/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:15,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:15,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:15,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:15,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:15,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:15,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:15,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:15,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:15,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:15,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:15,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:15,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:15,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:15,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:15,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:15,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:15,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:15,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:15,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:15,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:15,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:15,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:15,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:15,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:15,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:15,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:15,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:15,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:15,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:15,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:15,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:15,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:15,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:15,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:15,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:15,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:15,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:15,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:15,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:15,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:15,607 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 [2020-07-21 10:39:15,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:15,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:15,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:15,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:15,628 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:15,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:15,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:15,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:15,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:15,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:15,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:15,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:15,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:15,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:15,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:15,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:15,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:15,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:15,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:15,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:15,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:15,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:15,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:15,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:15,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:15,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:15,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:15,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:15,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:15,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:39:15,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:15,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:15,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:15,936 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:15,938 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:15,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-21 10:39:16,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99690cd6a/159d9be9b2db41ffa9793eb075b18bcf/FLAGa2967a151 [2020-07-21 10:39:16,524 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:16,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-21 10:39:16,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99690cd6a/159d9be9b2db41ffa9793eb075b18bcf/FLAGa2967a151 [2020-07-21 10:39:16,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99690cd6a/159d9be9b2db41ffa9793eb075b18bcf [2020-07-21 10:39:16,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:16,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:16,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:16,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:16,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:16,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:16" (1/1) ... [2020-07-21 10:39:16,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2abe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:16, skipping insertion in model container [2020-07-21 10:39:16,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:16" (1/1) ... [2020-07-21 10:39:16,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:16,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:17,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:17,425 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:17,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:17,553 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:17,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17 WrapperNode [2020-07-21 10:39:17,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:17,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:17,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:17,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:17,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:17,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:17,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:17,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:17,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (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 [2020-07-21 10:39:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:39:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:39:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:17,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:17,763 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:18,818 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:18,818 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:18,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:18 BoogieIcfgContainer [2020-07-21 10:39:18,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:18,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:18,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:18,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:18,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:16" (1/3) ... [2020-07-21 10:39:18,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe8168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:18, skipping insertion in model container [2020-07-21 10:39:18,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (2/3) ... [2020-07-21 10:39:18,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fe8168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:18, skipping insertion in model container [2020-07-21 10:39:18,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:18" (3/3) ... [2020-07-21 10:39:18,836 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-21 10:39:18,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:18,852 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:18,863 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:18,886 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:18,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:18,887 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:18,887 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:18,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:18,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:18,888 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:18,888 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-21 10:39:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:18,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:18,922 INFO L422 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] [2020-07-21 10:39:18,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:18,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:18,928 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-21 10:39:18,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:18,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65118718] [2020-07-21 10:39:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:19,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:19,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:19,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:19,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65118718] [2020-07-21 10:39:19,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:19,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:19,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58154212] [2020-07-21 10:39:19,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:19,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:19,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:19,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:19,251 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 2 states. [2020-07-21 10:39:19,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,304 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2020-07-21 10:39:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:19,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:19,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,322 INFO L225 Difference]: With dead ends: 342 [2020-07-21 10:39:19,323 INFO L226 Difference]: Without dead ends: 173 [2020-07-21 10:39:19,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:19,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-21 10:39:19,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-07-21 10:39:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-21 10:39:19,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-21 10:39:19,397 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-21 10:39:19,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,397 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-21 10:39:19,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-21 10:39:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:19,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,403 INFO L422 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] [2020-07-21 10:39:19,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,617 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:19,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:19,617 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-21 10:39:19,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:19,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597127034] [2020-07-21 10:39:19,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:19,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:19,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:19,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597127034] [2020-07-21 10:39:19,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:19,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:19,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660224428] [2020-07-21 10:39:19,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:19,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:19,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:19,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:19,920 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2020-07-21 10:39:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,964 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2020-07-21 10:39:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:19,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,968 INFO L225 Difference]: With dead ends: 281 [2020-07-21 10:39:19,968 INFO L226 Difference]: Without dead ends: 164 [2020-07-21 10:39:19,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-21 10:39:19,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-21 10:39:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-21 10:39:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-21 10:39:19,987 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-21 10:39:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,987 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-21 10:39:19,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-21 10:39:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:39:19,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,991 INFO L422 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] [2020-07-21 10:39:20,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,204 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:20,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-21 10:39:20,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:20,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833025999] [2020-07-21 10:39:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833025999] [2020-07-21 10:39:20,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:20,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844079588] [2020-07-21 10:39:20,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:20,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:20,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,435 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 3 states. [2020-07-21 10:39:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:20,468 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-21 10:39:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:20,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:39:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:20,473 INFO L225 Difference]: With dead ends: 432 [2020-07-21 10:39:20,473 INFO L226 Difference]: Without dead ends: 296 [2020-07-21 10:39:20,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-21 10:39:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 290. [2020-07-21 10:39:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-21 10:39:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-07-21 10:39:20,512 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 65 [2020-07-21 10:39:20,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:20,512 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-07-21 10:39:20,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-07-21 10:39:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:20,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:20,518 INFO L422 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] [2020-07-21 10:39:20,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,719 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:20,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:20,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-21 10:39:20,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:20,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382413795] [2020-07-21 10:39:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382413795] [2020-07-21 10:39:20,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:20,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679393702] [2020-07-21 10:39:20,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:20,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:20,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:20,962 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2020-07-21 10:39:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:21,250 INFO L93 Difference]: Finished difference Result 704 states and 879 transitions. [2020-07-21 10:39:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:21,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:21,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:21,254 INFO L225 Difference]: With dead ends: 704 [2020-07-21 10:39:21,255 INFO L226 Difference]: Without dead ends: 442 [2020-07-21 10:39:21,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:39:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-21 10:39:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2020-07-21 10:39:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-21 10:39:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2020-07-21 10:39:21,300 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 70 [2020-07-21 10:39:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:21,303 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2020-07-21 10:39:21,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2020-07-21 10:39:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:21,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:21,308 INFO L422 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, 1, 1, 1, 1, 1] [2020-07-21 10:39:21,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:21,522 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:21,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-21 10:39:21,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:21,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225100684] [2020-07-21 10:39:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:21,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:21,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:21,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:21,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225100684] [2020-07-21 10:39:21,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:21,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:21,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401325070] [2020-07-21 10:39:21,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:21,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:21,805 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 6 states. [2020-07-21 10:39:21,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:21,853 INFO L93 Difference]: Finished difference Result 850 states and 1056 transitions. [2020-07-21 10:39:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:21,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-07-21 10:39:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:21,858 INFO L225 Difference]: With dead ends: 850 [2020-07-21 10:39:21,858 INFO L226 Difference]: Without dead ends: 446 [2020-07-21 10:39:21,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:21,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-07-21 10:39:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 442. [2020-07-21 10:39:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-21 10:39:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-21 10:39:21,900 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 113 [2020-07-21 10:39:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:21,901 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-21 10:39:21,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-21 10:39:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:21,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:21,909 INFO L422 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, 1, 1, 1, 1, 1] [2020-07-21 10:39:22,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,125 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:22,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-21 10:39:22,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:22,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626838114] [2020-07-21 10:39:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:22,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:22,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:22,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:22,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626838114] [2020-07-21 10:39:22,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:22,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:22,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958656829] [2020-07-21 10:39:22,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:22,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:22,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:22,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:22,336 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 5 states. [2020-07-21 10:39:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:22,366 INFO L93 Difference]: Finished difference Result 870 states and 1076 transitions. [2020-07-21 10:39:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:22,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-21 10:39:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:22,370 INFO L225 Difference]: With dead ends: 870 [2020-07-21 10:39:22,370 INFO L226 Difference]: Without dead ends: 456 [2020-07-21 10:39:22,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-07-21 10:39:22,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2020-07-21 10:39:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-07-21 10:39:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 535 transitions. [2020-07-21 10:39:22,391 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 535 transitions. Word has length 113 [2020-07-21 10:39:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:22,392 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 535 transitions. [2020-07-21 10:39:22,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 535 transitions. [2020-07-21 10:39:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:22,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:22,394 INFO L422 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, 1, 1, 1, 1, 1] [2020-07-21 10:39:22,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,609 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:22,610 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-21 10:39:22,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:22,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006397861] [2020-07-21 10:39:22,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:22,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:22,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:22,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:22,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006397861] [2020-07-21 10:39:22,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:22,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:22,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695163759] [2020-07-21 10:39:22,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:22,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:22,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:22,879 INFO L87 Difference]: Start difference. First operand 450 states and 535 transitions. Second operand 3 states. [2020-07-21 10:39:22,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:22,925 INFO L93 Difference]: Finished difference Result 1218 states and 1533 transitions. [2020-07-21 10:39:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:22,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 10:39:22,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:22,930 INFO L225 Difference]: With dead ends: 1218 [2020-07-21 10:39:22,930 INFO L226 Difference]: Without dead ends: 796 [2020-07-21 10:39:22,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:22,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-07-21 10:39:22,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2020-07-21 10:39:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-21 10:39:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 972 transitions. [2020-07-21 10:39:22,980 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 972 transitions. Word has length 113 [2020-07-21 10:39:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:22,981 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 972 transitions. [2020-07-21 10:39:22,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 972 transitions. [2020-07-21 10:39:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-21 10:39:22,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:22,986 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:23,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:23,196 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:23,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:23,197 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-21 10:39:23,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:23,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023672190] [2020-07-21 10:39:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:23,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:23,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:23,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:23,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023672190] [2020-07-21 10:39:23,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:23,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:23,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083471323] [2020-07-21 10:39:23,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:23,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:23,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:23,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:23,471 INFO L87 Difference]: Start difference. First operand 793 states and 972 transitions. Second operand 10 states. [2020-07-21 10:39:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:25,390 INFO L93 Difference]: Finished difference Result 2270 states and 3119 transitions. [2020-07-21 10:39:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:25,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2020-07-21 10:39:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:25,406 INFO L225 Difference]: With dead ends: 2270 [2020-07-21 10:39:25,406 INFO L226 Difference]: Without dead ends: 1505 [2020-07-21 10:39:25,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-21 10:39:25,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1130. [2020-07-21 10:39:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-07-21 10:39:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1387 transitions. [2020-07-21 10:39:25,494 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1387 transitions. Word has length 117 [2020-07-21 10:39:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:25,496 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1387 transitions. [2020-07-21 10:39:25,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1387 transitions. [2020-07-21 10:39:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 10:39:25,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:25,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-21 10:39:25,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:25,717 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:25,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:25,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1999881567, now seen corresponding path program 1 times [2020-07-21 10:39:25,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:25,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658997570] [2020-07-21 10:39:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:25,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:25,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:25,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:25,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658997570] [2020-07-21 10:39:25,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:25,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:25,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850336390] [2020-07-21 10:39:25,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:25,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:25,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:25,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:25,949 INFO L87 Difference]: Start difference. First operand 1130 states and 1387 transitions. Second operand 3 states. [2020-07-21 10:39:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:26,061 INFO L93 Difference]: Finished difference Result 1886 states and 2314 transitions. [2020-07-21 10:39:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:26,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-21 10:39:26,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:26,069 INFO L225 Difference]: With dead ends: 1886 [2020-07-21 10:39:26,069 INFO L226 Difference]: Without dead ends: 784 [2020-07-21 10:39:26,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-07-21 10:39:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 764. [2020-07-21 10:39:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-07-21 10:39:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 916 transitions. [2020-07-21 10:39:26,129 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 916 transitions. Word has length 158 [2020-07-21 10:39:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:26,129 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 916 transitions. [2020-07-21 10:39:26,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 916 transitions. [2020-07-21 10:39:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 10:39:26,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:26,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 10:39:26,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:26,347 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:26,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-21 10:39:26,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:26,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682154257] [2020-07-21 10:39:26,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:26,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:26,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 10:39:27,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682154257] [2020-07-21 10:39:27,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:27,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:27,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490024196] [2020-07-21 10:39:27,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:27,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:27,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:27,200 INFO L87 Difference]: Start difference. First operand 764 states and 916 transitions. Second operand 10 states. [2020-07-21 10:39:28,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:28,240 INFO L93 Difference]: Finished difference Result 1677 states and 2027 transitions. [2020-07-21 10:39:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:28,242 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-21 10:39:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:28,243 INFO L225 Difference]: With dead ends: 1677 [2020-07-21 10:39:28,243 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:28,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 377 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:28,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:28,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:28,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-21 10:39:28,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:28,249 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:28,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:28,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:28,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:28,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:30,208 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-21 10:39:30,725 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 10:39:31,116 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 10:39:31,447 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:31,599 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:31,723 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 10:39:32,036 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 10:39:32,376 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 10:39:32,896 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 10:39:33,412 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:33,546 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:33,701 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 10:39:33,956 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-21 10:39:34,190 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 10:39:34,220 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 10:39:34,221 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-21 10:39:34,221 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-21 10:39:34,221 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-21 10:39:34,222 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-21 10:39:34,222 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 10:39:34,222 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-21 10:39:34,222 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-21 10:39:34,222 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-21 10:39:34,223 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-21 10:39:34,224 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-21 10:39:34,224 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-21 10:39:34,224 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 10:39:34,224 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-21 10:39:34,224 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-21 10:39:34,224 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-21 10:39:34,225 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-21 10:39:34,225 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-21 10:39:34,225 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 10:39:34,225 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:39:34,225 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:39:34,225 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:34,226 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 10:39:34,226 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 10:39:34,226 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 10:39:34,226 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 10:39:34,226 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:34,226 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:34,227 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 10:39:34,227 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 10:39:34,228 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 10:39:34,228 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,228 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-21 10:39:34,228 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,228 INFO L264 CegarLoopResult]: At program point L632-1(line 632) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,228 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-21 10:39:34,229 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-21 10:39:34,229 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-21 10:39:34,229 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,229 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,229 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,229 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-21 10:39:34,229 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 10:39:34,230 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 10:39:34,231 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-21 10:39:34,232 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,232 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,232 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-21 10:39:34,232 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,232 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-21 10:39:34,232 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-21 10:39:34,233 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,233 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-21 10:39:34,233 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,233 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-21 10:39:34,233 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:34,234 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:34,234 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-21 10:39:34,234 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-21 10:39:34,234 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-21 10:39:34,234 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-21 10:39:34,234 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-21 10:39:34,234 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-21 10:39:34,235 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-21 10:39:34,236 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 10:39:34,237 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 10:39:34,238 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-21 10:39:34,238 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,238 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-21 10:39:34,238 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-21 10:39:34,238 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,238 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-21 10:39:34,238 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-21 10:39:34,238 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-21 10:39:34,239 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-21 10:39:34,239 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-21 10:39:34,240 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-21 10:39:34,240 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-21 10:39:34,240 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,240 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-21 10:39:34,240 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,240 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-21 10:39:34,241 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,241 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,241 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-21 10:39:34,241 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,241 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 10:39:34,241 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-21 10:39:34,241 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-21 10:39:34,242 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-21 10:39:34,242 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-21 10:39:34,242 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,242 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-21 10:39:34,242 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:34,242 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:34,243 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-21 10:39:34,243 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-21 10:39:34,243 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-21 10:39:34,243 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-21 10:39:34,243 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:34,243 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:34,243 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-21 10:39:34,244 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:34,244 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-21 10:39:34,244 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:34,244 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-21 10:39:34,244 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-21 10:39:34,244 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-21 10:39:34,245 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-21 10:39:34,246 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-21 10:39:34,247 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-21 10:39:34,248 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,249 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-21 10:39:34,250 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:34,250 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-21 10:39:34,250 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-21 10:39:34,250 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:34,250 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:34,250 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-21 10:39:34,250 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-21 10:39:34,250 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-21 10:39:34,251 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 10:39:34,251 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-21 10:39:34,252 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2020-07-21 10:39:34,252 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-21 10:39:34,252 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-21 10:39:34,252 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,252 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,252 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,253 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-21 10:39:34,253 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:34,253 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-21 10:39:34,253 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-21 10:39:34,253 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 10:39:34,253 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-21 10:39:34,254 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-21 10:39:34,254 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 10:39:34,254 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-21 10:39:34,254 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-21 10:39:34,254 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-21 10:39:34,254 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 10:39:34,254 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-21 10:39:34,255 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-21 10:39:34,255 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 10:39:34,255 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-21 10:39:34,255 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-21 10:39:34,255 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-21 10:39:34,255 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-21 10:39:34,255 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-21 10:39:34,255 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-21 10:39:34,256 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:34,256 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-21 10:39:34,256 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-21 10:39:34,256 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-21 10:39:34,256 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-21 10:39:34,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,256 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:34,256 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:34,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:34,257 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-21 10:39:34,257 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2020-07-21 10:39:34,257 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-21 10:39:34,257 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,257 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,257 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-21 10:39:34,258 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-21 10:39:34,258 INFO L264 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:34,258 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-21 10:39:34,258 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-21 10:39:34,258 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,258 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-21 10:39:34,258 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:34,259 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-21 10:39:34,259 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-21 10:39:34,259 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 10:39:34,259 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-21 10:39:34,259 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-21 10:39:34,260 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-21 10:39:34,260 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-21 10:39:34,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:34 BoogieIcfgContainer [2020-07-21 10:39:34,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:34,279 INFO L168 Benchmark]: Toolchain (without parser) took 17441.07 ms. Allocated memory was 146.3 MB in the beginning and 433.6 MB in the end (delta: 287.3 MB). Free memory was 103.6 MB in the beginning and 325.6 MB in the end (delta: -222.0 MB). Peak memory consumption was 303.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,279 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.79 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.1 MB in the beginning and 170.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,281 INFO L168 Benchmark]: Boogie Preprocessor took 110.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,282 INFO L168 Benchmark]: RCFGBuilder took 1158.50 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 188.6 MB in the end (delta: -22.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,283 INFO L168 Benchmark]: TraceAbstraction took 15447.98 ms. Allocated memory was 236.5 MB in the beginning and 433.6 MB in the end (delta: 197.1 MB). Free memory was 188.6 MB in the beginning and 325.6 MB in the end (delta: -137.0 MB). Peak memory consumption was 298.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:34,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.79 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.1 MB in the beginning and 170.1 MB in the end (delta: -67.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.74 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.50 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.2 MB in the beginning and 188.6 MB in the end (delta: -22.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15447.98 ms. Allocated memory was 236.5 MB in the beginning and 433.6 MB in the end (delta: 197.1 MB). Free memory was 188.6 MB in the beginning and 325.6 MB in the end (delta: -137.0 MB). Peak memory consumption was 298.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2363 SDtfs, 1364 SDslu, 4163 SDs, 0 SdLazy, 2149 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1271 GetRequests, 1212 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 424 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 2302 PreInvPairs, 2419 NumberOfFragments, 2390 HoareAnnotationTreeSize, 2302 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 77 FomulaSimplificationsInter, 10078 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 304255 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8157 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 142/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...