/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:39:41,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:39:41,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:39:41,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:39:41,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:39:41,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:39:41,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:39:41,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:39:41,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:39:41,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:39:41,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:39:41,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:39:41,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:39:41,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:39:41,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:39:41,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:39:41,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:39:41,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:39:41,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:39:41,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:39:41,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:39:41,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:39:41,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:39:41,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:39:41,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:39:41,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:39:41,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:39:41,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:39:41,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:39:41,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:39:41,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:39:41,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:39:41,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:39:41,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:39:41,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:39:41,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:39:41,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:39:41,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:39:41,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:39:41,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:39:41,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:39:41,431 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 [2020-07-07 10:39:41,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:39:41,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:39:41,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:39:41,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:39:41,451 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:39:41,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:39:41,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:39:41,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:39:41,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:39:41,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:39:41,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:39:41,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:39:41,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:39:41,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:39:41,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:39:41,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:39:41,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:39:41,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:39:41,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:39:41,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:39:41,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:39:41,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:39:41,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:39:41,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:39:41,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:39:41,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:39:41,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:39:41,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:39:41,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:39:41,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:39:41,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:39:41,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:39:41,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:39:41,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:39:41,757 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:39:41,758 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-07-07 10:39:41,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae3b69b6/288e2de393ad478497e8df9baacfc5cc/FLAG15dfd3447 [2020-07-07 10:39:42,321 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:39:42,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-07-07 10:39:42,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae3b69b6/288e2de393ad478497e8df9baacfc5cc/FLAG15dfd3447 [2020-07-07 10:39:42,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae3b69b6/288e2de393ad478497e8df9baacfc5cc [2020-07-07 10:39:42,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:39:42,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:39:42,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:39:42,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:39:42,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:39:42,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:39:42" (1/1) ... [2020-07-07 10:39:42,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c1fdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:42, skipping insertion in model container [2020-07-07 10:39:42,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:39:42" (1/1) ... [2020-07-07 10:39:42,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:39:42,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:39:43,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:39:43,252 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:39:43,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:39:43,448 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:39:43,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43 WrapperNode [2020-07-07 10:39:43,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:39:43,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:39:43,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:39:43,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:39:43,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (1/1) ... [2020-07-07 10:39:43,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:39:43,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:39:43,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:39:43,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:39:43,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (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 [2020-07-07 10:39:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:39:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:39:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:39:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:39:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:39:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:39:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:39:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:39:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:39:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:39:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:39:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:39:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:39:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:39:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:39:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:39:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:39:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:39:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:39:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:39:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:39:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:39:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:39:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:39:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:39:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:39:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:39:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:39:44,628 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:39:44,628 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:39:44,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:39:44 BoogieIcfgContainer [2020-07-07 10:39:44,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:39:44,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:39:44,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:39:44,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:39:44,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:39:42" (1/3) ... [2020-07-07 10:39:44,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b4ac00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:39:44, skipping insertion in model container [2020-07-07 10:39:44,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:39:43" (2/3) ... [2020-07-07 10:39:44,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b4ac00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:39:44, skipping insertion in model container [2020-07-07 10:39:44,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:39:44" (3/3) ... [2020-07-07 10:39:44,642 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-07-07 10:39:44,652 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:39:44,660 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:39:44,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:39:44,699 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:39:44,700 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:39:44,700 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:39:44,700 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:39:44,700 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:39:44,701 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:39:44,701 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:39:44,701 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:39:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-07 10:39:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:39:44,734 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:44,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:44,735 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:44,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:44,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2020-07-07 10:39:44,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:44,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746241368] [2020-07-07 10:39:44,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,471 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:45,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746241368] [2020-07-07 10:39:45,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:45,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:39:45,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135259889] [2020-07-07 10:39:45,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:39:45,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:45,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:39:45,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:39:45,631 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-07-07 10:39:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:39:46,978 INFO L93 Difference]: Finished difference Result 312 states and 408 transitions. [2020-07-07 10:39:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:39:46,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:39:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:39:46,997 INFO L225 Difference]: With dead ends: 312 [2020-07-07 10:39:46,997 INFO L226 Difference]: Without dead ends: 169 [2020-07-07 10:39:47,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:39:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-07 10:39:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 134. [2020-07-07 10:39:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-07 10:39:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-07-07 10:39:47,096 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-07-07 10:39:47,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:39:47,097 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-07-07 10:39:47,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:39:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-07-07 10:39:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:39:47,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:47,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:47,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:39:47,102 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:47,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:47,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2020-07-07 10:39:47,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:47,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125518079] [2020-07-07 10:39:47,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,450 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:47,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125518079] [2020-07-07 10:39:47,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:47,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:39:47,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934273258] [2020-07-07 10:39:47,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:39:47,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:47,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:39:47,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:39:47,497 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 4 states. [2020-07-07 10:39:47,923 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:39:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:39:48,886 INFO L93 Difference]: Finished difference Result 241 states and 295 transitions. [2020-07-07 10:39:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:39:48,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:39:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:39:48,890 INFO L225 Difference]: With dead ends: 241 [2020-07-07 10:39:48,890 INFO L226 Difference]: Without dead ends: 153 [2020-07-07 10:39:48,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:39:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-07 10:39:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 125. [2020-07-07 10:39:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-07 10:39:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-07-07 10:39:48,935 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-07-07 10:39:48,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:39:48,936 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-07-07 10:39:48,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:39:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-07-07 10:39:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:39:48,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:48,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:48,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:39:48,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:48,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:48,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2020-07-07 10:39:48,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:48,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638995896] [2020-07-07 10:39:48,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,326 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:49,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638995896] [2020-07-07 10:39:49,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:49,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:39:49,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350034297] [2020-07-07 10:39:49,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:39:49,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:49,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:39:49,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:39:49,430 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 8 states. [2020-07-07 10:39:49,829 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:39:50,131 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:39:50,403 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:39:50,641 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:39:51,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:39:51,961 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2020-07-07 10:39:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:39:51,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:39:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:39:51,965 INFO L225 Difference]: With dead ends: 254 [2020-07-07 10:39:51,965 INFO L226 Difference]: Without dead ends: 153 [2020-07-07 10:39:51,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:39:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-07 10:39:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 125. [2020-07-07 10:39:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-07 10:39:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-07-07 10:39:52,004 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2020-07-07 10:39:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:39:52,005 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-07-07 10:39:52,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:39:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-07-07 10:39:52,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:39:52,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:52,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:52,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:39:52,008 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:52,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2020-07-07 10:39:52,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:52,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218213597] [2020-07-07 10:39:52,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,314 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:52,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218213597] [2020-07-07 10:39:52,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:52,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:39:52,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340140072] [2020-07-07 10:39:52,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:39:52,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:52,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:39:52,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:39:52,434 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 6 states. [2020-07-07 10:39:52,882 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:39:54,049 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:39:54,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:39:54,814 INFO L93 Difference]: Finished difference Result 356 states and 440 transitions. [2020-07-07 10:39:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:39:54,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-07 10:39:54,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:39:54,818 INFO L225 Difference]: With dead ends: 356 [2020-07-07 10:39:54,818 INFO L226 Difference]: Without dead ends: 255 [2020-07-07 10:39:54,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:39:54,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-07 10:39:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 212. [2020-07-07 10:39:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-07 10:39:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2020-07-07 10:39:54,874 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2020-07-07 10:39:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:39:54,874 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2020-07-07 10:39:54,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:39:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2020-07-07 10:39:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:39:54,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:54,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:54,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:39:54,877 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2020-07-07 10:39:54,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:54,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698987916] [2020-07-07 10:39:54,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,224 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:55,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698987916] [2020-07-07 10:39:55,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:55,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:39:55,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921246663] [2020-07-07 10:39:55,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:39:55,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:55,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:39:55,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:39:55,395 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 8 states. [2020-07-07 10:39:55,795 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:39:56,845 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:39:57,178 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:39:57,710 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:39:57,952 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:39:58,215 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:39:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:39:59,200 INFO L93 Difference]: Finished difference Result 634 states and 779 transitions. [2020-07-07 10:39:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:39:59,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-07 10:39:59,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:39:59,204 INFO L225 Difference]: With dead ends: 634 [2020-07-07 10:39:59,205 INFO L226 Difference]: Without dead ends: 446 [2020-07-07 10:39:59,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:39:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-07-07 10:39:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 379. [2020-07-07 10:39:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-07 10:39:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2020-07-07 10:39:59,295 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2020-07-07 10:39:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:39:59,296 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2020-07-07 10:39:59,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:39:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2020-07-07 10:39:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:39:59,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:39:59,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:39:59,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:39:59,299 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:39:59,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:39:59,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2020-07-07 10:39:59,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:39:59,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-07 10:39:59,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:39:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,583 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:39:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:39:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:39:59,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-07 10:39:59,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:39:59,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:39:59,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154564720] [2020-07-07 10:39:59,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:39:59,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:39:59,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:39:59,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:39:59,706 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 9 states. [2020-07-07 10:40:00,114 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:01,206 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:01,481 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:02,535 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:02,802 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:03,036 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:03,369 INFO L93 Difference]: Finished difference Result 488 states and 612 transitions. [2020-07-07 10:40:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:40:03,370 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-07 10:40:03,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:03,375 INFO L225 Difference]: With dead ends: 488 [2020-07-07 10:40:03,375 INFO L226 Difference]: Without dead ends: 485 [2020-07-07 10:40:03,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:40:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-07 10:40:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 379. [2020-07-07 10:40:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-07-07 10:40:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2020-07-07 10:40:03,471 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2020-07-07 10:40:03,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:03,471 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2020-07-07 10:40:03,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2020-07-07 10:40:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:40:03,474 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:03,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:03,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:40:03,474 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:03,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:03,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2020-07-07 10:40:03,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:03,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254010633] [2020-07-07 10:40:03,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,707 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:03,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254010633] [2020-07-07 10:40:03,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:03,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:40:03,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644243203] [2020-07-07 10:40:03,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:40:03,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:03,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:40:03,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:40:03,891 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 9 states. [2020-07-07 10:40:04,834 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:05,078 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:40:05,330 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:05,584 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:06,662 INFO L93 Difference]: Finished difference Result 848 states and 1052 transitions. [2020-07-07 10:40:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:40:06,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-07-07 10:40:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:06,668 INFO L225 Difference]: With dead ends: 848 [2020-07-07 10:40:06,668 INFO L226 Difference]: Without dead ends: 493 [2020-07-07 10:40:06,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:40:06,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-07-07 10:40:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 389. [2020-07-07 10:40:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-07-07 10:40:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2020-07-07 10:40:06,771 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2020-07-07 10:40:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:06,772 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2020-07-07 10:40:06,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:40:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2020-07-07 10:40:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:40:06,776 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:06,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:06,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:40:06,776 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:06,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:06,777 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2020-07-07 10:40:06,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:06,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429619497] [2020-07-07 10:40:06,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,051 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:07,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429619497] [2020-07-07 10:40:07,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:07,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:40:07,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542686794] [2020-07-07 10:40:07,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:40:07,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:40:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:40:07,210 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 11 states. [2020-07-07 10:40:07,847 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:40:08,068 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:08,294 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:08,928 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:09,175 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:09,403 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:40:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:10,566 INFO L93 Difference]: Finished difference Result 868 states and 1074 transitions. [2020-07-07 10:40:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:40:10,568 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-07-07 10:40:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:10,573 INFO L225 Difference]: With dead ends: 868 [2020-07-07 10:40:10,573 INFO L226 Difference]: Without dead ends: 503 [2020-07-07 10:40:10,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:40:10,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-07 10:40:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 397. [2020-07-07 10:40:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-07-07 10:40:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2020-07-07 10:40:10,643 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2020-07-07 10:40:10,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:10,643 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2020-07-07 10:40:10,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:40:10,643 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2020-07-07 10:40:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:40:10,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:10,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:10,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:40:10,646 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:10,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:10,646 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2020-07-07 10:40:10,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:10,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515556151] [2020-07-07 10:40:10,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,900 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:40:11,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515556151] [2020-07-07 10:40:11,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:40:11,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:40:11,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724271644] [2020-07-07 10:40:11,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:40:11,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:11,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:40:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:40:11,061 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 7 states. [2020-07-07 10:40:11,460 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:11,958 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:40:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:14,287 INFO L93 Difference]: Finished difference Result 1210 states and 1548 transitions. [2020-07-07 10:40:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:40:14,287 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-07-07 10:40:14,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:14,293 INFO L225 Difference]: With dead ends: 1210 [2020-07-07 10:40:14,293 INFO L226 Difference]: Without dead ends: 837 [2020-07-07 10:40:14,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:40:14,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-07-07 10:40:14,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 717. [2020-07-07 10:40:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-07 10:40:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 843 transitions. [2020-07-07 10:40:14,450 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 843 transitions. Word has length 99 [2020-07-07 10:40:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:14,452 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 843 transitions. [2020-07-07 10:40:14,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:40:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 843 transitions. [2020-07-07 10:40:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:40:14,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:14,455 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:14,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:40:14,456 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:14,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2020-07-07 10:40:14,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:14,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233000088] [2020-07-07 10:40:14,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,756 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:40:15,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233000088] [2020-07-07 10:40:15,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836549001] [2020-07-07 10:40:15,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:15,235 INFO L264 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:40:15,248 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:40:15,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:15,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-07 10:40:15,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723706638] [2020-07-07 10:40:15,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:15,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:15,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:15,436 INFO L87 Difference]: Start difference. First operand 717 states and 843 transitions. Second operand 8 states. [2020-07-07 10:40:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:15,866 INFO L93 Difference]: Finished difference Result 1376 states and 1628 transitions. [2020-07-07 10:40:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:15,867 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-07-07 10:40:15,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:15,871 INFO L225 Difference]: With dead ends: 1376 [2020-07-07 10:40:15,872 INFO L226 Difference]: Without dead ends: 683 [2020-07-07 10:40:15,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:40:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-07-07 10:40:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2020-07-07 10:40:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-07-07 10:40:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 789 transitions. [2020-07-07 10:40:16,021 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 789 transitions. Word has length 103 [2020-07-07 10:40:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:16,021 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 789 transitions. [2020-07-07 10:40:16,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 789 transitions. [2020-07-07 10:40:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-07 10:40:16,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:40:16,026 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:40:16,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:40:16,240 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:40:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:40:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2020-07-07 10:40:16,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:40:16,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739542235] [2020-07-07 10:40:16,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:40:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,611 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-07 10:40:17,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739542235] [2020-07-07 10:40:17,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221681033] [2020-07-07 10:40:17,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:40:17,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:40:17,309 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:40:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:40:17,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:40:17,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:40:17,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172513867] [2020-07-07 10:40:17,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:40:17,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:40:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:40:17,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:40:17,505 INFO L87 Difference]: Start difference. First operand 683 states and 789 transitions. Second operand 8 states. [2020-07-07 10:40:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:40:18,041 INFO L93 Difference]: Finished difference Result 1157 states and 1356 transitions. [2020-07-07 10:40:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:40:18,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-07-07 10:40:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:40:18,043 INFO L225 Difference]: With dead ends: 1157 [2020-07-07 10:40:18,044 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:40:18,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:40:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:40:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:40:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:40:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:40:18,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-07 10:40:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:40:18,050 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:40:18,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:40:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:40:18,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:40:18,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:40:18,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:40:19,395 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 199 [2020-07-07 10:40:19,563 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-07 10:40:19,718 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2020-07-07 10:40:19,853 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-07 10:40:20,698 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-07 10:40:21,930 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-07-07 10:40:23,104 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 240 [2020-07-07 10:40:23,803 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-07 10:40:24,121 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-07 10:40:24,351 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-07 10:40:25,200 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:40:25,731 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:40:25,904 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:40:26,080 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:26,263 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:40:26,831 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-07 10:40:27,774 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 23 [2020-07-07 10:40:28,300 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-07 10:40:29,247 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 27 [2020-07-07 10:40:29,415 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:40:29,611 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:30,107 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 15 [2020-07-07 10:40:30,316 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:40:30,858 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-07 10:40:31,402 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:40:31,594 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:40:32,097 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-07 10:40:32,308 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:40:32,832 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:40:33,006 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:40:33,211 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-07 10:40:34,123 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 24 [2020-07-07 10:40:34,641 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-07 10:40:35,307 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-07 10:40:35,513 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 10:40:36,018 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-07 10:40:36,223 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-07 10:40:36,379 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:40:36,561 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:36,742 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-07 10:40:36,905 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:40:37,847 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-07-07 10:40:38,009 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:40:38,185 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:38,701 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-07 10:40:39,209 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-07 10:40:40,071 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 24 [2020-07-07 10:40:40,227 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:40:40,421 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-07 10:40:40,921 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-07 10:40:41,386 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:40:41,561 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:40:41,780 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:42,639 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 27 [2020-07-07 10:40:42,807 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:40:43,657 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 27 [2020-07-07 10:40:44,142 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:40:44,147 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point L687(lines 664 688) no Hoare annotation was computed. [2020-07-07 10:40:44,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2020-07-07 10:40:44,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2020-07-07 10:40:44,149 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-07-07 10:40:44,149 INFO L268 CegarLoopResult]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2020-07-07 10:40:44,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2020-07-07 10:40:44,149 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point L748(lines 721 749) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-07-07 10:40:44,150 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2020-07-07 10:40:44,151 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2020-07-07 10:40:44,151 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2020-07-07 10:40:44,151 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2020-07-07 10:40:44,151 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2020-07-07 10:40:44,151 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,152 INFO L264 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: (or (and (= 1 main_~tmp~5) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,152 INFO L264 CegarLoopResult]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= 1 main_~tmp~5) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,152 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-07-07 10:40:44,152 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2020-07-07 10:40:44,152 INFO L268 CegarLoopResult]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2020-07-07 10:40:44,152 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 10:40:44,153 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,153 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,153 INFO L264 CegarLoopResult]: At program point L405-1(line 405) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,153 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2020-07-07 10:40:44,153 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2020-07-07 10:40:44,153 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-07 10:40:44,154 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-07-07 10:40:44,155 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:40:44,155 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:40:44,155 INFO L268 CegarLoopResult]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse1 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse1 .cse2))) [2020-07-07 10:40:44,156 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-07-07 10:40:44,156 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point L267(lines 267 275) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2020-07-07 10:40:44,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point L921(lines 921 941) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2020-07-07 10:40:44,158 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2020-07-07 10:40:44,158 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-07 10:40:44,159 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2020-07-07 10:40:44,160 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2020-07-07 10:40:44,160 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2020-07-07 10:40:44,160 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse2 .cse3 .cse1) (or .cse0 .cse4 .cse1) (or .cse4 .cse3 .cse1))) [2020-07-07 10:40:44,160 INFO L268 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-07-07 10:40:44,160 INFO L264 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:40:44,160 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-07 10:40:44,160 INFO L268 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-07-07 10:40:44,161 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2020-07-07 10:40:44,161 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:40:44,161 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:40:44,161 INFO L268 CegarLoopResult]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2020-07-07 10:40:44,161 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-07 10:40:44,161 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2020-07-07 10:40:44,161 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2020-07-07 10:40:44,161 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-07 10:40:44,162 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:40:44,163 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L881(lines 881 888) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L875(lines 875 895) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L268 CegarLoopResult]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2020-07-07 10:40:44,163 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L828(lines 806 829) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L787(lines 787 803) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L847(lines 847 854) no Hoare annotation was computed. [2020-07-07 10:40:44,164 INFO L268 CegarLoopResult]: For program point L808(lines 807 827) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L804(lines 804 845) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L846(lines 846 857) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2020-07-07 10:40:44,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:40:44,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L268 CegarLoopResult]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L268 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:40:44,166 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-07-07 10:40:44,166 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:40:44,166 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L271 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: true [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2020-07-07 10:40:44,167 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,168 INFO L268 CegarLoopResult]: For program point L128(lines 127 146) no Hoare annotation was computed. [2020-07-07 10:40:44,169 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:40:44,169 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2020-07-07 10:40:44,169 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)))) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-07-07 10:40:44,169 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse6 .cse5)) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4)))) [2020-07-07 10:40:44,169 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2020-07-07 10:40:44,169 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse0 .cse4) .cse2) (or (and .cse3 .cse4) .cse1 .cse2))) [2020-07-07 10:40:44,170 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2020-07-07 10:40:44,170 INFO L271 CegarLoopResult]: At program point L350(lines 325 354) the Hoare annotation is: true [2020-07-07 10:40:44,170 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2020-07-07 10:40:44,170 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-07 10:40:44,170 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-07 10:40:44,170 INFO L271 CegarLoopResult]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2020-07-07 10:40:44,170 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-07 10:40:44,170 INFO L271 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2020-07-07 10:40:44,170 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-07 10:40:44,171 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2020-07-07 10:40:44,171 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2020-07-07 10:40:44,171 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2020-07-07 10:40:44,172 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2020-07-07 10:40:44,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,172 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:40:44,172 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:40:44,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:40:44,172 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-07 10:40:44,172 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:40:44,172 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-07 10:40:44,172 INFO L268 CegarLoopResult]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2020-07-07 10:40:44,173 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2020-07-07 10:40:44,173 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:40:44,173 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2020-07-07 10:40:44,173 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2020-07-07 10:40:44,173 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2020-07-07 10:40:44,173 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2020-07-07 10:40:44,173 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-07-07 10:40:44,174 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:40:44,174 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point L477-1(line 477) no Hoare annotation was computed. [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2020-07-07 10:40:44,174 INFO L271 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: true [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-07-07 10:40:44,174 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2020-07-07 10:40:44,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:40:44 BoogieIcfgContainer [2020-07-07 10:40:44,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:40:44,195 INFO L168 Benchmark]: Toolchain (without parser) took 61494.56 ms. Allocated memory was 145.2 MB in the beginning and 853.0 MB in the end (delta: 707.8 MB). Free memory was 101.9 MB in the beginning and 537.1 MB in the end (delta: -435.1 MB). Peak memory consumption was 708.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,195 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.13 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 170.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,196 INFO L168 Benchmark]: Boogie Preprocessor took 93.30 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,197 INFO L168 Benchmark]: RCFGBuilder took 1090.29 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 196.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,198 INFO L168 Benchmark]: TraceAbstraction took 59558.31 ms. Allocated memory was 235.9 MB in the beginning and 853.0 MB in the end (delta: 617.1 MB). Free memory was 196.4 MB in the beginning and 537.1 MB in the end (delta: -340.7 MB). Peak memory consumption was 711.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:40:44,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.13 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 170.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.30 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1090.29 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 196.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 59558.31 ms. Allocated memory was 235.9 MB in the beginning and 853.0 MB in the end (delta: 617.1 MB). Free memory was 196.4 MB in the beginning and 537.1 MB in the end (delta: -340.7 MB). Peak memory consumption was 711.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 1913 SDslu, 2676 SDs, 0 SdLazy, 5739 SolverSat, 1173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 564 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=717occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 637 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1490 PreInvPairs, 1587 NumberOfFragments, 1617 HoareAnnotationTreeSize, 1490 FomulaSimplifications, 33384016 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 1319132 FormulaSimplificationTreeSizeReductionInter, 19.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 371890 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1686 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 108/113 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...