/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:08,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:08,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:08,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:08,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:08,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:08,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:08,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:08,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:08,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:08,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:08,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:08,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:08,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:08,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:08,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:08,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:08,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:08,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:08,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:08,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:08,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:08,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:08,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:08,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:08,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:08,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:08,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:08,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:08,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:08,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:08,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:08,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:08,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:08,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:08,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:08,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:08,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:08,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:08,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:08,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:08,507 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 10:44:08,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:08,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:08,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:08,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:08,523 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:08,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:08,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:08,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:08,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:08,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:08,526 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:08,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:08,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:08,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:08,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:08,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:08,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:08,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:08,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:08,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:08,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:08,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:08,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:08,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:08,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:44:08,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:08,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:08,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:08,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:08,825 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:08,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-20 10:44:08,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592425276/77847047971644ea83dffb20d16213c4/FLAG4ed4a3588 [2020-07-20 10:44:09,448 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:09,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-20 10:44:09,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592425276/77847047971644ea83dffb20d16213c4/FLAG4ed4a3588 [2020-07-20 10:44:09,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/592425276/77847047971644ea83dffb20d16213c4 [2020-07-20 10:44:09,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:09,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:09,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:09,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:09,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:09,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:09" (1/1) ... [2020-07-20 10:44:09,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2abe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:09, skipping insertion in model container [2020-07-20 10:44:09,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:09" (1/1) ... [2020-07-20 10:44:09,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:09,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:10,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:10,209 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:10,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:10,330 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:10,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10 WrapperNode [2020-07-20 10:44:10,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:10,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:10,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:10,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:10,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (1/1) ... [2020-07-20 10:44:10,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:10,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:10,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:10,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:10,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (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 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:44:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:44:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:11,544 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:11,545 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:11,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:11 BoogieIcfgContainer [2020-07-20 10:44:11,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:11,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:11,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:11,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:11,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:09" (1/3) ... [2020-07-20 10:44:11,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49eb5287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:11, skipping insertion in model container [2020-07-20 10:44:11,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:10" (2/3) ... [2020-07-20 10:44:11,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49eb5287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:11, skipping insertion in model container [2020-07-20 10:44:11,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:11" (3/3) ... [2020-07-20 10:44:11,558 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-07-20 10:44:11,567 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:11,575 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:11,586 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:11,608 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:11,608 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:11,608 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:11,608 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:11,609 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:11,609 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:11,609 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:11,609 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-07-20 10:44:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:11,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:11,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:11,643 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:11,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:11,649 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2020-07-20 10:44:11,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:11,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247882182] [2020-07-20 10:44:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:11,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:11,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:11,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:11,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247882182] [2020-07-20 10:44:11,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:11,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:11,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749217699] [2020-07-20 10:44:11,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:11,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:11,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:11,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:11,991 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2020-07-20 10:44:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:12,039 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2020-07-20 10:44:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:12,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:12,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:12,056 INFO L225 Difference]: With dead ends: 284 [2020-07-20 10:44:12,056 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 10:44:12,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:12,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 10:44:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 10:44:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 10:44:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-07-20 10:44:12,125 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2020-07-20 10:44:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:12,126 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-07-20 10:44:12,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-07-20 10:44:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:12,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:12,131 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:12,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2020-07-20 10:44:12,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:12,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120965966] [2020-07-20 10:44:12,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:12,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:12,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:12,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:12,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120965966] [2020-07-20 10:44:12,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:12,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:12,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451226286] [2020-07-20 10:44:12,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:12,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:12,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:12,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:12,656 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2020-07-20 10:44:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:12,700 INFO L93 Difference]: Finished difference Result 227 states and 267 transitions. [2020-07-20 10:44:12,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:12,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:12,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:12,707 INFO L225 Difference]: With dead ends: 227 [2020-07-20 10:44:12,707 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 10:44:12,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:12,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 10:44:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-07-20 10:44:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 10:44:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2020-07-20 10:44:12,739 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2020-07-20 10:44:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:12,739 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2020-07-20 10:44:12,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2020-07-20 10:44:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:44:12,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:12,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:12,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,964 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:12,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2020-07-20 10:44:12,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:12,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887602973] [2020-07-20 10:44:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:13,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:13,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:13,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:13,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887602973] [2020-07-20 10:44:13,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:13,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:13,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082106430] [2020-07-20 10:44:13,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:13,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:13,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:13,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:13,192 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 3 states. [2020-07-20 10:44:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:13,217 INFO L93 Difference]: Finished difference Result 347 states and 418 transitions. [2020-07-20 10:44:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:13,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:44:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:13,221 INFO L225 Difference]: With dead ends: 347 [2020-07-20 10:44:13,222 INFO L226 Difference]: Without dead ends: 240 [2020-07-20 10:44:13,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 10:44:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-07-20 10:44:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2020-07-20 10:44:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-20 10:44:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 283 transitions. [2020-07-20 10:44:13,246 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 283 transitions. Word has length 64 [2020-07-20 10:44:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:13,247 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 283 transitions. [2020-07-20 10:44:13,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 283 transitions. [2020-07-20 10:44:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:13,250 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:13,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:13,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:13,464 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:13,464 INFO L82 PathProgramCache]: Analyzing trace with hash 423224560, now seen corresponding path program 1 times [2020-07-20 10:44:13,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:13,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633352400] [2020-07-20 10:44:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:13,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:13,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:13,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:13,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633352400] [2020-07-20 10:44:13,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:13,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:13,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601389056] [2020-07-20 10:44:13,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:13,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:13,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:13,701 INFO L87 Difference]: Start difference. First operand 236 states and 283 transitions. Second operand 6 states. [2020-07-20 10:44:13,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:13,935 INFO L93 Difference]: Finished difference Result 564 states and 709 transitions. [2020-07-20 10:44:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:13,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:13,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:13,940 INFO L225 Difference]: With dead ends: 564 [2020-07-20 10:44:13,940 INFO L226 Difference]: Without dead ends: 356 [2020-07-20 10:44:13,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:13,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-20 10:44:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 346. [2020-07-20 10:44:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-07-20 10:44:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 419 transitions. [2020-07-20 10:44:13,975 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 419 transitions. Word has length 70 [2020-07-20 10:44:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:13,975 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 419 transitions. [2020-07-20 10:44:13,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 419 transitions. [2020-07-20 10:44:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:44:13,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:13,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:14,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,192 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:14,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2020-07-20 10:44:14,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:14,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988031371] [2020-07-20 10:44:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:14,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:14,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:14,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:14,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988031371] [2020-07-20 10:44:14,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:14,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:14,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95804620] [2020-07-20 10:44:14,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:14,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:14,410 INFO L87 Difference]: Start difference. First operand 346 states and 419 transitions. Second operand 6 states. [2020-07-20 10:44:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:14,469 INFO L93 Difference]: Finished difference Result 674 states and 834 transitions. [2020-07-20 10:44:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:14,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 10:44:14,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:14,472 INFO L225 Difference]: With dead ends: 674 [2020-07-20 10:44:14,472 INFO L226 Difference]: Without dead ends: 356 [2020-07-20 10:44:14,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 10:44:14,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-20 10:44:14,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2020-07-20 10:44:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-07-20 10:44:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 429 transitions. [2020-07-20 10:44:14,512 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 429 transitions. Word has length 92 [2020-07-20 10:44:14,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:14,514 INFO L479 AbstractCegarLoop]: Abstraction has 356 states and 429 transitions. [2020-07-20 10:44:14,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 429 transitions. [2020-07-20 10:44:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:44:14,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:14,519 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:14,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,735 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:14,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:14,736 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2020-07-20 10:44:14,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:14,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328474660] [2020-07-20 10:44:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:14,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:14,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:14,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:14,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328474660] [2020-07-20 10:44:14,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:14,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:14,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953850820] [2020-07-20 10:44:14,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:14,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:14,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:14,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:14,939 INFO L87 Difference]: Start difference. First operand 356 states and 429 transitions. Second operand 5 states. [2020-07-20 10:44:14,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:14,967 INFO L93 Difference]: Finished difference Result 698 states and 872 transitions. [2020-07-20 10:44:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:14,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 10:44:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:14,970 INFO L225 Difference]: With dead ends: 698 [2020-07-20 10:44:14,970 INFO L226 Difference]: Without dead ends: 370 [2020-07-20 10:44:14,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 10:44:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-07-20 10:44:14,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 364. [2020-07-20 10:44:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-07-20 10:44:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 437 transitions. [2020-07-20 10:44:14,990 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 437 transitions. Word has length 92 [2020-07-20 10:44:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:14,991 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 437 transitions. [2020-07-20 10:44:14,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 437 transitions. [2020-07-20 10:44:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:44:14,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:14,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,206 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2020-07-20 10:44:15,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393167354] [2020-07-20 10:44:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:15,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:15,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393167354] [2020-07-20 10:44:15,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:15,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:15,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658031426] [2020-07-20 10:44:15,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:15,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:15,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:15,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:15,398 INFO L87 Difference]: Start difference. First operand 364 states and 437 transitions. Second operand 3 states. [2020-07-20 10:44:15,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:15,452 INFO L93 Difference]: Finished difference Result 994 states and 1265 transitions. [2020-07-20 10:44:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:15,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 10:44:15,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:15,457 INFO L225 Difference]: With dead ends: 994 [2020-07-20 10:44:15,457 INFO L226 Difference]: Without dead ends: 658 [2020-07-20 10:44:15,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 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 10:44:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-07-20 10:44:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 655. [2020-07-20 10:44:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-07-20 10:44:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 810 transitions. [2020-07-20 10:44:15,520 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 810 transitions. Word has length 92 [2020-07-20 10:44:15,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:15,521 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 810 transitions. [2020-07-20 10:44:15,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 810 transitions. [2020-07-20 10:44:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 10:44:15,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,738 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2020-07-20 10:44:15,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603722128] [2020-07-20 10:44:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:16,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:16,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603722128] [2020-07-20 10:44:16,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:16,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:16,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661391675] [2020-07-20 10:44:16,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:16,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:16,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:16,004 INFO L87 Difference]: Start difference. First operand 655 states and 810 transitions. Second operand 10 states. [2020-07-20 10:44:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:17,449 INFO L93 Difference]: Finished difference Result 1946 states and 2723 transitions. [2020-07-20 10:44:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:17,450 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-20 10:44:17,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,459 INFO L225 Difference]: With dead ends: 1946 [2020-07-20 10:44:17,459 INFO L226 Difference]: Without dead ends: 1319 [2020-07-20 10:44:17,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-07-20 10:44:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 962. [2020-07-20 10:44:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2020-07-20 10:44:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1195 transitions. [2020-07-20 10:44:17,534 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1195 transitions. Word has length 96 [2020-07-20 10:44:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,534 INFO L479 AbstractCegarLoop]: Abstraction has 962 states and 1195 transitions. [2020-07-20 10:44:17,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1195 transitions. [2020-07-20 10:44:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 10:44:17,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:17,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:17,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,751 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:17,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1845859529, now seen corresponding path program 1 times [2020-07-20 10:44:17,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:17,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671498629] [2020-07-20 10:44:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:17,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:17,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:17,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:17,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671498629] [2020-07-20 10:44:17,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:17,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:17,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986073719] [2020-07-20 10:44:17,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:17,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:17,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:17,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:17,986 INFO L87 Difference]: Start difference. First operand 962 states and 1195 transitions. Second operand 3 states. [2020-07-20 10:44:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,065 INFO L93 Difference]: Finished difference Result 1172 states and 1452 transitions. [2020-07-20 10:44:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:18,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 10:44:18,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,072 INFO L225 Difference]: With dead ends: 1172 [2020-07-20 10:44:18,072 INFO L226 Difference]: Without dead ends: 463 [2020-07-20 10:44:18,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 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 10:44:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-07-20 10:44:18,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2020-07-20 10:44:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-07-20 10:44:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 556 transitions. [2020-07-20 10:44:18,111 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 556 transitions. Word has length 137 [2020-07-20 10:44:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,111 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 556 transitions. [2020-07-20 10:44:18,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 556 transitions. [2020-07-20 10:44:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 10:44:18,114 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,114 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:18,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,329 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1624055928, now seen corresponding path program 1 times [2020-07-20 10:44:18,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696591955] [2020-07-20 10:44:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:18,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 10:44:19,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696591955] [2020-07-20 10:44:19,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:19,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:19,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931121063] [2020-07-20 10:44:19,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:19,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:19,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:19,007 INFO L87 Difference]: Start difference. First operand 463 states and 556 transitions. Second operand 10 states. [2020-07-20 10:44:19,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,610 INFO L93 Difference]: Finished difference Result 992 states and 1209 transitions. [2020-07-20 10:44:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:19,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-20 10:44:19,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,612 INFO L225 Difference]: With dead ends: 992 [2020-07-20 10:44:19,612 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:19,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:19,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 10:44:19,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,618 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:19,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:19,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:19,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:21,518 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-20 10:44:21,773 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:22,040 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:22,225 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:22,392 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-07-20 10:44:22,508 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 10:44:22,915 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-20 10:44:23,141 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-07-20 10:44:23,395 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-07-20 10:44:23,825 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 10:44:23,935 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-20 10:44:24,321 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-07-20 10:44:24,574 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 10:44:24,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-07-20 10:44:24,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-07-20 10:44:24,576 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-20 10:44:24,576 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-07-20 10:44:24,576 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2020-07-20 10:44:24,576 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-20 10:44:24,576 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2020-07-20 10:44:24,577 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2020-07-20 10:44:24,577 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2020-07-20 10:44:24,577 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: true [2020-07-20 10:44:24,577 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2020-07-20 10:44:24,577 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2020-07-20 10:44:24,578 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:24,578 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2020-07-20 10:44:24,578 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-20 10:44:24,578 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2020-07-20 10:44:24,579 INFO L264 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:24,579 INFO L268 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2020-07-20 10:44:24,579 INFO L268 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2020-07-20 10:44:24,579 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:24,579 INFO L268 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-07-20 10:44:24,579 INFO L268 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2020-07-20 10:44:24,579 INFO L268 CegarLoopResult]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2020-07-20 10:44:24,580 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-20 10:44:24,580 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-20 10:44:24,580 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2020-07-20 10:44:24,580 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2020-07-20 10:44:24,580 INFO L264 CegarLoopResult]: At program point L354-1(line 354) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,580 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,580 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2020-07-20 10:44:24,580 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2020-07-20 10:44:24,580 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,581 INFO L264 CegarLoopResult]: At program point L360-1(line 360) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L264 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,581 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2020-07-20 10:44:24,581 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2020-07-20 10:44:24,582 INFO L268 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2020-07-20 10:44:24,583 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 10:44:24,583 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2020-07-20 10:44:24,583 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 10:44:24,583 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:44:24,583 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 10:44:24,583 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:44:24,583 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 10:44:24,583 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-20 10:44:24,584 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2020-07-20 10:44:24,585 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2020-07-20 10:44:24,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-07-20 10:44:24,586 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-20 10:44:24,587 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2020-07-20 10:44:24,588 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2020-07-20 10:44:24,588 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2020-07-20 10:44:24,589 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,589 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-20 10:44:24,589 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,589 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-20 10:44:24,589 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-20 10:44:24,589 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-20 10:44:24,589 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,590 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,590 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-20 10:44:24,590 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,590 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-20 10:44:24,590 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-20 10:44:24,590 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-07-20 10:44:24,590 INFO L264 CegarLoopResult]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,591 INFO L268 CegarLoopResult]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2020-07-20 10:44:24,591 INFO L264 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:24,591 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:24,591 INFO L268 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-07-20 10:44:24,591 INFO L264 CegarLoopResult]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,591 INFO L268 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2020-07-20 10:44:24,591 INFO L268 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2020-07-20 10:44:24,592 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,592 INFO L268 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-07-20 10:44:24,592 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-07-20 10:44:24,592 INFO L264 CegarLoopResult]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,592 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-07-20 10:44:24,593 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-07-20 10:44:24,594 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-20 10:44:24,595 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-07-20 10:44:24,596 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-20 10:44:24,597 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:24,597 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-20 10:44:24,598 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-20 10:44:24,598 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-20 10:44:24,598 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-20 10:44:24,598 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-20 10:44:24,598 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-20 10:44:24,598 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-20 10:44:24,598 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2020-07-20 10:44:24,598 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2020-07-20 10:44:24,599 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-07-20 10:44:24,600 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-07-20 10:44:24,600 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:24,600 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-20 10:44:24,600 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-20 10:44:24,600 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-20 10:44:24,601 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-20 10:44:24,601 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse0 .cse6 .cse7) (or .cse0 .cse6 .cse2 .cse7 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2)))) [2020-07-20 10:44:24,601 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-20 10:44:24,601 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 10:44:24,601 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2020-07-20 10:44:24,601 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2020-07-20 10:44:24,602 INFO L268 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-07-20 10:44:24,602 INFO L271 CegarLoopResult]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2020-07-20 10:44:24,602 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-20 10:44:24,602 INFO L271 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2020-07-20 10:44:24,602 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-07-20 10:44:24,602 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:44:24,602 INFO L271 CegarLoopResult]: At program point L294(lines 269 298) the Hoare annotation is: true [2020-07-20 10:44:24,602 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-20 10:44:24,603 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:24,603 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-07-20 10:44:24,603 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-07-20 10:44:24,603 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2020-07-20 10:44:24,603 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2020-07-20 10:44:24,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,603 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:24,603 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:24,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:24,604 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,604 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:24,604 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-20 10:44:24,604 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-20 10:44:24,604 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-20 10:44:24,604 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,604 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-20 10:44:24,604 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,605 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:24,605 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-20 10:44:24,605 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-07-20 10:44:24,605 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-07-20 10:44:24,605 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse6 .cse0 .cse7 .cse3))) [2020-07-20 10:44:24,605 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2020-07-20 10:44:24,605 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2020-07-20 10:44:24,606 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2020-07-20 10:44:24,606 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2020-07-20 10:44:24,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:24 BoogieIcfgContainer [2020-07-20 10:44:24,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:24,623 INFO L168 Benchmark]: Toolchain (without parser) took 14883.23 ms. Allocated memory was 138.9 MB in the beginning and 408.9 MB in the end (delta: 270.0 MB). Free memory was 100.6 MB in the beginning and 297.2 MB in the end (delta: -196.6 MB). Peak memory consumption was 283.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,624 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.26 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 172.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,626 INFO L168 Benchmark]: Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,627 INFO L168 Benchmark]: RCFGBuilder took 1133.81 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 167.4 MB in the beginning and 194.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,627 INFO L168 Benchmark]: TraceAbstraction took 13070.80 ms. Allocated memory was 237.0 MB in the beginning and 408.9 MB in the end (delta: 172.0 MB). Free memory was 193.5 MB in the beginning and 297.2 MB in the end (delta: -103.7 MB). Peak memory consumption was 277.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:24,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 588.26 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 172.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1133.81 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 167.4 MB in the beginning and 194.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13070.80 ms. Allocated memory was 237.0 MB in the beginning and 408.9 MB in the end (delta: 172.0 MB). Free memory was 193.5 MB in the beginning and 297.2 MB in the end (delta: -103.7 MB). Peak memory consumption was 277.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1907 SDtfs, 1174 SDslu, 3194 SDs, 0 SdLazy, 1411 SolverSat, 450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1089 GetRequests, 1030 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=962occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 380 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1545 PreInvPairs, 1644 NumberOfFragments, 1943 HoareAnnotationTreeSize, 1545 FomulaSimplifications, 2010 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 6886 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 919 NumberOfCodeBlocks, 919 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 210473 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7781 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 119/141 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...