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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:09,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:09,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:09,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:09,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:09,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:09,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:09,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:09,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:09,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:09,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:09,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:09,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:09,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:09,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:09,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:09,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:09,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:09,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:09,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:09,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:09,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:09,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:09,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:09,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:09,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:09,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:09,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:09,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:09,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:09,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:09,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:09,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:09,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:09,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:09,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:09,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:09,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:09,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:09,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:09,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:09,616 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 21:20:09,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:09,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:09,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:09,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:09,637 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:09,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:09,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:09,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:09,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:09,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:09,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:09,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:09,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:09,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:09,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:09,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:09,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:09,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:09,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:09,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:09,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:09,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:09,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:09,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:09,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:09,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:09,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:09,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:09,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:09,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:09,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:09,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:09,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:09,937 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:09,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-13 21:20:09,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f077640bb/150972444edb450799f0fff409e37744/FLAGd5e70ccfe [2019-10-13 21:20:10,519 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:10,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-13 21:20:10,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f077640bb/150972444edb450799f0fff409e37744/FLAGd5e70ccfe [2019-10-13 21:20:10,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f077640bb/150972444edb450799f0fff409e37744 [2019-10-13 21:20:10,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:10,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:10,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:10,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:10,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:10" (1/1) ... [2019-10-13 21:20:10,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18051c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:10, skipping insertion in model container [2019-10-13 21:20:10,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:10" (1/1) ... [2019-10-13 21:20:10,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:10,891 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:11,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:11,426 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:11,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:11,589 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:11,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11 WrapperNode [2019-10-13 21:20:11,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:11,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:11,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:11,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:11,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... [2019-10-13 21:20:11,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:11,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:11,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:11,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:11,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:13,065 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:13,065 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:13,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:13 BoogieIcfgContainer [2019-10-13 21:20:13,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:13,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:13,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:13,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:13,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:10" (1/3) ... [2019-10-13 21:20:13,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e74ee80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:13, skipping insertion in model container [2019-10-13 21:20:13,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:11" (2/3) ... [2019-10-13 21:20:13,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e74ee80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:13, skipping insertion in model container [2019-10-13 21:20:13,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:13" (3/3) ... [2019-10-13 21:20:13,080 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2019-10-13 21:20:13,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:13,111 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:13,123 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:13,154 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:13,154 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:13,155 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:13,155 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:13,155 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:13,155 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:13,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:13,156 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2019-10-13 21:20:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:13,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,192 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 21:20:13,194 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1495966497, now seen corresponding path program 1 times [2019-10-13 21:20:13,212 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050703064] [2019-10-13 21:20:13,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,614 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 21:20:13,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050703064] [2019-10-13 21:20:13,616 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:13,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652114694] [2019-10-13 21:20:13,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:13,627 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:13,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:13,645 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2019-10-13 21:20:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,731 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2019-10-13 21:20:13,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:13,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,767 INFO L225 Difference]: With dead ends: 320 [2019-10-13 21:20:13,767 INFO L226 Difference]: Without dead ends: 160 [2019-10-13 21:20:13,776 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 21:20:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-13 21:20:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-13 21:20:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-13 21:20:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2019-10-13 21:20:13,886 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2019-10-13 21:20:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,887 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2019-10-13 21:20:13,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2019-10-13 21:20:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:13,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,902 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 21:20:13,902 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1681348133, now seen corresponding path program 1 times [2019-10-13 21:20:13,903 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429129126] [2019-10-13 21:20:13,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,092 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 21:20:14,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429129126] [2019-10-13 21:20:14,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:14,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869596986] [2019-10-13 21:20:14,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:14,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:14,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:14,097 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2019-10-13 21:20:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,129 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2019-10-13 21:20:14,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:14,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,132 INFO L225 Difference]: With dead ends: 259 [2019-10-13 21:20:14,132 INFO L226 Difference]: Without dead ends: 151 [2019-10-13 21:20:14,134 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 21:20:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-13 21:20:14,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-10-13 21:20:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-13 21:20:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2019-10-13 21:20:14,151 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2019-10-13 21:20:14,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,151 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2019-10-13 21:20:14,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2019-10-13 21:20:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:14,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,154 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] [2019-10-13 21:20:14,154 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,154 INFO L82 PathProgramCache]: Analyzing trace with hash 833077427, now seen corresponding path program 1 times [2019-10-13 21:20:14,155 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668857068] [2019-10-13 21:20:14,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,293 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 21:20:14,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668857068] [2019-10-13 21:20:14,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:14,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274350465] [2019-10-13 21:20:14,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:14,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:14,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:14,296 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2019-10-13 21:20:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,960 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2019-10-13 21:20:14,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:14,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:14,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,970 INFO L225 Difference]: With dead ends: 455 [2019-10-13 21:20:14,971 INFO L226 Difference]: Without dead ends: 328 [2019-10-13 21:20:14,975 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 21:20:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-13 21:20:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2019-10-13 21:20:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-13 21:20:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2019-10-13 21:20:15,051 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2019-10-13 21:20:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,052 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2019-10-13 21:20:15,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2019-10-13 21:20:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:15,056 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,056 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] [2019-10-13 21:20:15,056 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1106348516, now seen corresponding path program 1 times [2019-10-13 21:20:15,057 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426065556] [2019-10-13 21:20:15,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,229 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 21:20:15,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426065556] [2019-10-13 21:20:15,230 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:15,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:15,231 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879588266] [2019-10-13 21:20:15,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:15,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:15,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:15,235 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2019-10-13 21:20:15,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,483 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2019-10-13 21:20:15,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:15,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 21:20:15,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,493 INFO L225 Difference]: With dead ends: 885 [2019-10-13 21:20:15,493 INFO L226 Difference]: Without dead ends: 593 [2019-10-13 21:20:15,500 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 21:20:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-13 21:20:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2019-10-13 21:20:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-13 21:20:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2019-10-13 21:20:15,577 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2019-10-13 21:20:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,579 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2019-10-13 21:20:15,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2019-10-13 21:20:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:20:15,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,585 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] [2019-10-13 21:20:15,585 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1073775336, now seen corresponding path program 1 times [2019-10-13 21:20:15,586 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804646139] [2019-10-13 21:20:15,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,736 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 21:20:15,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804646139] [2019-10-13 21:20:15,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:15,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:15,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191088003] [2019-10-13 21:20:15,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:15,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:15,741 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2019-10-13 21:20:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,551 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2019-10-13 21:20:16,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:16,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 21:20:16,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,561 INFO L225 Difference]: With dead ends: 1538 [2019-10-13 21:20:16,561 INFO L226 Difference]: Without dead ends: 975 [2019-10-13 21:20:16,565 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:16,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2019-10-13 21:20:16,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2019-10-13 21:20:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2019-10-13 21:20:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2019-10-13 21:20:16,674 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2019-10-13 21:20:16,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,674 INFO L462 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2019-10-13 21:20:16,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2019-10-13 21:20:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:16,679 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,680 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:16,680 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:16,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:16,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2112269386, now seen corresponding path program 1 times [2019-10-13 21:20:16,681 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:16,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440407330] [2019-10-13 21:20:16,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:16,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440407330] [2019-10-13 21:20:16,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:16,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:16,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167442244] [2019-10-13 21:20:16,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:16,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:16,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:16,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:16,831 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2019-10-13 21:20:16,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,895 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2019-10-13 21:20:16,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:16,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-13 21:20:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,901 INFO L225 Difference]: With dead ends: 1758 [2019-10-13 21:20:16,901 INFO L226 Difference]: Without dead ends: 905 [2019-10-13 21:20:16,904 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-10-13 21:20:16,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2019-10-13 21:20:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2019-10-13 21:20:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2019-10-13 21:20:16,957 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2019-10-13 21:20:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,958 INFO L462 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2019-10-13 21:20:16,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2019-10-13 21:20:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:16,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,961 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:16,961 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:16,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:16,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1759181004, now seen corresponding path program 1 times [2019-10-13 21:20:16,962 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:16,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77928841] [2019-10-13 21:20:16,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:17,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77928841] [2019-10-13 21:20:17,073 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:17,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:17,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770409082] [2019-10-13 21:20:17,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:17,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:17,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:17,075 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2019-10-13 21:20:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:17,138 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2019-10-13 21:20:17,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:17,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-13 21:20:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:17,144 INFO L225 Difference]: With dead ends: 1798 [2019-10-13 21:20:17,145 INFO L226 Difference]: Without dead ends: 925 [2019-10-13 21:20:17,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2019-10-13 21:20:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2019-10-13 21:20:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-10-13 21:20:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2019-10-13 21:20:17,198 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2019-10-13 21:20:17,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:17,199 INFO L462 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2019-10-13 21:20:17,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2019-10-13 21:20:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:17,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:17,202 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:17,202 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1402595699, now seen corresponding path program 1 times [2019-10-13 21:20:17,203 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:17,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733781597] [2019-10-13 21:20:17,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:17,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733781597] [2019-10-13 21:20:17,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:17,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:17,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665349394] [2019-10-13 21:20:17,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:17,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:17,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:17,316 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2019-10-13 21:20:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:17,621 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2019-10-13 21:20:17,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:17,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-13 21:20:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:17,633 INFO L225 Difference]: With dead ends: 2891 [2019-10-13 21:20:17,633 INFO L226 Difference]: Without dead ends: 2002 [2019-10-13 21:20:17,636 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2019-10-13 21:20:17,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2019-10-13 21:20:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2019-10-13 21:20:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2019-10-13 21:20:17,752 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2019-10-13 21:20:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:17,753 INFO L462 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2019-10-13 21:20:17,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2019-10-13 21:20:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:20:17,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:17,758 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:17,758 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:17,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:17,759 INFO L82 PathProgramCache]: Analyzing trace with hash -859026489, now seen corresponding path program 1 times [2019-10-13 21:20:17,759 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:17,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109531400] [2019-10-13 21:20:17,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:17,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109531400] [2019-10-13 21:20:17,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393585629] [2019-10-13 21:20:17,944 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 21:20:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:18,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:18,545 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:19,855 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:19,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:19,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207218799] [2019-10-13 21:20:19,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:19,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:19,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:19,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:19,858 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 8 states. [2019-10-13 21:20:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,318 INFO L93 Difference]: Finished difference Result 3888 states and 4824 transitions. [2019-10-13 21:20:20,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:20,319 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:20:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,331 INFO L225 Difference]: With dead ends: 3888 [2019-10-13 21:20:20,331 INFO L226 Difference]: Without dead ends: 1941 [2019-10-13 21:20:20,337 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:20,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2019-10-13 21:20:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1941. [2019-10-13 21:20:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2019-10-13 21:20:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2349 transitions. [2019-10-13 21:20:20,573 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2349 transitions. Word has length 108 [2019-10-13 21:20:20,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,577 INFO L462 AbstractCegarLoop]: Abstraction has 1941 states and 2349 transitions. [2019-10-13 21:20:20,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2349 transitions. [2019-10-13 21:20:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 21:20:20,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:20,594 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:20,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:20,801 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:20,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:20,802 INFO L82 PathProgramCache]: Analyzing trace with hash 502604241, now seen corresponding path program 1 times [2019-10-13 21:20:20,802 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:20,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876380155] [2019-10-13 21:20:20,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:21,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876380155] [2019-10-13 21:20:21,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559190877] [2019-10-13 21:20:21,020 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 21:20:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:21,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:21,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:21,487 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:22,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:22,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:22,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978284583] [2019-10-13 21:20:22,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:22,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:22,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:22,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:22,104 INFO L87 Difference]: Start difference. First operand 1941 states and 2349 transitions. Second operand 8 states. [2019-10-13 21:20:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:22,471 INFO L93 Difference]: Finished difference Result 3275 states and 4035 transitions. [2019-10-13 21:20:22,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:22,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2019-10-13 21:20:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:22,474 INFO L225 Difference]: With dead ends: 3275 [2019-10-13 21:20:22,474 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:22,485 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:22,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:22,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-13 21:20:22,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:22,487 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:22,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:22,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:22,703 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:22,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:24,172 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-13 21:20:24,357 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-13 21:20:24,689 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-13 21:20:24,890 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-13 21:20:25,144 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-13 21:20:25,283 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-13 21:20:25,471 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-13 21:20:25,945 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-13 21:20:26,345 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-10-13 21:20:26,691 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-13 21:20:27,122 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-13 21:20:27,991 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-13 21:20:28,145 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-13 21:20:28,370 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 213) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point L214(lines 191 215) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 167 222) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 167 222) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-10-13 21:20:28,433 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 167 222) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L255(lines 255 259) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L255-1(lines 255 259) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L249-2(lines 249 274) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 223 282) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L275(lines 248 276) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 223 282) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-13 21:20:28,434 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 223 282) no Hoare annotation was computed. [2019-10-13 21:20:28,435 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 21:20:28,435 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 21:20:28,435 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:20:28,435 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 21:20:28,435 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:20:28,435 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,436 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,436 INFO L439 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,436 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2019-10-13 21:20:28,436 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2019-10-13 21:20:28,436 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2019-10-13 21:20:28,436 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 21:20:28,437 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,437 INFO L439 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,437 INFO L439 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,437 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2019-10-13 21:20:28,437 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 516 539) no Hoare annotation was computed. [2019-10-13 21:20:28,437 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 516 539) no Hoare annotation was computed. [2019-10-13 21:20:28,437 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 516 539) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 21:20:28,438 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-13 21:20:28,439 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 21:20:28,440 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-13 21:20:28,440 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2019-10-13 21:20:28,440 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:28,440 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:28,440 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-13 21:20:28,441 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:28,441 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:20:28,441 INFO L443 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2019-10-13 21:20:28,441 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2019-10-13 21:20:28,441 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2019-10-13 21:20:28,441 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2019-10-13 21:20:28,441 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2019-10-13 21:20:28,442 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-13 21:20:28,442 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2019-10-13 21:20:28,442 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-13 21:20:28,442 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2019-10-13 21:20:28,442 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2019-10-13 21:20:28,443 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2019-10-13 21:20:28,443 INFO L446 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2019-10-13 21:20:28,443 INFO L443 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2019-10-13 21:20:28,443 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-13 21:20:28,443 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2019-10-13 21:20:28,443 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2019-10-13 21:20:28,443 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 770) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point L762-2(lines 762 770) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point L785-1(line 785) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 755 790) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 755 790) no Hoare annotation was computed. [2019-10-13 21:20:28,444 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 755 790) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 121 166) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 121 166) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 121 166) no Hoare annotation was computed. [2019-10-13 21:20:28,445 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 468) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 448 468) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 434 479) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 434 479) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 461) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 434 479) no Hoare annotation was computed. [2019-10-13 21:20:28,446 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,447 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2019-10-13 21:20:28,447 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2019-10-13 21:20:28,447 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2019-10-13 21:20:28,447 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2019-10-13 21:20:28,447 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2019-10-13 21:20:28,447 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-13 21:20:28,448 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-13 21:20:28,448 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:28,448 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-13 21:20:28,448 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2019-10-13 21:20:28,448 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-13 21:20:28,448 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2019-10-13 21:20:28,449 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2019-10-13 21:20:28,449 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2019-10-13 21:20:28,449 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:28,449 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2019-10-13 21:20:28,449 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2019-10-13 21:20:28,449 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:28,450 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-13 21:20:28,450 INFO L439 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse3) .cse1) (or .cse4 .cse0 .cse1))) [2019-10-13 21:20:28,450 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2019-10-13 21:20:28,450 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-13 21:20:28,450 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-13 21:20:28,451 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2019-10-13 21:20:28,451 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2019-10-13 21:20:28,451 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2019-10-13 21:20:28,451 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,451 INFO L439 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:28,452 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-13 21:20:28,452 INFO L443 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2019-10-13 21:20:28,452 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2019-10-13 21:20:28,452 INFO L439 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:28,452 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:28,452 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2019-10-13 21:20:28,453 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2019-10-13 21:20:28,453 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2019-10-13 21:20:28,453 INFO L439 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:28,453 INFO L439 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-13 21:20:28,453 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2019-10-13 21:20:28,454 INFO L439 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-13 21:20:28,454 INFO L443 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2019-10-13 21:20:28,454 INFO L439 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:28,454 INFO L443 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2019-10-13 21:20:28,454 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2019-10-13 21:20:28,454 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 388 433) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 415) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 388 433) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 422) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 388 433) no Hoare annotation was computed. [2019-10-13 21:20:28,455 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-13 21:20:28,455 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point L909-2(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:20:28,456 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 901 923) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 901 923) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 901 923) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 285 387) no Hoare annotation was computed. [2019-10-13 21:20:28,457 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 330) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 381) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point L335(lines 334 354) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point L366-1(line 366) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 372) no Hoare annotation was computed. [2019-10-13 21:20:28,458 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 285 387) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 384) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 285 387) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 340) no Hoare annotation was computed. [2019-10-13 21:20:28,459 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 354) no Hoare annotation was computed. [2019-10-13 21:20:28,460 INFO L443 ceAbstractionStarter]: For program point L355(lines 333 356) no Hoare annotation was computed. [2019-10-13 21:20:28,460 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,460 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:20:28,460 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,460 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:28,460 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2019-10-13 21:20:28,461 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-10-13 21:20:28,461 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2019-10-13 21:20:28,461 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:28,461 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-13 21:20:28,461 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:28,461 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2019-10-13 21:20:28,462 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2019-10-13 21:20:28,462 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-10-13 21:20:28,462 INFO L443 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2019-10-13 21:20:28,462 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-10-13 21:20:28,462 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2019-10-13 21:20:28,462 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2019-10-13 21:20:28,462 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 924 932) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 924 932) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,463 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-13 21:20:28,464 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-13 21:20:28,464 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-10-13 21:20:28,464 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2019-10-13 21:20:28,464 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2019-10-13 21:20:28,464 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2019-10-13 21:20:28,464 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-13 21:20:28,465 INFO L439 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse6 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-13 21:20:28,465 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-13 21:20:28,465 INFO L443 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2019-10-13 21:20:28,466 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-13 21:20:28,466 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2019-10-13 21:20:28,466 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2019-10-13 21:20:28,466 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2019-10-13 21:20:28,466 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2019-10-13 21:20:28,466 INFO L446 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2019-10-13 21:20:28,467 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-13 21:20:28,467 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2019-10-13 21:20:28,467 INFO L446 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2019-10-13 21:20:28,467 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 21:20:28,467 INFO L446 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2019-10-13 21:20:28,467 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-10-13 21:20:28,467 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-10-13 21:20:28,468 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2019-10-13 21:20:28,468 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2019-10-13 21:20:28,468 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2019-10-13 21:20:28,468 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2019-10-13 21:20:28,468 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2019-10-13 21:20:28,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,468 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:28,469 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:28,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:28,469 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2019-10-13 21:20:28,469 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: true [2019-10-13 21:20:28,469 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2019-10-13 21:20:28,469 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:20:28,470 INFO L439 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)))) [2019-10-13 21:20:28,470 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2019-10-13 21:20:28,470 INFO L439 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-13 21:20:28,470 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2019-10-13 21:20:28,470 INFO L439 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-13 21:20:28,470 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-13 21:20:28,470 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2019-10-13 21:20:28,471 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:28,471 INFO L443 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2019-10-13 21:20:28,471 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2019-10-13 21:20:28,471 INFO L443 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2019-10-13 21:20:28,471 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:28,471 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:28,471 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:20:28,472 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:20:28,472 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:20:28,472 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2019-10-13 21:20:28,472 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2019-10-13 21:20:28,472 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-13 21:20:28,472 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-13 21:20:28,473 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2019-10-13 21:20:28,473 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2019-10-13 21:20:28,473 INFO L439 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-13 21:20:28,473 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2019-10-13 21:20:28,473 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 21:20:28,473 INFO L443 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2019-10-13 21:20:28,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:28 BoogieIcfgContainer [2019-10-13 21:20:28,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:28,491 INFO L168 Benchmark]: Toolchain (without parser) took 17681.20 ms. Allocated memory was 146.3 MB in the beginning and 512.8 MB in the end (delta: 366.5 MB). Free memory was 102.0 MB in the beginning and 94.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 375.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,492 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.60 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 170.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,494 INFO L168 Benchmark]: Boogie Preprocessor took 91.56 ms. Allocated memory is still 205.0 MB. Free memory was 170.1 MB in the beginning and 165.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,495 INFO L168 Benchmark]: RCFGBuilder took 1387.57 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 165.5 MB in the beginning and 188.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,496 INFO L168 Benchmark]: TraceAbstraction took 15418.67 ms. Allocated memory was 234.9 MB in the beginning and 512.8 MB in the end (delta: 277.9 MB). Free memory was 188.0 MB in the beginning and 94.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 372.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:28,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.60 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 170.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.56 ms. Allocated memory is still 205.0 MB. Free memory was 170.1 MB in the beginning and 165.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1387.57 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 165.5 MB in the beginning and 188.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15418.67 ms. Allocated memory was 234.9 MB in the beginning and 512.8 MB in the end (delta: 277.9 MB). Free memory was 188.0 MB in the beginning and 94.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 372.9 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: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Result: SAFE, OverallTime: 15.3s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, HoareTripleCheckerStatistics: 2227 SDtfs, 1191 SDslu, 5470 SDs, 0 SdLazy, 1636 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 672 GetRequests, 573 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1971occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 167 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 3996 PreInvPairs, 4253 NumberOfFragments, 1957 HoareAnnotationTreeSize, 3996 FomulaSimplifications, 4128 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 73 FomulaSimplificationsInter, 16171 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1419 ConstructedInterpolants, 0 QuantifiedInterpolants, 263014 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1750 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 169/177 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...