/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:52:23,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:52:23,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:52:23,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:52:23,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:52:23,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:52:23,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:52:23,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:52:23,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:52:23,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:52:23,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:52:23,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:52:23,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:52:23,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:52:23,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:52:23,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:52:23,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:52:23,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:52:23,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:52:23,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:52:23,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:52:23,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:52:23,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:52:23,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:52:23,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:52:23,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:52:23,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:52:23,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:52:23,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:52:23,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:52:23,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:52:23,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:52:23,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:52:23,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:52:23,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:52:23,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:52:23,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:52:23,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:52:23,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:52:23,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:52:23,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:52:23,641 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 12:52:23,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:52:23,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:52:23,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:52:23,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:52:23,661 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:52:23,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:52:23,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:52:23,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:52:23,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:52:23,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:52:23,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:52:23,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:52:23,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:52:23,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:52:23,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:52:23,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:52:23,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:52:23,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:52:23,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:52:23,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:52:23,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:52:23,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:52:23,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:52:23,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:52:23,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:52:23,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:52:23,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:23,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:52:23,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:52:23,667 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:52:23,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:52:24,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:52:24,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:52:24,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:52:24,008 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:52:24,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-21 12:52:24,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7267d221a/c8782092b0d94515a0d72f97c7b9fb8b/FLAG1e851f769 [2020-07-21 12:52:24,576 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:52:24,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-21 12:52:24,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7267d221a/c8782092b0d94515a0d72f97c7b9fb8b/FLAG1e851f769 [2020-07-21 12:52:24,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7267d221a/c8782092b0d94515a0d72f97c7b9fb8b [2020-07-21 12:52:24,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:52:24,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:52:24,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:24,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:52:24,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:52:24,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:24" (1/1) ... [2020-07-21 12:52:24,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f6534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:24, skipping insertion in model container [2020-07-21 12:52:24,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:24" (1/1) ... [2020-07-21 12:52:24,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:52:25,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:52:25,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:25,447 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:52:25,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:25,589 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:52:25,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25 WrapperNode [2020-07-21 12:52:25,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:25,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:52:25,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:52:25,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:52:25,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (1/1) ... [2020-07-21 12:52:25,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:52:25,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:52:25,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:52:25,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:52:25,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (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 12:52:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:52:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:52:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:52:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:52:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:52:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:52:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:52:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:52:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:52:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:52:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:52:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 12:52:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:52:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:52:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:52:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:52:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:52:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:52:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:52:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:52:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:52:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:52:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:52:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:52:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:52:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:52:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:52:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:52:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:52:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:52:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:52:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-21 12:52:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:52:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:52:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:52:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:52:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:52:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:52:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:52:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:52:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:52:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:52:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:52:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:52:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 12:52:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:52:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:52:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:52:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:52:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:52:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:52:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:52:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:52:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:52:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:52:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:52:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:52:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:52:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:52:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:52:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:52:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:52:26,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:52:26,919 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:52:26,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:26 BoogieIcfgContainer [2020-07-21 12:52:26,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:52:26,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:52:26,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:52:26,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:52:26,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:52:24" (1/3) ... [2020-07-21 12:52:26,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6638a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:26, skipping insertion in model container [2020-07-21 12:52:26,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:25" (2/3) ... [2020-07-21 12:52:26,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6638a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:26, skipping insertion in model container [2020-07-21 12:52:26,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:26" (3/3) ... [2020-07-21 12:52:26,933 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-07-21 12:52:26,944 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:52:26,951 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:52:26,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:52:26,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:52:26,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:52:26,994 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:52:26,995 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:52:26,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:52:26,995 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:52:26,995 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:52:26,995 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:52:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-21 12:52:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:52:27,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:27,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:27,033 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:27,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:27,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2020-07-21 12:52:27,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:27,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908117048] [2020-07-21 12:52:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:27,456 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:27,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:27,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:52:27,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:27,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:27,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908117048] [2020-07-21 12:52:27,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:27,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:52:27,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922225688] [2020-07-21 12:52:27,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:52:27,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:27,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:52:27,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:52:27,541 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2020-07-21 12:52:27,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:27,607 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2020-07-21 12:52:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:52:27,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-21 12:52:27,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:27,625 INFO L225 Difference]: With dead ends: 254 [2020-07-21 12:52:27,625 INFO L226 Difference]: Without dead ends: 127 [2020-07-21 12:52:27,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 12:52:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-21 12:52:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-21 12:52:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-21 12:52:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2020-07-21 12:52:27,720 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2020-07-21 12:52:27,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:27,721 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2020-07-21 12:52:27,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:52:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2020-07-21 12:52:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 12:52:27,726 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:27,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:27,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:27,928 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:27,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2020-07-21 12:52:27,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:27,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7833391] [2020-07-21 12:52:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:28,326 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:28,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:28,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:52:28,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:28,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:28,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7833391] [2020-07-21 12:52:28,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:28,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:28,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657839156] [2020-07-21 12:52:28,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:28,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:28,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:28,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:28,384 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2020-07-21 12:52:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:28,406 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2020-07-21 12:52:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:28,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 12:52:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:28,409 INFO L225 Difference]: With dead ends: 199 [2020-07-21 12:52:28,410 INFO L226 Difference]: Without dead ends: 118 [2020-07-21 12:52:28,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 12:52:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-21 12:52:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-07-21 12:52:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-21 12:52:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-07-21 12:52:28,424 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2020-07-21 12:52:28,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:28,425 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-07-21 12:52:28,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-07-21 12:52:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 12:52:28,428 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:28,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:28,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:28,643 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:28,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:28,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2020-07-21 12:52:28,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:28,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240920318] [2020-07-21 12:52:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:28,948 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:28,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:28,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:52:28,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:28,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:28,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240920318] [2020-07-21 12:52:28,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:28,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:28,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800348107] [2020-07-21 12:52:28,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:28,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:28,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:28,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:28,993 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 3 states. [2020-07-21 12:52:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:29,023 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2020-07-21 12:52:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:29,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-21 12:52:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:29,027 INFO L225 Difference]: With dead ends: 212 [2020-07-21 12:52:29,027 INFO L226 Difference]: Without dead ends: 118 [2020-07-21 12:52:29,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 12:52:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-21 12:52:29,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-07-21 12:52:29,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-21 12:52:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2020-07-21 12:52:29,051 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2020-07-21 12:52:29,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:29,052 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2020-07-21 12:52:29,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2020-07-21 12:52:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-21 12:52:29,059 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:29,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:29,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:29,260 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:29,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:29,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2020-07-21 12:52:29,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:29,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896479116] [2020-07-21 12:52:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:29,542 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:29,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:29,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 12:52:29,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:29,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:29,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896479116] [2020-07-21 12:52:29,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:29,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:29,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819772627] [2020-07-21 12:52:29,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:29,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:29,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:29,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:29,621 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 6 states. [2020-07-21 12:52:29,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:29,849 INFO L93 Difference]: Finished difference Result 297 states and 361 transitions. [2020-07-21 12:52:29,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:29,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-21 12:52:29,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:29,854 INFO L225 Difference]: With dead ends: 297 [2020-07-21 12:52:29,854 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 12:52:29,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 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 12:52:29,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 12:52:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2020-07-21 12:52:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-21 12:52:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2020-07-21 12:52:29,885 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 66 [2020-07-21 12:52:29,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:29,885 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2020-07-21 12:52:29,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2020-07-21 12:52:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 12:52:29,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:29,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:30,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:30,091 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:30,091 INFO L82 PathProgramCache]: Analyzing trace with hash -322815050, now seen corresponding path program 1 times [2020-07-21 12:52:30,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:30,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458020304] [2020-07-21 12:52:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:30,367 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:30,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:30,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:52:30,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:30,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:30,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458020304] [2020-07-21 12:52:30,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:30,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:30,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339865725] [2020-07-21 12:52:30,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:30,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:30,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:30,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:30,414 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand 6 states. [2020-07-21 12:52:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:31,009 INFO L93 Difference]: Finished difference Result 497 states and 604 transitions. [2020-07-21 12:52:31,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:52:31,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 12:52:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:31,018 INFO L225 Difference]: With dead ends: 497 [2020-07-21 12:52:31,018 INFO L226 Difference]: Without dead ends: 320 [2020-07-21 12:52:31,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:52:31,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-21 12:52:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317. [2020-07-21 12:52:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 12:52:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 369 transitions. [2020-07-21 12:52:31,070 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 369 transitions. Word has length 70 [2020-07-21 12:52:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:31,071 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 369 transitions. [2020-07-21 12:52:31,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 369 transitions. [2020-07-21 12:52:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:52:31,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:31,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:31,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:31,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:31,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:31,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2020-07-21 12:52:31,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:31,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747861443] [2020-07-21 12:52:31,287 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:31,589 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:31,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:31,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:52:31,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:31,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:31,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747861443] [2020-07-21 12:52:31,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:31,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:52:31,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281729719] [2020-07-21 12:52:31,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:52:31,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:52:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:52:31,644 INFO L87 Difference]: Start difference. First operand 317 states and 369 transitions. Second operand 5 states. [2020-07-21 12:52:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:31,683 INFO L93 Difference]: Finished difference Result 613 states and 723 transitions. [2020-07-21 12:52:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:52:31,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-07-21 12:52:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:31,692 INFO L225 Difference]: With dead ends: 613 [2020-07-21 12:52:31,693 INFO L226 Difference]: Without dead ends: 320 [2020-07-21 12:52:31,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 12:52:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-21 12:52:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 317. [2020-07-21 12:52:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 12:52:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2020-07-21 12:52:31,723 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 84 [2020-07-21 12:52:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:31,724 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2020-07-21 12:52:31,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:52:31,724 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2020-07-21 12:52:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-21 12:52:31,726 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:31,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:31,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:31,940 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:31,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:31,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2020-07-21 12:52:31,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:31,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33577191] [2020-07-21 12:52:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:32,198 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:32,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:32,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:52:32,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:32,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:32,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33577191] [2020-07-21 12:52:32,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:32,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:32,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309828395] [2020-07-21 12:52:32,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:32,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:32,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:32,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:32,247 INFO L87 Difference]: Start difference. First operand 317 states and 368 transitions. Second operand 6 states. [2020-07-21 12:52:32,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:32,287 INFO L93 Difference]: Finished difference Result 617 states and 731 transitions. [2020-07-21 12:52:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:32,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-21 12:52:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:32,295 INFO L225 Difference]: With dead ends: 617 [2020-07-21 12:52:32,295 INFO L226 Difference]: Without dead ends: 324 [2020-07-21 12:52:32,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 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 12:52:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-07-21 12:52:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319. [2020-07-21 12:52:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 12:52:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 370 transitions. [2020-07-21 12:52:32,324 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 370 transitions. Word has length 84 [2020-07-21 12:52:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:32,324 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 370 transitions. [2020-07-21 12:52:32,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 370 transitions. [2020-07-21 12:52:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-21 12:52:32,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:32,327 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] [2020-07-21 12:52:32,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:32,540 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:32,541 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2020-07-21 12:52:32,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:32,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122470255] [2020-07-21 12:52:32,542 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:32,891 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:32,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:32,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-21 12:52:32,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:32,971 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 12:52:32,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:32,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122470255] [2020-07-21 12:52:32,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:32,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:52:32,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889657689] [2020-07-21 12:52:32,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:52:32,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:32,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:52:32,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:32,974 INFO L87 Difference]: Start difference. First operand 319 states and 370 transitions. Second operand 8 states. [2020-07-21 12:52:33,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:33,495 INFO L93 Difference]: Finished difference Result 876 states and 1038 transitions. [2020-07-21 12:52:33,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:52:33,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-07-21 12:52:33,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:33,504 INFO L225 Difference]: With dead ends: 876 [2020-07-21 12:52:33,504 INFO L226 Difference]: Without dead ends: 581 [2020-07-21 12:52:33,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:33,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-07-21 12:52:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 578. [2020-07-21 12:52:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-07-21 12:52:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 672 transitions. [2020-07-21 12:52:33,563 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 672 transitions. Word has length 96 [2020-07-21 12:52:33,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:33,564 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 672 transitions. [2020-07-21 12:52:33,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:52:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 672 transitions. [2020-07-21 12:52:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 12:52:33,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:33,571 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] [2020-07-21 12:52:33,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:33,775 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:33,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:33,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times [2020-07-21 12:52:33,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:33,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652075135] [2020-07-21 12:52:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:34,031 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:34,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:34,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:52:34,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 12:52:34,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:34,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652075135] [2020-07-21 12:52:34,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:34,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:34,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457510972] [2020-07-21 12:52:34,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:34,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:34,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:34,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:34,094 INFO L87 Difference]: Start difference. First operand 578 states and 672 transitions. Second operand 6 states. [2020-07-21 12:52:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:34,356 INFO L93 Difference]: Finished difference Result 1096 states and 1295 transitions. [2020-07-21 12:52:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:34,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2020-07-21 12:52:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:34,361 INFO L225 Difference]: With dead ends: 1096 [2020-07-21 12:52:34,361 INFO L226 Difference]: Without dead ends: 542 [2020-07-21 12:52:34,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 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 12:52:34,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-07-21 12:52:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2020-07-21 12:52:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-07-21 12:52:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 620 transitions. [2020-07-21 12:52:34,397 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 620 transitions. Word has length 100 [2020-07-21 12:52:34,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:34,398 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 620 transitions. [2020-07-21 12:52:34,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 620 transitions. [2020-07-21 12:52:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 12:52:34,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:34,401 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] [2020-07-21 12:52:34,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:34,617 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:34,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2020-07-21 12:52:34,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:34,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529921983] [2020-07-21 12:52:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 12:52:34,910 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:34,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:34,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:52:34,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:34,982 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 12:52:34,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:34,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529921983] [2020-07-21 12:52:34,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:34,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:34,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954219092] [2020-07-21 12:52:34,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:34,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:34,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:34,985 INFO L87 Difference]: Start difference. First operand 542 states and 620 transitions. Second operand 6 states. [2020-07-21 12:52:35,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:35,197 INFO L93 Difference]: Finished difference Result 544 states and 623 transitions. [2020-07-21 12:52:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:35,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2020-07-21 12:52:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:35,198 INFO L225 Difference]: With dead ends: 544 [2020-07-21 12:52:35,198 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:52:35,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 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 12:52:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:52:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:52:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:52:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:52:35,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-21 12:52:35,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:35,202 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:52:35,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:52:35,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:52:35,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:35,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:52:36,352 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-07-21 12:52:36,465 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-07-21 12:52:36,809 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-21 12:52:37,070 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2020-07-21 12:52:37,265 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 12:52:37,370 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-07-21 12:52:37,723 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-21 12:52:37,908 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-07-21 12:52:38,038 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-07-21 12:52:38,255 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-07-21 12:52:38,435 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-07-21 12:52:38,931 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-07-21 12:52:39,037 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-07-21 12:52:39,749 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2020-07-21 12:52:39,783 INFO L268 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-07-21 12:52:39,784 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-07-21 12:52:39,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-07-21 12:52:39,785 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-21 12:52:39,785 INFO L268 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-07-21 12:52:39,785 INFO L268 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-07-21 12:52:39,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-07-21 12:52:39,786 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-21 12:52:39,786 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-21 12:52:39,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-07-21 12:52:39,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-07-21 12:52:39,786 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-07-21 12:52:39,787 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-07-21 12:52:39,787 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2020-07-21 12:52:39,787 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2020-07-21 12:52:39,787 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2020-07-21 12:52:39,787 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2020-07-21 12:52:39,787 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2020-07-21 12:52:39,787 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:52:39,788 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 12:52:39,788 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,788 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,788 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,788 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,788 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:52:39,789 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:52:39,789 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,789 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,789 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:52:39,789 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:39,789 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:52:39,789 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 12:52:39,790 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2020-07-21 12:52:39,791 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point L364-1(line 364) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-07-21 12:52:39,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-07-21 12:52:39,793 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,793 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2020-07-21 12:52:39,794 INFO L271 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: true [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:52:39,794 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2020-07-21 12:52:39,795 INFO L268 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-07-21 12:52:39,795 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-21 12:52:39,796 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-21 12:52:39,796 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-07-21 12:52:39,796 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse3 .cse4 .cse5))) [2020-07-21 12:52:39,796 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 1 processEnvironment_~tmp~2) .cse7)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse7 (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3) (or .cse1 .cse0 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse5)))) [2020-07-21 12:52:39,796 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-21 12:52:39,797 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5))) [2020-07-21 12:52:39,797 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-07-21 12:52:39,797 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-21 12:52:39,797 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-07-21 12:52:39,797 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-07-21 12:52:39,797 INFO L264 CegarLoopResult]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,797 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-21 12:52:39,798 INFO L268 CegarLoopResult]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2020-07-21 12:52:39,798 INFO L264 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:39,798 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-21 12:52:39,798 INFO L264 CegarLoopResult]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:39,798 INFO L268 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2020-07-21 12:52:39,798 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:39,799 INFO L268 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-07-21 12:52:39,799 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:39,799 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-21 12:52:39,799 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-07-21 12:52:39,799 INFO L264 CegarLoopResult]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:39,799 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-07-21 12:52:39,800 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point L454(lines 454 462) no Hoare annotation was computed. [2020-07-21 12:52:39,801 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-07-21 12:52:39,802 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-21 12:52:39,803 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,804 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2) .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:39,804 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2020-07-21 12:52:39,805 INFO L268 CegarLoopResult]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2020-07-21 12:52:39,805 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:52:39,805 INFO L268 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2020-07-21 12:52:39,805 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:52:39,805 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 12:52:39,805 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2020-07-21 12:52:39,805 INFO L268 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L271 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: true [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2020-07-21 12:52:39,806 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-21 12:52:39,807 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse6))) [2020-07-21 12:52:39,807 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-21 12:52:39,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,807 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,807 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 12:52:39,808 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 12:52:39,808 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-07-21 12:52:39,808 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse6 .cse3 (and .cse8 .cse4) .cse9) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-21 12:52:39,808 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-07-21 12:52:39,808 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7) (or .cse1 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse5))) [2020-07-21 12:52:39,809 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-07-21 12:52:39,809 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 12:52:39,809 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 12:52:39,809 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:39,809 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 12:52:39,809 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 12:52:39,809 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 12:52:39,809 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 12:52:39,809 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 12:52:39,810 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 12:52:39,810 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:39,810 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2020-07-21 12:52:39,810 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2020-07-21 12:52:39,810 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2020-07-21 12:52:39,810 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3))) [2020-07-21 12:52:39,810 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2020-07-21 12:52:39,811 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-21 12:52:39,811 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2020-07-21 12:52:39,811 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-21 12:52:39,811 INFO L268 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-07-21 12:52:39,811 INFO L268 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2020-07-21 12:52:39,811 INFO L268 CegarLoopResult]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2020-07-21 12:52:39,811 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:52:39,811 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-21 12:52:39,812 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-21 12:52:39,812 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L268 CegarLoopResult]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 12:52:39,812 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 12:52:39,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,813 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:52:39,813 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:39,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:39,813 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2020-07-21 12:52:39,813 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3))) [2020-07-21 12:52:39,813 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2020-07-21 12:52:39,814 INFO L268 CegarLoopResult]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2020-07-21 12:52:39,814 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2020-07-21 12:52:39,814 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6))) [2020-07-21 12:52:39,814 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2020-07-21 12:52:39,814 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-07-21 12:52:39,814 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2020-07-21 12:52:39,814 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2020-07-21 12:52:39,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:39 BoogieIcfgContainer [2020-07-21 12:52:39,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:39,834 INFO L168 Benchmark]: Toolchain (without parser) took 14898.70 ms. Allocated memory was 143.1 MB in the beginning and 370.7 MB in the end (delta: 227.5 MB). Free memory was 99.9 MB in the beginning and 167.8 MB in the end (delta: -67.9 MB). Peak memory consumption was 245.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,834 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.57 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 167.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,836 INFO L168 Benchmark]: Boogie Preprocessor took 94.71 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,837 INFO L168 Benchmark]: RCFGBuilder took 1238.93 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 194.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,838 INFO L168 Benchmark]: TraceAbstraction took 12905.95 ms. Allocated memory was 230.7 MB in the beginning and 370.7 MB in the end (delta: 140.0 MB). Free memory was 194.4 MB in the beginning and 167.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 252.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:39,841 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.57 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 99.7 MB in the beginning and 167.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.71 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1238.93 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 194.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12905.95 ms. Allocated memory was 230.7 MB in the beginning and 370.7 MB in the end (delta: 140.0 MB). Free memory was 194.4 MB in the beginning and 167.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 252.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1573 SDtfs, 559 SDslu, 3572 SDs, 0 SdLazy, 820 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=578occurred 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, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1016 PreInvPairs, 1092 NumberOfFragments, 2054 HoareAnnotationTreeSize, 1016 FomulaSimplifications, 558 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4478 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 107950 SizeOfPredicates, 28 NumberOfNonLiveVariables, 7217 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 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...