/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:45,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:45,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:45,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:45,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:45,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:45,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:45,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:45,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:45,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:45,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:45,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:45,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:45,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:45,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:45,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:45,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:45,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:45,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:45,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:45,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:45,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:45,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:45,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:45,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:45,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:45,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:45,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:45,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:45,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:45,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:45,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:45,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:45,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:45,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:45,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:45,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:45,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:45,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:45,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:45,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:45,577 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 [2020-07-20 13:01:45,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:45,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:45,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:45,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:45,593 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:45,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:45,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:45,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:45,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:45,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:45,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:45,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:45,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:45,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:45,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:45,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:45,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:45,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:45,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:45,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:45,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:45,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:45,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:45,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:45,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:45,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:45,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:45,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:45,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:45,598 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 -> 4 [2020-07-20 13:01:45,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:45,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:45,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:45,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:45,921 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:45,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-20 13:01:45,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb939394/202d765d2b6a4b4a92bd07618d8201ea/FLAG82b474ff1 [2020-07-20 13:01:46,515 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:46,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-20 13:01:46,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb939394/202d765d2b6a4b4a92bd07618d8201ea/FLAG82b474ff1 [2020-07-20 13:01:46,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb939394/202d765d2b6a4b4a92bd07618d8201ea [2020-07-20 13:01:46,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:46,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:46,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:46,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:46,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:46,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:46" (1/1) ... [2020-07-20 13:01:46,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa255fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:46, skipping insertion in model container [2020-07-20 13:01:46,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:46" (1/1) ... [2020-07-20 13:01:46,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:46,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:47,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:47,302 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:47,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:47,422 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:47,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47 WrapperNode [2020-07-20 13:01:47,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:47,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:47,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:47,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:47,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:47,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:47,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:47,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:47,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (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 [2020-07-20 13:01:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:01:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:01:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:01:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:48,678 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:48,679 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:48,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:48 BoogieIcfgContainer [2020-07-20 13:01:48,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:48,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:48,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:48,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:48,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:46" (1/3) ... [2020-07-20 13:01:48,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd8b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:48, skipping insertion in model container [2020-07-20 13:01:48,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (2/3) ... [2020-07-20 13:01:48,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd8b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:48, skipping insertion in model container [2020-07-20 13:01:48,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:48" (3/3) ... [2020-07-20 13:01:48,693 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-20 13:01:48,703 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:48,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:48,725 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:48,749 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:48,749 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:48,749 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:48,750 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:48,750 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:48,750 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:48,750 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:48,750 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-20 13:01:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:48,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:48,783 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] [2020-07-20 13:01:48,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:48,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:48,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2020-07-20 13:01:48,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:48,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363275573] [2020-07-20 13:01:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:49,296 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:49,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:49,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:49,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:49,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:49,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363275573] [2020-07-20 13:01:49,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:49,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:49,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187309663] [2020-07-20 13:01:49,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:49,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:49,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:49,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:49,373 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2020-07-20 13:01:49,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:49,418 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-20 13:01:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:49,420 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:49,434 INFO L225 Difference]: With dead ends: 260 [2020-07-20 13:01:49,434 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 13:01:49,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:49,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 13:01:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 13:01:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 13:01:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-20 13:01:49,495 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2020-07-20 13:01:49,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:49,496 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-20 13:01:49,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-20 13:01:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:49,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:49,500 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] [2020-07-20 13:01:49,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:49,715 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:49,716 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2020-07-20 13:01:49,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:49,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951143889] [2020-07-20 13:01:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:50,191 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:50,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:50,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:50,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:50,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951143889] [2020-07-20 13:01:50,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:50,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091159746] [2020-07-20 13:01:50,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:50,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:50,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,241 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2020-07-20 13:01:50,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:50,262 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2020-07-20 13:01:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:50,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:50,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:50,266 INFO L225 Difference]: With dead ends: 205 [2020-07-20 13:01:50,266 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 13:01:50,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 13:01:50,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 13:01:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 13:01:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-20 13:01:50,283 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-07-20 13:01:50,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:50,284 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-20 13:01:50,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-20 13:01:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:01:50,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:50,287 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] [2020-07-20 13:01:50,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:50,501 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2020-07-20 13:01:50,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:50,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482865331] [2020-07-20 13:01:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:50,951 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:50,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:50,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:01:50,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:50,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482865331] [2020-07-20 13:01:50,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:50,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201718912] [2020-07-20 13:01:50,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:50,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:50,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,989 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-20 13:01:51,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:51,010 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2020-07-20 13:01:51,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:51,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 13:01:51,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:51,015 INFO L225 Difference]: With dead ends: 218 [2020-07-20 13:01:51,015 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 13:01:51,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 13:01:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 13:01:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 13:01:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-20 13:01:51,040 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2020-07-20 13:01:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:51,041 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-20 13:01:51,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-20 13:01:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:01:51,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:51,047 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] [2020-07-20 13:01:51,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:51,248 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:51,249 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2020-07-20 13:01:51,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:51,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982553529] [2020-07-20 13:01:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:51,676 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:51,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:51,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:01:51,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:51,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:51,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982553529] [2020-07-20 13:01:51,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:51,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:51,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107354553] [2020-07-20 13:01:51,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:51,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:51,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:51,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:51,735 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 6 states. [2020-07-20 13:01:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:52,260 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2020-07-20 13:01:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:52,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:01:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:52,264 INFO L225 Difference]: With dead ends: 300 [2020-07-20 13:01:52,264 INFO L226 Difference]: Without dead ends: 205 [2020-07-20 13:01:52,265 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 [2020-07-20 13:01:52,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-20 13:01:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 189. [2020-07-20 13:01:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-20 13:01:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 214 transitions. [2020-07-20 13:01:52,295 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 214 transitions. Word has length 70 [2020-07-20 13:01:52,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:52,295 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 214 transitions. [2020-07-20 13:01:52,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 214 transitions. [2020-07-20 13:01:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:01:52,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:52,299 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] [2020-07-20 13:01:52,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:52,500 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:52,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:52,501 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2020-07-20 13:01:52,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:52,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721743655] [2020-07-20 13:01:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:52,860 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:52,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:52,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:01:52,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:52,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:52,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721743655] [2020-07-20 13:01:52,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:52,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:52,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942413497] [2020-07-20 13:01:52,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:52,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:52,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:52,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:52,924 INFO L87 Difference]: Start difference. First operand 189 states and 214 transitions. Second operand 6 states. [2020-07-20 13:01:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:53,134 INFO L93 Difference]: Finished difference Result 498 states and 584 transitions. [2020-07-20 13:01:53,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:53,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 13:01:53,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:53,139 INFO L225 Difference]: With dead ends: 498 [2020-07-20 13:01:53,140 INFO L226 Difference]: Without dead ends: 337 [2020-07-20 13:01:53,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:53,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-20 13:01:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 333. [2020-07-20 13:01:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-07-20 13:01:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 378 transitions. [2020-07-20 13:01:53,176 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 378 transitions. Word has length 84 [2020-07-20 13:01:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:53,176 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 378 transitions. [2020-07-20 13:01:53,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 378 transitions. [2020-07-20 13:01:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 13:01:53,180 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:53,181 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, 1, 1, 1, 1] [2020-07-20 13:01:53,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,382 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:53,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1305842374, now seen corresponding path program 1 times [2020-07-20 13:01:53,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:53,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996719917] [2020-07-20 13:01:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:53,800 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:53,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:53,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:53,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:53,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:53,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996719917] [2020-07-20 13:01:53,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:53,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:53,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580155027] [2020-07-20 13:01:53,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:53,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:53,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:53,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:53,849 INFO L87 Difference]: Start difference. First operand 333 states and 378 transitions. Second operand 6 states. [2020-07-20 13:01:54,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:54,076 INFO L93 Difference]: Finished difference Result 641 states and 736 transitions. [2020-07-20 13:01:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:54,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-20 13:01:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:54,082 INFO L225 Difference]: With dead ends: 641 [2020-07-20 13:01:54,083 INFO L226 Difference]: Without dead ends: 336 [2020-07-20 13:01:54,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:54,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-20 13:01:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2020-07-20 13:01:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-20 13:01:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 375 transitions. [2020-07-20 13:01:54,139 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 375 transitions. Word has length 88 [2020-07-20 13:01:54,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:54,141 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 375 transitions. [2020-07-20 13:01:54,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 375 transitions. [2020-07-20 13:01:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:54,145 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:54,146 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, 1, 1, 1, 1, 1] [2020-07-20 13:01:54,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:54,360 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash -638509814, now seen corresponding path program 1 times [2020-07-20 13:01:54,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:54,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665666427] [2020-07-20 13:01:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:54,676 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:54,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:54,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:54,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:54,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:54,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665666427] [2020-07-20 13:01:54,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:54,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:54,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024968758] [2020-07-20 13:01:54,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:54,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:54,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:54,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:54,722 INFO L87 Difference]: Start difference. First operand 332 states and 375 transitions. Second operand 6 states. [2020-07-20 13:01:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:54,765 INFO L93 Difference]: Finished difference Result 646 states and 740 transitions. [2020-07-20 13:01:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:54,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-20 13:01:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:54,768 INFO L225 Difference]: With dead ends: 646 [2020-07-20 13:01:54,768 INFO L226 Difference]: Without dead ends: 342 [2020-07-20 13:01:54,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:01:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-20 13:01:54,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2020-07-20 13:01:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-20 13:01:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 385 transitions. [2020-07-20 13:01:54,789 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 385 transitions. Word has length 89 [2020-07-20 13:01:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:54,790 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 385 transitions. [2020-07-20 13:01:54,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 385 transitions. [2020-07-20 13:01:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:54,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:54,792 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, 1, 1, 1, 1, 1] [2020-07-20 13:01:55,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:55,005 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:55,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:55,006 INFO L82 PathProgramCache]: Analyzing trace with hash 63090060, now seen corresponding path program 1 times [2020-07-20 13:01:55,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:55,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226896307] [2020-07-20 13:01:55,007 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:55,324 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:55,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:55,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:01:55,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:55,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:55,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226896307] [2020-07-20 13:01:55,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:55,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:01:55,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264737412] [2020-07-20 13:01:55,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:01:55,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:55,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:01:55,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:55,365 INFO L87 Difference]: Start difference. First operand 342 states and 385 transitions. Second operand 5 states. [2020-07-20 13:01:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:55,395 INFO L93 Difference]: Finished difference Result 670 states and 772 transitions. [2020-07-20 13:01:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:01:55,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-07-20 13:01:55,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:55,398 INFO L225 Difference]: With dead ends: 670 [2020-07-20 13:01:55,399 INFO L226 Difference]: Without dead ends: 356 [2020-07-20 13:01:55,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:55,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-20 13:01:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2020-07-20 13:01:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-07-20 13:01:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 393 transitions. [2020-07-20 13:01:55,421 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 393 transitions. Word has length 89 [2020-07-20 13:01:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:55,421 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 393 transitions. [2020-07-20 13:01:55,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:01:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 393 transitions. [2020-07-20 13:01:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:55,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:55,423 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, 1, 1, 1, 1, 1] [2020-07-20 13:01:55,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:55,637 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:55,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:55,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1788570957, now seen corresponding path program 1 times [2020-07-20 13:01:55,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:55,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928845973] [2020-07-20 13:01:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:56,014 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:56,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:56,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:01:56,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:56,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:56,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928845973] [2020-07-20 13:01:56,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:56,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:56,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100161001] [2020-07-20 13:01:56,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:56,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:56,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:56,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:56,046 INFO L87 Difference]: Start difference. First operand 350 states and 393 transitions. Second operand 3 states. [2020-07-20 13:01:56,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:56,094 INFO L93 Difference]: Finished difference Result 938 states and 1103 transitions. [2020-07-20 13:01:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:56,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-07-20 13:01:56,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:56,098 INFO L225 Difference]: With dead ends: 938 [2020-07-20 13:01:56,098 INFO L226 Difference]: Without dead ends: 616 [2020-07-20 13:01:56,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:56,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-07-20 13:01:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 613. [2020-07-20 13:01:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-20 13:01:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 708 transitions. [2020-07-20 13:01:56,133 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 708 transitions. Word has length 89 [2020-07-20 13:01:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:56,134 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 708 transitions. [2020-07-20 13:01:56,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 708 transitions. [2020-07-20 13:01:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:01:56,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:56,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:56,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:56,352 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:56,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:56,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2020-07-20 13:01:56,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:56,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945398121] [2020-07-20 13:01:56,353 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 13:01:56,760 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:56,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:56,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 13:01:56,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:56,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:56,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945398121] [2020-07-20 13:01:56,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:56,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:56,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916587223] [2020-07-20 13:01:56,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:56,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:56,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:56,783 INFO L87 Difference]: Start difference. First operand 613 states and 708 transitions. Second operand 3 states. [2020-07-20 13:01:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:56,838 INFO L93 Difference]: Finished difference Result 910 states and 1069 transitions. [2020-07-20 13:01:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:56,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 13:01:56,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:56,844 INFO L225 Difference]: With dead ends: 910 [2020-07-20 13:01:56,844 INFO L226 Difference]: Without dead ends: 907 [2020-07-20 13:01:56,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-07-20 13:01:56,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 765. [2020-07-20 13:01:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-20 13:01:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 898 transitions. [2020-07-20 13:01:56,887 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 898 transitions. Word has length 93 [2020-07-20 13:01:56,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:56,888 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 898 transitions. [2020-07-20 13:01:56,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:56,888 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 898 transitions. [2020-07-20 13:01:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 13:01:56,891 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:56,892 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:57,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,106 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2020-07-20 13:01:57,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:57,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63185085] [2020-07-20 13:01:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,646 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:57,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:57,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:01:57,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 13:01:57,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:57,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63185085] [2020-07-20 13:01:57,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:57,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:01:57,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708311366] [2020-07-20 13:01:57,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:01:57,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:57,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:01:57,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:57,732 INFO L87 Difference]: Start difference. First operand 765 states and 898 transitions. Second operand 8 states. [2020-07-20 13:01:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:58,084 INFO L93 Difference]: Finished difference Result 1371 states and 1614 transitions. [2020-07-20 13:01:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:01:58,085 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-20 13:01:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:58,086 INFO L225 Difference]: With dead ends: 1371 [2020-07-20 13:01:58,086 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:01:58,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:01:58,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:01:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:01:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:01:58,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-20 13:01:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:58,091 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:01:58,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:01:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:01:58,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:01:58,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:58,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:01:59,518 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 13:01:59,654 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2020-07-20 13:02:00,221 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2020-07-20 13:02:00,822 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 13:02:01,252 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-20 13:02:01,434 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-07-20 13:02:01,562 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-07-20 13:02:02,300 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-07-20 13:02:02,458 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-07-20 13:02:02,824 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-20 13:02:03,121 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-20 13:02:03,237 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-20 13:02:03,241 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point L683(lines 660 684) no Hoare annotation was computed. [2020-07-20 13:02:03,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-20 13:02:03,243 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L268 CegarLoopResult]: For program point L744(lines 717 745) no Hoare annotation was computed. [2020-07-20 13:02:03,244 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2020-07-20 13:02:03,245 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2020-07-20 13:02:03,245 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 13:02:03,245 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 13:02:03,245 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 13:02:03,245 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,245 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,245 INFO L264 CegarLoopResult]: At program point L477-1(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,246 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-20 13:02:03,246 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2020-07-20 13:02:03,246 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 13:02:03,246 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2020-07-20 13:02:03,246 INFO L264 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,246 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,247 INFO L264 CegarLoopResult]: At program point L471-1(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 13:02:03,247 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-20 13:02:03,248 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-20 13:02:03,249 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2020-07-20 13:02:03,250 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point L923(lines 923 930) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point L917(lines 917 937) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2020-07-20 13:02:03,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2020-07-20 13:02:03,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2020-07-20 13:02:03,252 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,252 INFO L264 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,252 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2020-07-20 13:02:03,252 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2020-07-20 13:02:03,252 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2020-07-20 13:02:03,253 INFO L271 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: true [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-07-20 13:02:03,253 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-07-20 13:02:03,253 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-20 13:02:03,254 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2020-07-20 13:02:03,254 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2020-07-20 13:02:03,254 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2020-07-20 13:02:03,254 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-20 13:02:03,254 INFO L268 CegarLoopResult]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2020-07-20 13:02:03,254 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2020-07-20 13:02:03,254 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-20 13:02:03,255 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-20 13:02:03,255 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))))) [2020-07-20 13:02:03,255 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-20 13:02:03,255 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2020-07-20 13:02:03,255 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-20 13:02:03,256 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-20 13:02:03,256 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2020-07-20 13:02:03,256 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2020-07-20 13:02:03,256 INFO L264 CegarLoopResult]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,256 INFO L264 CegarLoopResult]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:03,256 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:03,257 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-20 13:02:03,257 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2020-07-20 13:02:03,257 INFO L268 CegarLoopResult]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2020-07-20 13:02:03,257 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-20 13:02:03,257 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:03,257 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-20 13:02:03,257 INFO L264 CegarLoopResult]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:03,258 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-20 13:02:03,258 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:03,258 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-20 13:02:03,258 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:03,258 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-20 13:02:03,258 INFO L268 CegarLoopResult]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2020-07-20 13:02:03,258 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point L871(lines 871 891) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-20 13:02:03,259 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:03,260 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 13:02:03,260 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-20 13:02:03,260 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-20 13:02:03,260 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:03,260 INFO L268 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-07-20 13:02:03,260 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-20 13:02:03,260 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:03,261 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-07-20 13:02:03,261 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2020-07-20 13:02:03,262 INFO L268 CegarLoopResult]: For program point L824(lines 802 825) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L783(lines 783 799) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L804(lines 803 823) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L800(lines 800 841) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 13:02:03,263 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point L842(lines 842 853) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2020-07-20 13:02:03,264 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2020-07-20 13:02:03,265 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 13:02:03,265 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2020-07-20 13:02:03,265 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-20 13:02:03,265 INFO L271 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-07-20 13:02:03,265 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-20 13:02:03,265 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-20 13:02:03,265 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2020-07-20 13:02:03,265 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,266 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,267 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,267 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-07-20 13:02:03,267 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-07-20 13:02:03,267 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-07-20 13:02:03,267 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 13:02:03,267 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not .cse0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse5) (or .cse2 .cse7 .cse6 .cse8 .cse9) (or .cse1 .cse2 .cse6 .cse8 .cse4) (or .cse2 .cse7 .cse8 .cse9 .cse3) (or .cse1 .cse2 .cse8 .cse9 .cse3 (and .cse5 .cse4)) (or .cse1 .cse2 .cse6 .cse8 .cse5)))) [2020-07-20 13:02:03,268 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse4 .cse8 .cse6) (or .cse5 .cse1 .cse2 .cse4 .cse7)))) [2020-07-20 13:02:03,268 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 13:02:03,268 INFO L268 CegarLoopResult]: For program point L143(lines 142 161) no Hoare annotation was computed. [2020-07-20 13:02:03,268 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2020-07-20 13:02:03,268 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2020-07-20 13:02:03,268 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2020-07-20 13:02:03,268 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-20 13:02:03,268 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2020-07-20 13:02:03,269 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-20 13:02:03,269 INFO L271 CegarLoopResult]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2020-07-20 13:02:03,269 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 13:02:03,269 INFO L271 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2020-07-20 13:02:03,269 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-20 13:02:03,269 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-20 13:02:03,269 INFO L271 CegarLoopResult]: At program point L418(lines 393 422) the Hoare annotation is: true [2020-07-20 13:02:03,269 INFO L268 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-07-20 13:02:03,270 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 13:02:03,270 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-07-20 13:02:03,270 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2020-07-20 13:02:03,270 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2020-07-20 13:02:03,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,270 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:03,270 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:03,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:03,270 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2020-07-20 13:02:03,271 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-20 13:02:03,271 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2020-07-20 13:02:03,271 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-20 13:02:03,271 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-20 13:02:03,271 INFO L268 CegarLoopResult]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2020-07-20 13:02:03,271 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2020-07-20 13:02:03,272 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3)) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 13:02:03,272 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse7)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse5)))) [2020-07-20 13:02:03,272 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-20 13:02:03,272 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-20 13:02:03,272 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-20 13:02:03,272 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-20 13:02:03,272 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-07-20 13:02:03,272 INFO L268 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-07-20 13:02:03,273 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:02:03,273 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:02:03,273 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:02:03,273 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:02:03,273 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:02:03,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:03 BoogieIcfgContainer [2020-07-20 13:02:03,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:03,292 INFO L168 Benchmark]: Toolchain (without parser) took 16518.57 ms. Allocated memory was 137.9 MB in the beginning and 421.5 MB in the end (delta: 283.6 MB). Free memory was 100.4 MB in the beginning and 220.3 MB in the end (delta: -119.9 MB). Peak memory consumption was 256.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,293 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.29 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 170.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,295 INFO L168 Benchmark]: Boogie Preprocessor took 88.56 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,295 INFO L168 Benchmark]: RCFGBuilder took 1172.19 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 196.9 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,296 INFO L168 Benchmark]: TraceAbstraction took 14604.58 ms. Allocated memory was 233.3 MB in the beginning and 421.5 MB in the end (delta: 188.2 MB). Free memory was 195.5 MB in the beginning and 220.3 MB in the end (delta: -24.9 MB). Peak memory consumption was 255.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.29 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 170.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.56 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.19 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 166.1 MB in the beginning and 196.9 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14604.58 ms. Allocated memory was 233.3 MB in the beginning and 421.5 MB in the end (delta: 188.2 MB). Free memory was 195.5 MB in the beginning and 220.3 MB in the end (delta: -24.9 MB). Peak memory consumption was 255.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || (((1 <= methaneLevelCritical && !(0 == pumpRunning)) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1766 SDtfs, 748 SDslu, 3049 SDs, 0 SdLazy, 629 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 873 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=765occurred in iteration=10, 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, 11 MinimizatonAttempts, 175 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1338 PreInvPairs, 1420 NumberOfFragments, 2331 HoareAnnotationTreeSize, 1338 FomulaSimplifications, 2294 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6978 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 914 NumberOfCodeBlocks, 833 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 903 ConstructedInterpolants, 0 QuantifiedInterpolants, 161396 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8154 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 42/42 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...