INFO L225 Difference]: With dead ends: 220 [2019-10-13 23:15:21,739 INFO L226 Difference]: Without dead ends: 112 [2019-10-13 23:15:21,750 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-13 23:15:21,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-13 23:15:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 23:15:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-10-13 23:15:21,828 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 46 [2019-10-13 23:15:21,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:21,829 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-10-13 23:15:21,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:15:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-10-13 23:15:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:15:21,834 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:21,835 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:21,835 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1008968679, now seen corresponding path program 1 times [2019-10-13 23:15:21,836 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:21,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103956936] [2019-10-13 23:15:21,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:21,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:21,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:21,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103956936] [2019-10-13 23:15:21,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:21,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:21,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023373980] [2019-10-13 23:15:21,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:21,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:21,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:21,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:21,999 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 7 states. [2019-10-13 23:15:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:22,403 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2019-10-13 23:15:22,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:15:22,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:15:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:22,406 INFO L225 Difference]: With dead ends: 199 [2019-10-13 23:15:22,406 INFO L226 Difference]: Without dead ends: 112 [2019-10-13 23:15:22,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:15:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-13 23:15:22,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-13 23:15:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 23:15:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2019-10-13 23:15:22,436 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 47 [2019-10-13 23:15:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:22,436 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2019-10-13 23:15:22,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2019-10-13 23:15:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 23:15:22,447 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:22,448 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:22,449 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:22,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2023443814, now seen corresponding path program 1 times [2019-10-13 23:15:22,449 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:22,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368078624] [2019-10-13 23:15:22,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:22,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:22,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:22,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368078624] [2019-10-13 23:15:22,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:22,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:15:22,614 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107850803] [2019-10-13 23:15:22,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:15:22,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:22,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:15:22,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:15:22,616 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 5 states. [2019-10-13 23:15:23,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:23,127 INFO L93 Difference]: Finished difference Result 317 states and 406 transitions. [2019-10-13 23:15:23,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:23,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-13 23:15:23,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:23,132 INFO L225 Difference]: With dead ends: 317 [2019-10-13 23:15:23,132 INFO L226 Difference]: Without dead ends: 230 [2019-10-13 23:15:23,137 INFO L600 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 [2019-10-13 23:15:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-13 23:15:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 199. [2019-10-13 23:15:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-13 23:15:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 236 transitions. [2019-10-13 23:15:23,195 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 236 transitions. Word has length 63 [2019-10-13 23:15:23,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:23,195 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 236 transitions. [2019-10-13 23:15:23,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:15:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2019-10-13 23:15:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 23:15:23,200 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:23,200 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:23,201 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash 955009479, now seen corresponding path program 1 times [2019-10-13 23:15:23,201 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:23,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630609775] [2019-10-13 23:15:23,202 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,202 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:23,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630609775] [2019-10-13 23:15:23,308 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:23,308 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:23,308 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502281743] [2019-10-13 23:15:23,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:23,309 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:23,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:23,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:23,310 INFO L87 Difference]: Start difference. First operand 199 states and 236 transitions. Second operand 6 states. [2019-10-13 23:15:23,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:23,502 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2019-10-13 23:15:23,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:23,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-10-13 23:15:23,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:23,508 INFO L225 Difference]: With dead ends: 530 [2019-10-13 23:15:23,508 INFO L226 Difference]: Without dead ends: 334 [2019-10-13 23:15:23,510 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:23,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-13 23:15:23,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 324. [2019-10-13 23:15:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-13 23:15:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 374 transitions. [2019-10-13 23:15:23,542 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 374 transitions. Word has length 69 [2019-10-13 23:15:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:23,543 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 374 transitions. [2019-10-13 23:15:23,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 374 transitions. [2019-10-13 23:15:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 23:15:23,544 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:23,544 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:23,545 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:23,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1157443634, now seen corresponding path program 1 times [2019-10-13 23:15:23,545 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:23,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97216613] [2019-10-13 23:15:23,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:23,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97216613] [2019-10-13 23:15:23,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:23,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:23,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769511914] [2019-10-13 23:15:23,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:23,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:23,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:23,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:23,639 INFO L87 Difference]: Start difference. First operand 324 states and 374 transitions. Second operand 3 states. [2019-10-13 23:15:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:23,688 INFO L93 Difference]: Finished difference Result 498 states and 633 transitions. [2019-10-13 23:15:23,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:23,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-13 23:15:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:23,698 INFO L225 Difference]: With dead ends: 498 [2019-10-13 23:15:23,698 INFO L226 Difference]: Without dead ends: 495 [2019-10-13 23:15:23,699 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-13 23:15:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2019-10-13 23:15:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-13 23:15:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 628 transitions. [2019-10-13 23:15:23,756 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 628 transitions. Word has length 75 [2019-10-13 23:15:23,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:23,757 INFO L462 AbstractCegarLoop]: Abstraction has 495 states and 628 transitions. [2019-10-13 23:15:23,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 628 transitions. [2019-10-13 23:15:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 23:15:23,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:23,761 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-10-13 23:15:23,761 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:23,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1336742956, now seen corresponding path program 1 times [2019-10-13 23:15:23,762 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:23,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397592791] [2019-10-13 23:15:23,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:15:23,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397592791] [2019-10-13 23:15:23,883 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:23,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:23,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558859500] [2019-10-13 23:15:23,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:23,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:23,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:23,885 INFO L87 Difference]: Start difference. First operand 495 states and 628 transitions. Second operand 3 states. [2019-10-13 23:15:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:23,909 INFO L93 Difference]: Finished difference Result 728 states and 885 transitions. [2019-10-13 23:15:23,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:23,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-13 23:15:23,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:23,913 INFO L225 Difference]: With dead ends: 728 [2019-10-13 23:15:23,913 INFO L226 Difference]: Without dead ends: 451 [2019-10-13 23:15:23,915 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-13 23:15:23,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-10-13 23:15:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-13 23:15:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2019-10-13 23:15:23,943 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 121 [2019-10-13 23:15:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:23,943 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2019-10-13 23:15:23,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2019-10-13 23:15:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 23:15:23,946 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:23,946 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-10-13 23:15:23,946 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:23,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:23,947 INFO L82 PathProgramCache]: Analyzing trace with hash 914530605, now seen corresponding path program 1 times [2019-10-13 23:15:23,947 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:23,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533795466] [2019-10-13 23:15:23,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,948 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:23,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 23:15:24,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533795466] [2019-10-13 23:15:24,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441255962] [2019-10-13 23:15:24,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:15:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:24,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 23:15:24,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:15:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:15:24,416 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:15:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:15:24,784 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:15:24,784 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 7] total 15 [2019-10-13 23:15:24,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858257980] [2019-10-13 23:15:24,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:24,785 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:24,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:24,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-10-13 23:15:24,786 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 6 states. [2019-10-13 23:15:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:25,091 INFO L93 Difference]: Finished difference Result 728 states and 859 transitions. [2019-10-13 23:15:25,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:15:25,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2019-10-13 23:15:25,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:25,099 INFO L225 Difference]: With dead ends: 728 [2019-10-13 23:15:25,099 INFO L226 Difference]: Without dead ends: 427 [2019-10-13 23:15:25,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-10-13 23:15:25,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-13 23:15:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 412. [2019-10-13 23:15:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-13 23:15:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 466 transitions. [2019-10-13 23:15:25,139 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 466 transitions. Word has length 124 [2019-10-13 23:15:25,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:25,139 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 466 transitions. [2019-10-13 23:15:25,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 466 transitions. [2019-10-13 23:15:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 23:15:25,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:25,146 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-10-13 23:15:25,350 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:15:25,351 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:25,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:25,352 INFO L82 PathProgramCache]: Analyzing trace with hash 390159917, now seen corresponding path program 1 times [2019-10-13 23:15:25,353 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:25,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086867772] [2019-10-13 23:15:25,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:25,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:25,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:15:25,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086867772] [2019-10-13 23:15:25,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293520889] [2019-10-13 23:15:25,447 INFO L94 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 [2019-10-13 23:15:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:25,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 23:15:25,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:15:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:25,726 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:15:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:15:25,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:15:25,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-13 23:15:25,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676539414] [2019-10-13 23:15:25,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:25,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:25,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:25,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:15:25,889 INFO L87 Difference]: Start difference. First operand 412 states and 466 transitions. Second operand 3 states. [2019-10-13 23:15:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:25,951 INFO L93 Difference]: Finished difference Result 756 states and 858 transitions. [2019-10-13 23:15:25,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:25,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-10-13 23:15:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:25,954 INFO L225 Difference]: With dead ends: 756 [2019-10-13 23:15:25,954 INFO L226 Difference]: Without dead ends: 369 [2019-10-13 23:15:25,956 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:15:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-13 23:15:25,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2019-10-13 23:15:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-13 23:15:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 406 transitions. [2019-10-13 23:15:25,974 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 406 transitions. Word has length 124 [2019-10-13 23:15:25,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:25,975 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 406 transitions. [2019-10-13 23:15:25,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 406 transitions. [2019-10-13 23:15:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 23:15:25,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:25,977 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 23:15:26,181 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:15:26,182 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash 604162003, now seen corresponding path program 1 times [2019-10-13 23:15:26,183 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:26,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702216636] [2019-10-13 23:15:26,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:26,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:26,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:15:26,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702216636] [2019-10-13 23:15:26,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019733363] [2019-10-13 23:15:26,444 INFO L94 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 [2019-10-13 23:15:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:26,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:15:26,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:15:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:15:26,842 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:15:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:15:27,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:15:27,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-13 23:15:27,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46593367] [2019-10-13 23:15:27,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:15:27,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:27,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:15:27,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2019-10-13 23:15:27,256 INFO L87 Difference]: Start difference. First operand 369 states and 406 transitions. Second operand 11 states. [2019-10-13 23:15:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:27,810 INFO L93 Difference]: Finished difference Result 727 states and 818 transitions. [2019-10-13 23:15:27,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:15:27,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2019-10-13 23:15:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:27,812 INFO L225 Difference]: With dead ends: 727 [2019-10-13 23:15:27,812 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:15:27,814 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 23:15:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:15:27,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:15:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:15:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:15:27,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2019-10-13 23:15:27,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:27,815 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:15:27,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:15:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:15:27,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:15:28,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:15:28,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:15:28,448 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2019-10-13 23:15:29,219 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-10-13 23:15:29,946 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-10-13 23:15:30,528 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L683(lines 660 684) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-13 23:15:30,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L443 ceAbstractionStarter]: For program point L744(lines 717 745) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2019-10-13 23:15:30,586 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-13 23:15:30,586 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2019-10-13 23:15:30,587 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) 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))) [2019-10-13 23:15:30,587 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:30,587 INFO L439 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:30,587 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-10-13 23:15:30,587 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2019-10-13 23:15:30,587 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 23:15:30,587 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2019-10-13 23:15:30,588 INFO L439 ceAbstractionStarter]: At program point L472(line 472) 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))) [2019-10-13 23:15:30,588 INFO L439 ceAbstractionStarter]: At program point L471(line 471) 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))) [2019-10-13 23:15:30,588 INFO L439 ceAbstractionStarter]: At program point L471-1(line 471) 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))) [2019-10-13 23:15:30,588 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2019-10-13 23:15:30,588 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2019-10-13 23:15:30,588 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2019-10-13 23:15:30,588 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-13 23:15:30,589 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point L288(line 288) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2019-10-13 23:15:30,590 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2019-10-13 23:15:30,591 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) 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))) [2019-10-13 23:15:30,591 INFO L439 ceAbstractionStarter]: At program point L459(line 459) 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))) [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2019-10-13 23:15:30,591 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2019-10-13 23:15:30,592 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2019-10-13 23:15:30,592 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2019-10-13 23:15:30,593 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 23:15:30,593 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-13 23:15:30,593 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-13 23:15:30,593 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-13 23:15:30,593 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 23:15:30,593 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-13 23:15:30,593 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-13 23:15:30,593 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2019-10-13 23:15:30,593 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2019-10-13 23:15:30,594 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 325 390) 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))) [2019-10-13 23:15:30,594 INFO L439 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:15:30,594 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:15:30,594 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-10-13 23:15:30,594 INFO L443 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2019-10-13 23:15:30,594 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2019-10-13 23:15:30,594 INFO L439 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:30,594 INFO L439 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:15:30,594 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= test_~splverifierCounter~0 3))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-13 23:15:30,595 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-13 23:15:30,595 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L439 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 (= 0 ~methAndRunningLastTime~0) .cse0 .cse1))) [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-13 23:15:30,596 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) 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))) [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2019-10-13 23:15:30,596 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L824(lines 802 825) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 799) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L804(lines 803 823) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 841) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 23:15:30,597 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 782) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2019-10-13 23:15:30,598 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-13 23:15:30,599 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2 .cse3) (or (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1 .cse2 .cse3))) [2019-10-13 23:15:30,599 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2019-10-13 23:15:30,599 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:30,599 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:15:30,599 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2019-10-13 23:15:30,599 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2019-10-13 23:15:30,599 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse8 (not .cse7)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 1 ~systemActive~0) .cse8 (= 0 ~methaneLevelCritical~0) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse8 (and .cse9 .cse1) .cse2 .cse3) (or .cse9 .cse2 .cse5 .cse6))))) [2019-10-13 23:15:30,599 INFO L439 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse8 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse8)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse5 (= 0 ~methaneLevelCritical~0) .cse2) (or (and .cse7 .cse0) .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4 .cse7 .cse8)))) [2019-10-13 23:15:30,600 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse3)))) [2019-10-13 23:15:30,600 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse3) .cse2 .cse4) (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-13 23:15:30,600 INFO L443 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2019-10-13 23:15:30,600 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2019-10-13 23:15:30,600 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2019-10-13 23:15:30,600 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2019-10-13 23:15:30,601 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 23:15:30,601 INFO L439 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:15:30,601 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-13 23:15:30,601 INFO L446 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2019-10-13 23:15:30,601 INFO L446 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2019-10-13 23:15:30,601 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:15:30,601 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-13 23:15:30,602 INFO L446 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2019-10-13 23:15:30,602 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2019-10-13 23:15:30,602 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2019-10-13 23:15:30,602 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2019-10-13 23:15:30,602 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2019-10-13 23:15:30,602 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:30,602 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)) [2019-10-13 23:15:30,602 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:30,603 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:15:30,603 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2019-10-13 23:15:30,603 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 23:15:30,603 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:15:30,603 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:15:30,603 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2019-10-13 23:15:30,604 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2019-10-13 23:15:30,604 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 23:15:30,604 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 23:15:30,604 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-13 23:15:30,604 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 23:15:30,604 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 23:15:30,605 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-10-13 23:15:30,605 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2019-10-13 23:15:30,605 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: true [2019-10-13 23:15:30,605 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:15:30,605 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:15:30,605 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:15:30,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:15:30 BoogieIcfgContainer [2019-10-13 23:15:30,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:15:30,622 INFO L168 Benchmark]: Toolchain (without parser) took 11895.18 ms. Allocated memory was 139.5 MB in the beginning and 384.8 MB in the end (delta: 245.4 MB). Free memory was 103.7 MB in the beginning and 122.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,622 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 172.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,624 INFO L168 Benchmark]: Boogie Preprocessor took 107.41 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,625 INFO L168 Benchmark]: RCFGBuilder took 1631.81 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 148.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,626 INFO L168 Benchmark]: TraceAbstraction took 9535.78 ms. Allocated memory was 235.9 MB in the beginning and 384.8 MB in the end (delta: 148.9 MB). Free memory was 148.9 MB in the beginning and 122.5 MB in the end (delta: 26.4 MB). Peak memory consumption was 206.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:30,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.3 MB in the beginning and 172.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.41 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1631.81 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 148.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9535.78 ms. Allocated memory was 235.9 MB in the beginning and 384.8 MB in the end (delta: 148.9 MB). Free memory was 148.9 MB in the beginning and 122.5 MB in the end (delta: 26.4 MB). Peak memory consumption was 206.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && splverifierCounter <= 3) && pumpRunning == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((1 == systemActive && 1 <= pumpRunning) && splverifierCounter <= 3)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 184 locations, 1 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 1261 SDtfs, 671 SDslu, 2118 SDs, 0 SdLazy, 1025 SolverSat, 185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 851 GetRequests, 773 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=495occurred in iteration=5, 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, 56 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1120 PreInvPairs, 1202 NumberOfFragments, 1471 HoareAnnotationTreeSize, 1120 FomulaSimplifications, 994 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 3665 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1171 NumberOfCodeBlocks, 1171 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 262935 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 376/414 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...