/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_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:53:02,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:53:02,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:53:02,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:53:02,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:53:02,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:53:02,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:53:02,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:53:02,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:53:02,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:53:02,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:53:02,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:53:02,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:53:02,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:53:02,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:53:02,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:53:02,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:53:02,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:53:02,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:53:02,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:53:02,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:53:02,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:53:02,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:53:02,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:53:02,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:53:02,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:53:02,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:53:02,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:53:02,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:53:02,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:53:02,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:53:02,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:53:02,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:53:02,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:53:02,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:53:02,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:53:02,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:53:02,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:53:02,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:53:02,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:53:02,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:53:02,426 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 10:53:02,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:53:02,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:53:02,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:53:02,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:53:02,464 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:53:02,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:53:02,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:53:02,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:53:02,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:53:02,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:53:02,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:53:02,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:53:02,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:53:02,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:53:02,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:53:02,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:53:02,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:53:02,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:53:02,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:53:02,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:53:02,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:53:02,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:53:02,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:53:02,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:53:02,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:53:02,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:53:02,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:53:02,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:53:02,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:53:02,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:53:02,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:53:02,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:53:02,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:53:02,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:53:02,834 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:53:02,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-07 10:53:02,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7a272f6/16363bc2497e44fa84e61c634cecc60c/FLAG35c69ac21 [2020-07-07 10:53:03,507 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:53:03,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-07 10:53:03,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7a272f6/16363bc2497e44fa84e61c634cecc60c/FLAG35c69ac21 [2020-07-07 10:53:03,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7a272f6/16363bc2497e44fa84e61c634cecc60c [2020-07-07 10:53:03,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:53:03,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:53:03,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:53:03,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:53:03,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:53:03,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:53:03" (1/1) ... [2020-07-07 10:53:03,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbfec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:03, skipping insertion in model container [2020-07-07 10:53:03,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:53:03" (1/1) ... [2020-07-07 10:53:03,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:53:03,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:53:04,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:53:04,314 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:53:04,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:53:04,495 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:53:04,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04 WrapperNode [2020-07-07 10:53:04,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:53:04,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:53:04,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:53:04,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:53:04,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (1/1) ... [2020-07-07 10:53:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:53:04,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:53:04,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:53:04,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:53:04,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (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 10:53:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:53:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:53:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:53:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:53:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:53:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:53:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:53:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:53:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:53:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:53:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:53:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:53:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:53:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:53:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:53:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:53:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:53:05,811 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:53:05,812 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:53:05,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:53:05 BoogieIcfgContainer [2020-07-07 10:53:05,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:53:05,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:53:05,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:53:05,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:53:05,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:53:03" (1/3) ... [2020-07-07 10:53:05,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7208e434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:53:05, skipping insertion in model container [2020-07-07 10:53:05,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:53:04" (2/3) ... [2020-07-07 10:53:05,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7208e434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:53:05, skipping insertion in model container [2020-07-07 10:53:05,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:53:05" (3/3) ... [2020-07-07 10:53:05,833 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-07 10:53:05,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:53:05,851 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:53:05,863 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:53:05,889 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:53:05,889 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:53:05,889 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:53:05,890 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:53:05,890 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:53:05,891 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:53:05,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:53:05,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:53:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-07 10:53:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:53:05,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:05,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:05,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:05,935 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-07 10:53:05,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:05,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477423376] [2020-07-07 10:53:05,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,666 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,827 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 10:53:06,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477423376] [2020-07-07 10:53:06,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:06,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:53:06,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183059474] [2020-07-07 10:53:06,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:53:06,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:06,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:53:06,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:53:06,859 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-07-07 10:53:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:08,301 INFO L93 Difference]: Finished difference Result 382 states and 489 transitions. [2020-07-07 10:53:08,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:53:08,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:53:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:08,318 INFO L225 Difference]: With dead ends: 382 [2020-07-07 10:53:08,318 INFO L226 Difference]: Without dead ends: 210 [2020-07-07 10:53:08,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:53:08,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-07 10:53:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 173. [2020-07-07 10:53:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-07 10:53:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-07 10:53:08,449 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-07 10:53:08,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:08,449 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-07 10:53:08,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:53:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-07 10:53:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:53:08,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:08,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:08,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:53:08,455 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:08,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-07 10:53:08,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:08,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925151865] [2020-07-07 10:53:08,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,791 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:08,848 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 10:53:08,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925151865] [2020-07-07 10:53:08,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:08,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:53:08,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343952192] [2020-07-07 10:53:08,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:53:08,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:53:08,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:53:08,852 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 5 states. [2020-07-07 10:53:09,319 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:10,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:10,451 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2020-07-07 10:53:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:53:10,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:53:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:10,456 INFO L225 Difference]: With dead ends: 317 [2020-07-07 10:53:10,457 INFO L226 Difference]: Without dead ends: 200 [2020-07-07 10:53:10,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:53:10,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-07 10:53:10,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-07-07 10:53:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-07 10:53:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-07 10:53:10,523 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-07 10:53:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:10,523 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-07 10:53:10,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:53:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-07 10:53:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:53:10,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:10,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:10,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:53:10,527 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:10,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:10,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-07 10:53:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:10,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191900242] [2020-07-07 10:53:10,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,861 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:11,012 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 10:53:11,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191900242] [2020-07-07 10:53:11,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:11,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:11,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360918333] [2020-07-07 10:53:11,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:11,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:11,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:11,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:11,015 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 9 states. [2020-07-07 10:53:11,426 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:11,743 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:11,983 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:12,220 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:13,103 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:15,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:15,430 INFO L93 Difference]: Finished difference Result 549 states and 680 transitions. [2020-07-07 10:53:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:53:15,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:53:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:15,440 INFO L225 Difference]: With dead ends: 549 [2020-07-07 10:53:15,441 INFO L226 Difference]: Without dead ends: 413 [2020-07-07 10:53:15,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:53:15,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-07 10:53:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 344. [2020-07-07 10:53:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-07-07 10:53:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2020-07-07 10:53:15,539 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2020-07-07 10:53:15,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:15,539 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2020-07-07 10:53:15,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2020-07-07 10:53:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:53:15,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:15,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:15,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:53:15,544 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:15,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:15,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-07 10:53:15,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:15,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519613158] [2020-07-07 10:53:15,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,901 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:53:16,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519613158] [2020-07-07 10:53:16,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:16,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:16,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526540729] [2020-07-07 10:53:16,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:16,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:16,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:16,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:16,016 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 9 states. [2020-07-07 10:53:16,428 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:17,109 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:18,163 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:18,386 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:18,697 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:18,969 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:19,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:19,941 INFO L93 Difference]: Finished difference Result 891 states and 1152 transitions. [2020-07-07 10:53:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:53:19,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:53:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:19,948 INFO L225 Difference]: With dead ends: 891 [2020-07-07 10:53:19,948 INFO L226 Difference]: Without dead ends: 575 [2020-07-07 10:53:19,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:53:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-07-07 10:53:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 507. [2020-07-07 10:53:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-07-07 10:53:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 605 transitions. [2020-07-07 10:53:20,083 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 605 transitions. Word has length 70 [2020-07-07 10:53:20,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:20,083 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 605 transitions. [2020-07-07 10:53:20,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 605 transitions. [2020-07-07 10:53:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:20,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:20,088 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:20,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:53:20,088 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:20,089 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-07 10:53:20,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:20,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325888229] [2020-07-07 10:53:20,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,372 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:20,536 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 10:53:20,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325888229] [2020-07-07 10:53:20,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:20,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:20,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178244328] [2020-07-07 10:53:20,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:20,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:20,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:20,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:20,539 INFO L87 Difference]: Start difference. First operand 507 states and 605 transitions. Second operand 9 states. [2020-07-07 10:53:21,710 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:21,971 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:22,209 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:22,446 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:23,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:23,395 INFO L93 Difference]: Finished difference Result 1079 states and 1378 transitions. [2020-07-07 10:53:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:53:23,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-07-07 10:53:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:23,403 INFO L225 Difference]: With dead ends: 1079 [2020-07-07 10:53:23,403 INFO L226 Difference]: Without dead ends: 600 [2020-07-07 10:53:23,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:53:23,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-07-07 10:53:23,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 520. [2020-07-07 10:53:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-07-07 10:53:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2020-07-07 10:53:23,512 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 113 [2020-07-07 10:53:23,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:23,513 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2020-07-07 10:53:23,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2020-07-07 10:53:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:23,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:23,515 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:23,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:53:23,516 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-07 10:53:23,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:23,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172763721] [2020-07-07 10:53:23,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,786 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:23,934 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 10:53:23,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172763721] [2020-07-07 10:53:23,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:23,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:53:23,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432850412] [2020-07-07 10:53:23,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:53:23,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:23,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:53:23,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:53:23,937 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 11 states. [2020-07-07 10:53:24,867 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:25,141 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:25,373 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:26,236 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:26,518 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:26,802 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:27,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:27,989 INFO L93 Difference]: Finished difference Result 1102 states and 1402 transitions. [2020-07-07 10:53:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:53:27,990 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-07-07 10:53:27,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:27,994 INFO L225 Difference]: With dead ends: 1102 [2020-07-07 10:53:27,995 INFO L226 Difference]: Without dead ends: 610 [2020-07-07 10:53:27,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:53:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-07-07 10:53:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 528. [2020-07-07 10:53:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-07-07 10:53:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 627 transitions. [2020-07-07 10:53:28,090 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 627 transitions. Word has length 113 [2020-07-07 10:53:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:28,090 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 627 transitions. [2020-07-07 10:53:28,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:53:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 627 transitions. [2020-07-07 10:53:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:28,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:28,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:28,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:53:28,093 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:28,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:28,094 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-07 10:53:28,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:28,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95022115] [2020-07-07 10:53:28,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,356 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,495 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 10:53:28,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95022115] [2020-07-07 10:53:28,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:28,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:53:28,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517851068] [2020-07-07 10:53:28,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:53:28,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:28,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:53:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:53:28,503 INFO L87 Difference]: Start difference. First operand 528 states and 627 transitions. Second operand 7 states. [2020-07-07 10:53:28,984 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:30,120 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:32,762 INFO L93 Difference]: Finished difference Result 1837 states and 2447 transitions. [2020-07-07 10:53:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:53:32,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-07-07 10:53:32,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:32,772 INFO L225 Difference]: With dead ends: 1837 [2020-07-07 10:53:32,772 INFO L226 Difference]: Without dead ends: 1337 [2020-07-07 10:53:32,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:53:32,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-07-07 10:53:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1190. [2020-07-07 10:53:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-07-07 10:53:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1478 transitions. [2020-07-07 10:53:32,990 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1478 transitions. Word has length 113 [2020-07-07 10:53:32,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:32,991 INFO L479 AbstractCegarLoop]: Abstraction has 1190 states and 1478 transitions. [2020-07-07 10:53:32,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:53:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1478 transitions. [2020-07-07 10:53:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-07 10:53:32,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:32,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:32,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:53:32,999 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:32,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:32,999 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-07 10:53:32,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:33,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410520830] [2020-07-07 10:53:33,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,399 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:33,674 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 10:53:33,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410520830] [2020-07-07 10:53:33,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:33,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:53:33,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203187135] [2020-07-07 10:53:33,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:53:33,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:33,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:53:33,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:53:33,678 INFO L87 Difference]: Start difference. First operand 1190 states and 1478 transitions. Second operand 12 states. [2020-07-07 10:53:34,372 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:35,032 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:35,735 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:36,046 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:36,288 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:36,575 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:36,838 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:39,137 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:39,447 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:40,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:40,306 INFO L93 Difference]: Finished difference Result 3677 states and 4769 transitions. [2020-07-07 10:53:40,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:53:40,307 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-07-07 10:53:40,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:40,321 INFO L225 Difference]: With dead ends: 3677 [2020-07-07 10:53:40,322 INFO L226 Difference]: Without dead ends: 2515 [2020-07-07 10:53:40,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:53:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2020-07-07 10:53:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2113. [2020-07-07 10:53:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2113 states. [2020-07-07 10:53:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2574 transitions. [2020-07-07 10:53:40,779 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2574 transitions. Word has length 117 [2020-07-07 10:53:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:40,780 INFO L479 AbstractCegarLoop]: Abstraction has 2113 states and 2574 transitions. [2020-07-07 10:53:40,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:53:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2574 transitions. [2020-07-07 10:53:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-07 10:53:40,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:40,786 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:40,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:53:40,786 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:40,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-07 10:53:40,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:40,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251988346] [2020-07-07 10:53:40,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-07 10:53:41,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251988346] [2020-07-07 10:53:41,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693207242] [2020-07-07 10:53:41,457 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 10:53:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,733 INFO L264 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:53:41,764 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:53:41,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:41,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:53:41,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300301377] [2020-07-07 10:53:41,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:53:41,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:41,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:53:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:53:41,955 INFO L87 Difference]: Start difference. First operand 2113 states and 2574 transitions. Second operand 20 states. [2020-07-07 10:53:42,702 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:43,057 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:43,324 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:43,594 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:44,372 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:44,679 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:45,051 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:45,350 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:46,927 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:47,778 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:48,265 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:48,584 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:49,184 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:49,594 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:50,386 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:50,883 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:51,756 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:52,511 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:53,263 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:53,823 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:54,075 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:54,340 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:54,596 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:55,000 INFO L93 Difference]: Finished difference Result 4747 states and 5914 transitions. [2020-07-07 10:53:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-07 10:53:55,006 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 195 [2020-07-07 10:53:55,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:55,021 INFO L225 Difference]: With dead ends: 4747 [2020-07-07 10:53:55,021 INFO L226 Difference]: Without dead ends: 2662 [2020-07-07 10:53:55,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-07 10:53:55,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2020-07-07 10:53:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2381. [2020-07-07 10:53:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2381 states. [2020-07-07 10:53:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2812 transitions. [2020-07-07 10:53:55,623 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2812 transitions. Word has length 195 [2020-07-07 10:53:55,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:55,625 INFO L479 AbstractCegarLoop]: Abstraction has 2381 states and 2812 transitions. [2020-07-07 10:53:55,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:53:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2812 transitions. [2020-07-07 10:53:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-07-07 10:53:55,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:55,638 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:55,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:53:55,853 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash 905718191, now seen corresponding path program 1 times [2020-07-07 10:53:55,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:55,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635661509] [2020-07-07 10:53:55,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,299 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 7 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-07-07 10:53:56,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635661509] [2020-07-07 10:53:56,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080117954] [2020-07-07 10:53:56,942 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 10:53:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:57,252 INFO L264 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:53:57,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-07-07 10:53:57,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:57,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-07 10:53:57,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702084472] [2020-07-07 10:53:57,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:53:57,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:57,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:53:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:57,902 INFO L87 Difference]: Start difference. First operand 2381 states and 2812 transitions. Second operand 24 states. [2020-07-07 10:53:59,642 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:00,566 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:00,957 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:01,514 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:02,448 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:02,812 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:03,123 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:03,417 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:03,698 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:04,045 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:04,337 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:04,662 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:04,969 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:05,251 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:05,530 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:05,860 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:06,255 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:06,580 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:06,963 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:07,306 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:08,758 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:09,334 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:09,749 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:10,186 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:54:10,661 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:54:11,031 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:11,366 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:54:11,747 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:12,256 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:12,701 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:14,863 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:15,183 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:15,472 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:15,777 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:16,065 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:16,605 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-07-07 10:54:16,906 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:17,208 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:17,578 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:17,900 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 10:54:24,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:24,729 INFO L93 Difference]: Finished difference Result 9600 states and 13457 transitions. [2020-07-07 10:54:24,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-07-07 10:54:24,730 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 335 [2020-07-07 10:54:24,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:24,775 INFO L225 Difference]: With dead ends: 9600 [2020-07-07 10:54:24,776 INFO L226 Difference]: Without dead ends: 7255 [2020-07-07 10:54:24,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4890 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=1934, Invalid=11872, Unknown=0, NotChecked=0, Total=13806 [2020-07-07 10:54:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7255 states. [2020-07-07 10:54:25,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7255 to 4995. [2020-07-07 10:54:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4995 states. [2020-07-07 10:54:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 5768 transitions. [2020-07-07 10:54:25,899 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 5768 transitions. Word has length 335 [2020-07-07 10:54:25,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:25,900 INFO L479 AbstractCegarLoop]: Abstraction has 4995 states and 5768 transitions. [2020-07-07 10:54:25,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:54:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5768 transitions. [2020-07-07 10:54:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-07 10:54:25,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:25,919 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:54:26,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:54:26,135 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:26,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:26,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1265210463, now seen corresponding path program 1 times [2020-07-07 10:54:26,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:26,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902777546] [2020-07-07 10:54:26,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,565 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-07-07 10:54:26,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902777546] [2020-07-07 10:54:26,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284438837] [2020-07-07 10:54:26,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:27,301 INFO L264 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-07 10:54:27,311 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-07 10:54:27,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:27,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-07 10:54:27,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888549640] [2020-07-07 10:54:27,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 10:54:27,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:27,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 10:54:27,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:54:27,565 INFO L87 Difference]: Start difference. First operand 4995 states and 5768 transitions. Second operand 23 states. [2020-07-07 10:54:28,466 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:29,130 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:29,625 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:30,118 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:31,189 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:33,084 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:33,581 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:34,010 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:34,890 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:36,233 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:36,565 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:37,999 INFO L93 Difference]: Finished difference Result 11043 states and 13589 transitions. [2020-07-07 10:54:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:54:38,000 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 351 [2020-07-07 10:54:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:38,036 INFO L225 Difference]: With dead ends: 11043 [2020-07-07 10:54:38,036 INFO L226 Difference]: Without dead ends: 6112 [2020-07-07 10:54:38,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:54:38,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2020-07-07 10:54:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 4999. [2020-07-07 10:54:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-07-07 10:54:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 5756 transitions. [2020-07-07 10:54:38,911 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 5756 transitions. Word has length 351 [2020-07-07 10:54:38,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:38,912 INFO L479 AbstractCegarLoop]: Abstraction has 4999 states and 5756 transitions. [2020-07-07 10:54:38,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 10:54:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 5756 transitions. [2020-07-07 10:54:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-07-07 10:54:38,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:38,931 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:54:39,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:54:39,146 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:39,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:39,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1607737082, now seen corresponding path program 1 times [2020-07-07 10:54:39,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:39,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877096107] [2020-07-07 10:54:39,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,485 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-07-07 10:54:40,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877096107] [2020-07-07 10:54:40,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076419079] [2020-07-07 10:54:40,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:40,503 INFO L264 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:54:40,513 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 206 proven. 16 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-07-07 10:54:40,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:40,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8] total 25 [2020-07-07 10:54:40,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321079474] [2020-07-07 10:54:40,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 10:54:40,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:40,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 10:54:40,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:54:40,769 INFO L87 Difference]: Start difference. First operand 4999 states and 5756 transitions. Second operand 25 states. [2020-07-07 10:54:41,456 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:41,824 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:42,108 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:42,379 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:43,157 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:43,555 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:54:44,151 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:46,782 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:47,273 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:47,642 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:47,998 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:48,380 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:48,700 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:49,355 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:54:49,880 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:54:51,564 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:51,883 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:52,169 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:54:52,465 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:52,796 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:53,082 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:55,456 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:54:55,778 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:56,078 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:56,353 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:58,090 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:55:00,369 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:55:01,018 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:55:01,521 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:55:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:55:08,648 INFO L93 Difference]: Finished difference Result 14890 states and 19561 transitions. [2020-07-07 10:55:08,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2020-07-07 10:55:08,649 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 352 [2020-07-07 10:55:08,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:55:08,698 INFO L225 Difference]: With dead ends: 14890 [2020-07-07 10:55:08,699 INFO L226 Difference]: Without dead ends: 9668 [2020-07-07 10:55:08,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 517 SyntacticMatches, 4 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5908 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=2601, Invalid=13911, Unknown=0, NotChecked=0, Total=16512 [2020-07-07 10:55:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9668 states. [2020-07-07 10:55:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9668 to 6221. [2020-07-07 10:55:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6221 states. [2020-07-07 10:55:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6221 states to 6221 states and 7117 transitions. [2020-07-07 10:55:09,754 INFO L78 Accepts]: Start accepts. Automaton has 6221 states and 7117 transitions. Word has length 352 [2020-07-07 10:55:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:55:09,755 INFO L479 AbstractCegarLoop]: Abstraction has 6221 states and 7117 transitions. [2020-07-07 10:55:09,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 10:55:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6221 states and 7117 transitions. [2020-07-07 10:55:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-07-07 10:55:09,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:55:09,776 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:55:09,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:55:09,990 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:55:09,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:55:09,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1169842914, now seen corresponding path program 1 times [2020-07-07 10:55:09,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:55:09,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309686930] [2020-07-07 10:55:09,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:55:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,313 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:55:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2020-07-07 10:55:10,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309686930] [2020-07-07 10:55:10,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156899872] [2020-07-07 10:55:10,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:55:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:10,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:55:10,902 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:55:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-07-07 10:55:11,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:55:11,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-07 10:55:11,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438845880] [2020-07-07 10:55:11,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:55:11,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:55:11,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:55:11,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:55:11,110 INFO L87 Difference]: Start difference. First operand 6221 states and 7117 transitions. Second operand 3 states. [2020-07-07 10:55:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:55:11,778 INFO L93 Difference]: Finished difference Result 10126 states and 11610 transitions. [2020-07-07 10:55:11,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:55:11,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 403 [2020-07-07 10:55:11,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:55:11,795 INFO L225 Difference]: With dead ends: 10126 [2020-07-07 10:55:11,795 INFO L226 Difference]: Without dead ends: 3969 [2020-07-07 10:55:11,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:55:11,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2020-07-07 10:55:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3899. [2020-07-07 10:55:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3899 states. [2020-07-07 10:55:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 4396 transitions. [2020-07-07 10:55:13,005 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 4396 transitions. Word has length 403 [2020-07-07 10:55:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:55:13,006 INFO L479 AbstractCegarLoop]: Abstraction has 3899 states and 4396 transitions. [2020-07-07 10:55:13,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:55:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 4396 transitions. [2020-07-07 10:55:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-07-07 10:55:13,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:55:13,015 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:55:13,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:55:13,221 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:55:13,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:55:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash 637778495, now seen corresponding path program 1 times [2020-07-07 10:55:13,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:55:13,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141658593] [2020-07-07 10:55:13,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:55:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,548 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:55:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 118 proven. 53 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-07-07 10:55:14,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141658593] [2020-07-07 10:55:14,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511533693] [2020-07-07 10:55:14,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:55:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:55:14,393 INFO L264 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:55:14,404 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:55:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 233 proven. 50 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-07-07 10:55:14,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:55:14,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 29 [2020-07-07 10:55:14,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789956795] [2020-07-07 10:55:14,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-07-07 10:55:14,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:55:14,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-07-07 10:55:14,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2020-07-07 10:55:14,779 INFO L87 Difference]: Start difference. First operand 3899 states and 4396 transitions. Second operand 29 states. [2020-07-07 10:55:15,716 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:55:16,780 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:55:18,251 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:55:18,544 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:55:20,207 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:55:20,590 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:55:20,985 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:55:23,834 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:55:24,417 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:55:24,943 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:55:25,470 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:55:28,691 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 10:55:30,907 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:55:32,178 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:55:32,912 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:55:33,455 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:55:38,338 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:55:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:55:50,679 INFO L93 Difference]: Finished difference Result 19395 states and 27567 transitions. [2020-07-07 10:55:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2020-07-07 10:55:50,679 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 406 [2020-07-07 10:55:50,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:55:50,685 INFO L225 Difference]: With dead ends: 19395 [2020-07-07 10:55:50,685 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:55:50,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 647 SyntacticMatches, 7 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13244 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=5478, Invalid=27464, Unknown=0, NotChecked=0, Total=32942 [2020-07-07 10:55:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:55:50,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:55:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:55:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:55:50,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 406 [2020-07-07 10:55:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:55:50,746 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:55:50,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-07-07 10:55:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:55:50,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:55:50,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:55:50,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:55:51,384 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-07-07 10:55:51,678 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-07-07 10:55:53,461 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-07-07 10:56:01,646 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-07-07 10:56:03,958 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:04,138 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 10:56:04,255 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 10:56:05,120 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:05,456 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:06,554 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 10:56:06,710 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-07-07 10:56:09,027 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-07-07 10:56:09,479 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:10,126 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:10,403 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:10,952 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-07-07 10:56:11,092 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 233 [2020-07-07 10:56:11,477 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-07-07 10:56:11,758 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:12,110 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 232 [2020-07-07 10:56:12,550 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:14,127 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-07 10:56:15,032 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:16,139 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:16,684 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-07-07 10:56:17,488 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:17,594 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:17,935 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:18,057 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:18,176 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:18,595 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-07-07 10:56:18,958 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:19,849 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 10:56:20,314 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:20,420 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:20,525 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:20,889 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:21,198 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:22,413 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:22,603 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:22,811 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:22,918 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-07-07 10:56:23,620 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-07-07 10:56:24,185 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-07-07 10:56:24,433 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:56:24,606 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 231 [2020-07-07 10:57:13,331 WARN L193 SmtUtils]: Spent 46.22 s on a formula simplification. DAG size of input: 2023 DAG size of output: 1523 [2020-07-07 10:57:15,132 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-07 10:57:18,947 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-07-07 10:58:18,676 WARN L193 SmtUtils]: Spent 15.96 s on a formula simplification. DAG size of input: 1200 DAG size of output: 913 [2020-07-07 10:59:07,219 WARN L193 SmtUtils]: Spent 31.09 s on a formula simplification. DAG size of input: 1722 DAG size of output: 1310 [2020-07-07 10:59:31,977 WARN L193 SmtUtils]: Spent 21.08 s on a formula simplification. DAG size of input: 1383 DAG size of output: 1080 [2020-07-07 10:59:57,623 WARN L193 SmtUtils]: Spent 24.87 s on a formula simplification. DAG size of input: 1509 DAG size of output: 1171 [2020-07-07 11:00:09,114 WARN L193 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 1424 DAG size of output: 846 [2020-07-07 11:00:13,935 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:15,134 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:18,747 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:19,432 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:20,872 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:21,897 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:23,984 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:26,266 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:26,375 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:26,528 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:26,662 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:27,436 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:28,952 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:29,159 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:29,288 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:29,721 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:30,874 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:31,025 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:31,162 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:31,295 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 229 [2020-07-07 11:00:32,135 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 228 [2020-07-07 11:00:38,228 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 280 DAG size of output: 48 [2020-07-07 11:00:38,767 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-07-07 11:00:39,181 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 11:00:39,582 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 11:00:41,448 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 266 DAG size of output: 46 [2020-07-07 11:00:45,365 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 324 DAG size of output: 64 [2020-07-07 11:00:45,580 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 1 [2020-07-07 11:00:47,319 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 239 DAG size of output: 43 [2020-07-07 11:00:47,721 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 1 [2020-07-07 11:00:50,732 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 415 DAG size of output: 37 [2020-07-07 11:00:51,818 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 248 DAG size of output: 32 [2020-07-07 11:00:52,053 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 11:01:25,847 WARN L193 SmtUtils]: Spent 33.78 s on a formula simplification. DAG size of input: 1402 DAG size of output: 51 [2020-07-07 11:01:26,066 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 11:01:26,804 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2020-07-07 11:01:27,911 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 248 DAG size of output: 32 [2020-07-07 11:01:28,290 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 1 [2020-07-07 11:01:33,985 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 487 DAG size of output: 55 [2020-07-07 11:01:36,074 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 471 DAG size of output: 1 [2020-07-07 11:01:39,696 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 412 DAG size of output: 46 [2020-07-07 11:01:41,719 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 248 DAG size of output: 36 [2020-07-07 11:01:42,346 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-07 11:01:45,745 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 332 DAG size of output: 42 [2020-07-07 11:01:57,087 WARN L193 SmtUtils]: Spent 11.33 s on a formula simplification. DAG size of input: 817 DAG size of output: 52 [2020-07-07 11:02:02,171 WARN L193 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 474 DAG size of output: 43 [2020-07-07 11:02:02,358 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 11:02:03,950 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 272 DAG size of output: 52 [2020-07-07 11:02:05,704 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 266 DAG size of output: 46 [2020-07-07 11:02:08,730 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 280 DAG size of output: 48 [2020-07-07 11:02:11,013 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 272 DAG size of output: 66 [2020-07-07 11:02:12,581 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 250 DAG size of output: 41 [2020-07-07 11:02:15,558 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 280 DAG size of output: 48 [2020-07-07 11:02:15,737 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 11:02:17,231 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 271 DAG size of output: 26 [2020-07-07 11:02:17,425 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 11:02:17,621 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 11:02:19,374 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 256 DAG size of output: 44 [2020-07-07 11:02:19,571 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 11:02:19,783 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 11:02:20,432 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-07 11:02:23,161 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 381 DAG size of output: 41 [2020-07-07 11:02:23,494 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 1 [2020-07-07 11:02:49,935 WARN L193 SmtUtils]: Spent 26.43 s on a formula simplification. DAG size of input: 1173 DAG size of output: 52 [2020-07-07 11:02:51,922 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 248 DAG size of output: 36 [2020-07-07 11:02:52,118 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-07 11:02:54,604 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 305 DAG size of output: 51 [2020-07-07 11:02:55,012 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-07-07 11:02:55,438 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 11:02:55,859 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 11:02:56,066 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 11:02:56,261 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 11:03:14,065 WARN L193 SmtUtils]: Spent 17.79 s on a formula simplification. DAG size of input: 977 DAG size of output: 56 [2020-07-07 11:03:14,262 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 11:03:16,333 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 255 DAG size of output: 42 [2020-07-07 11:03:37,980 WARN L193 SmtUtils]: Spent 21.63 s on a formula simplification. DAG size of input: 1065 DAG size of output: 49 [2020-07-07 11:03:39,825 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 254 DAG size of output: 32 [2020-07-07 11:03:41,920 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 248 DAG size of output: 36 [2020-07-07 11:03:42,129 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 11:03:50,401 WARN L193 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 764 DAG size of output: 42 [2020-07-07 11:03:50,640 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 11:03:52,525 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 266 DAG size of output: 46 [2020-07-07 11:03:56,405 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 448 DAG size of output: 44 [2020-07-07 11:03:56,621 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 11:03:56,627 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-07 11:03:56,627 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-07 11:03:56,627 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-07 11:03:56,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-07 11:03:56,628 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-07 11:03:56,629 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-07 11:03:56,629 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-07 11:03:56,629 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-07 11:03:56,629 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-07 11:03:56,630 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-07 11:03:56,630 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-07 11:03:56,630 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-07 11:03:56,630 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-07 11:03:56,630 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-07 11:03:56,631 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-07 11:03:56,631 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-07 11:03:56,631 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-07 11:03:56,631 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-07 11:03:56,631 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 11:03:56,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-07 11:03:56,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-07 11:03:56,632 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 .cse5) (or .cse0 .cse8 .cse1 .cse3 .cse7) (or .cse6 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4 .cse5) (or .cse6 .cse0 .cse8 .cse3 .cse7) (or .cse0 .cse1 .cse3 (not (<= 2 ~waterLevel~0)) .cse4 .cse5) (or .cse6 .cse0 (not (< 1 ~waterLevel~0)) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse7 .cse5))) [2020-07-07 11:03:56,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-07 11:03:56,632 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-07 11:03:56,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-07 11:03:56,632 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-07 11:03:56,633 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse5 .cse3) (or .cse1 .cse6 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse6 .cse4 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse2) (or .cse6 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse1 .cse7 .cse2) (or .cse1 .cse6 (not (<= 2 ~waterLevel~0)) .cse5 .cse3))) [2020-07-07 11:03:56,633 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-07 11:03:56,633 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-07 11:03:56,633 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-07 11:03:56,634 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse9 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse10 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse3) (or .cse6 (not (= 2 ~waterLevel~0)) .cse7 .cse3) (or .cse5 .cse7 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse5 .cse0 .cse8 .cse3 .cse4) (or .cse5 (not (= 1 ~waterLevel~0)) .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse2 .cse3) (or .cse1 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse9 .cse8 .cse10 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse3) (or .cse5 .cse7 .cse9 .cse8 .cse10 .cse4) (or .cse1 .cse7 .cse2 .cse10 .cse4))) [2020-07-07 11:03:56,634 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-07 11:03:56,634 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-07 11:03:56,634 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-07 11:03:56,634 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-07 11:03:56,634 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-07 11:03:56,634 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) 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)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 11:03:56,635 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-07 11:03:56,635 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 11:03:56,635 INFO L264 CegarLoopResult]: At program point L632-1(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 11:03:56,635 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-07 11:03:56,635 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-07 11:03:56,635 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-07 11:03:56,635 INFO L264 CegarLoopResult]: At program point L627(line 627) 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)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 11:03:56,636 INFO L264 CegarLoopResult]: At program point L626(line 626) 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)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 11:03:56,636 INFO L264 CegarLoopResult]: At program point L626-1(line 626) 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)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-07 11:03:56,636 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:03:56,637 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-07 11:03:56,638 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-07 11:03:56,638 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:03:56,638 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-07 11:03:56,638 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse8 .cse3) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse3))) [2020-07-07 11:03:56,638 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse8 .cse3) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse3))) [2020-07-07 11:03:56,638 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-07 11:03:56,639 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse5) (or .cse8 .cse9 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5))) [2020-07-07 11:03:56,639 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-07 11:03:56,639 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-07 11:03:56,639 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse5) (or .cse10 .cse8 .cse11 .cse3 .cse9 .cse5) (or .cse8 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse8 .cse9 (not (<= ~waterLevel~0 1)) .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse10 .cse8 .cse11 .cse9 .cse5))) [2020-07-07 11:03:56,639 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-07 11:03:56,639 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse11 (not (<= ~waterLevel~0 0))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse8 .cse9 .cse10 .cse4) (or .cse8 .cse9 .cse2 .cse11 .cse4) (or .cse1 .cse2 .cse3 .cse11 .cse4) (or .cse7 .cse1 .cse3 .cse10 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse4))) [2020-07-07 11:03:56,640 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-07 11:03:56,640 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (< 1 ~waterLevel~0))) (.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse8 .cse5) (or .cse7 .cse2 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse5))) [2020-07-07 11:03:56,640 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse10 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse10 (= 0 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (< 1 ~waterLevel~0))) (.cse0 (and .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse8) (or .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse9 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse9 .cse4 .cse5)))) [2020-07-07 11:03:56,640 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-07 11:03:56,640 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-07 11:03:56,640 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-07 11:03:56,640 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-07 11:03:56,641 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-07 11:03:56,641 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-07 11:03:56,641 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-07 11:03:56,642 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-07 11:03:56,643 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) 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)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 11:03:56,644 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-07 11:03:56,644 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 11:03:56,645 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-07 11:03:56,645 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-07 11:03:56,645 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-07 11:03:56,645 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-07 11:03:56,645 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-07 11:03:56,645 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (< 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse2 .cse6 .cse4) (or .cse2 .cse1 .cse3 .cse6 .cse4 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7))) [2020-07-07 11:03:56,645 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-07 11:03:56,646 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-07 11:03:56,646 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-07 11:03:56,646 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-07 11:03:56,646 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-07 11:03:56,646 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-07 11:03:56,646 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse11 (not (<= ~waterLevel~0 0))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse8 .cse9 .cse10 .cse4) (or .cse8 .cse9 .cse2 .cse11 .cse4) (or .cse1 .cse2 .cse3 .cse11 .cse4) (or .cse7 .cse1 .cse3 .cse10 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse4))) [2020-07-07 11:03:56,646 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-07 11:03:56,647 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0))) (let ((.cse1 (and (< 0 (+ processEnvironment_~tmp~4 1)) .cse8 .cse9)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 .cse1 (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or (and .cse8 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse9) .cse2 .cse3 .cse7 (not (<= ~waterLevel~0 1)) .cse4)))) [2020-07-07 11:03:56,647 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-07 11:03:56,647 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse5) (or .cse10 .cse8 .cse11 .cse3 .cse9 .cse5) (or .cse8 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse8 .cse9 (not (<= ~waterLevel~0 1)) .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse10 .cse8 .cse11 .cse9 .cse5))) [2020-07-07 11:03:56,647 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (and (< 0 (+ processEnvironment_~tmp~4 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse0 .cse7 .cse8 .cse5) (or .cse2 .cse3 .cse9 .cse4 .cse5) (or .cse7 .cse8 .cse9 .cse5) (or .cse6 .cse2 .cse3 .cse9 .cse5))) [2020-07-07 11:03:56,648 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-07 11:03:56,648 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse5) (or .cse8 .cse9 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5))) [2020-07-07 11:03:56,648 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-07 11:03:56,648 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-07 11:03:56,648 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-07 11:03:56,648 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-07 11:03:56,648 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-07 11:03:56,648 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 11:03:56,649 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-07 11:03:56,649 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 0 ~systemActive~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse4 (= 2 ~waterLevel~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse3 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse10 .cse0 .cse3 .cse4 .cse7) (and .cse5 .cse10 .cse0 .cse6 .cse7 .cse8) (and .cse0 .cse10 .cse2 .cse9 .cse3) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse7 .cse8) (not (= 1 |old(~systemActive~0)|)) (and .cse10 .cse0 .cse3 .cse6 .cse7) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 11:03:56,649 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse4) (and .cse2 .cse1 .cse8 .cse7 .cse3) (and .cse2 .cse9 .cse6 .cse7 .cse4) (and .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse10 .cse4 .cse5) (and .cse0 .cse2 .cse9 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse8 .cse7 .cse10) (and .cse2 .cse9 .cse8 .cse6 .cse7))) [2020-07-07 11:03:56,649 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-07 11:03:56,649 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-07 11:03:56,649 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-07 11:03:56,649 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-07 11:03:56,650 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) 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 11:03:56,650 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse9 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse5 .cse3 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse6) (and .cse8 .cse0 .cse9 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse5 .cse3 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse8 .cse0 .cse5 .cse9 .cse7))) [2020-07-07 11:03:56,650 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-07 11:03:56,650 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3) (and .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse2 .cse8 .cse9 .cse5 .cse3 .cse4) (and .cse2 .cse9 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse8 .cse5 .cse3 .cse4) (and .cse2 .cse9 .cse7 .cse5 .cse6) (and .cse0 .cse2 .cse9 .cse5 .cse3 .cse4))) [2020-07-07 11:03:56,651 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-07 11:03:56,651 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 (< 1 ~waterLevel~0) .cse2 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse6 .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) (and .cse6 .cse0 .cse3 .cse7) (and .cse0 .cse1 .cse7 .cse5) (and .cse4 .cse6 .cse0 .cse2 .cse5))) [2020-07-07 11:03:56,651 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-07 11:03:56,651 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-07 11:03:56,651 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3) (and .cse2 .cse7 (= 2 ~waterLevel~0) .cse3 .cse4) (and .cse2 .cse1 .cse8 .cse5 .cse6) (and .cse2 .cse7 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) .cse5 .cse3 .cse4) (and .cse2 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse5 .cse3 .cse4))) [2020-07-07 11:03:56,651 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-07 11:03:56,651 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-07 11:03:56,652 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-07 11:03:56,653 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-07 11:03:56,654 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-07 11:03:56,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,656 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~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 11:03:56,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,656 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-07 11:03:56,656 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 11:03:56,656 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 11:03:56,657 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-07 11:03:56,657 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-07 11:03:56,658 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-07 11:03:56,658 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-07 11:03:56,658 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-07 11:03:56,658 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-07 11:03:56,658 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-07 11:03:56,658 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: (let ((.cse2 (not (< 1 ~waterLevel~0))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse0 .cse6 .cse7 .cse4) (or .cse1 .cse0 .cse7 .cse4 .cse5) (or .cse8 .cse1 .cse2 .cse9 .cse3 .cse5) (or .cse8 .cse1 .cse9 .cse7 .cse5) (or .cse8 .cse1 .cse6 .cse9 .cse7) (or .cse0 .cse1 .cse9 .cse10 .cse3 .cse5) (or .cse0 .cse10 (not (<= ~waterLevel~0 1)) .cse3 .cse4 .cse5))) [2020-07-07 11:03:56,658 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-07 11:03:56,659 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-07 11:03:56,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,659 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse20 (= 1 ~waterLevel~0)) (.cse21 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse22 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse25 (<= ~waterLevel~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= 0 ~pumpRunning~0)) (.cse19 (<= 1 ~switchedOnBeforeTS~0)) (.cse23 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse24 (= 0 ~waterLevel~0))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and .cse18 .cse19 .cse23 .cse24)) (.cse3 (and .cse25 .cse18 .cse19 .cse14)) (.cse5 (and .cse21 .cse22 .cse25 .cse14)) (.cse7 (and .cse21 .cse22 .cse23 .cse24)) (.cse9 (and .cse18 .cse14)) (.cse10 (not (= 0 ~systemActive~0))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (< 1 |old(~waterLevel~0)|))) (.cse16 (and .cse21 .cse22 .cse20)) (.cse17 (and .cse18 .cse19 .cse20)) (.cse8 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse12 .cse13) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse12 .cse7 .cse8) (or .cse9 .cse4 .cse11 .cse13 .cse8) (or .cse9 (and (< 1 ~waterLevel~0) .cse14 (<= 1 ~pumpRunning~0)) .cse11 .cse12 .cse13 .cse8) (or .cse9 .cse4 .cse10 .cse11 .cse13) (or .cse6 .cse12 .cse13 .cse15 .cse16 .cse17 .cse8) (or .cse4 .cse6 .cse13 .cse15 .cse16 .cse17 .cse8)))) [2020-07-07 11:03:56,660 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse6 .cse2 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse7 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse6 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse4) (or .cse0 .cse8 .cse5 .cse2) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse5 .cse6 .cse2))) [2020-07-07 11:03:56,660 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-07 11:03:56,660 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-07 11:03:56,660 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 .cse11 .cse12)) (.cse5 (and (= 0 ~pumpRunning~0) .cse11 .cse12)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse5 .cse6 .cse7 .cse9 .cse8) (or .cse2 .cse9 (and (< 1 ~waterLevel~0) .cse10 (<= ~waterLevel~0 2) .cse11) .cse8 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse1 .cse5 .cse7 .cse8 .cse4) (or .cse0 .cse2 .cse3 .cse9 .cse8 .cse4) (or .cse1 .cse2 .cse3 .cse8 (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse7 .cse9 .cse8 .cse4)))) [2020-07-07 11:03:56,660 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-07 11:03:56,660 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-07 11:03:56,661 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse17 (+ ~waterLevel~0 1))) (let ((.cse15 (<= .cse17 |old(~waterLevel~0)|)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse16 (= 0 ~methaneLevelCritical~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= ~waterLevel~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse14)) (.cse6 (and .cse11 .cse16 .cse12 .cse13 .cse14 (<= 1 ~pumpRunning~0))) (.cse8 (and .cse11 .cse12 (<= |old(~waterLevel~0)| .cse17) .cse15)) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not .cse16)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (not (<= |old(~waterLevel~0)| 0)) .cse2 .cse4) (or .cse7 .cse8 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse9 .cse10 .cse1 .cse3) (or .cse0 .cse9 .cse1 .cse3 .cse4) (or .cse9 .cse7 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse11 .cse12 (= 1 ~waterLevel~0)) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse9 (and .cse11 .cse12 .cse13 .cse14) .cse7 (and .cse11 .cse12 .cse15 (= 0 ~waterLevel~0)) .cse4) (or .cse10 .cse1 .cse2 .cse3))))) [2020-07-07 11:03:56,661 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-07 11:03:56,661 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-07 11:03:56,661 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-07 11:03:56,661 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:03:56,661 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-07 11:03:56,661 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-07 11:03:56,661 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:03:56,661 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-07 11:03:56,661 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-07 11:03:56,662 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-07 11:03:56,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,663 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 11:03:56,663 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:03:56,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:03:56,663 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-07 11:03:56,663 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: (let ((.cse3 (not (< 1 ~waterLevel~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse7 .cse8 .cse4) (or .cse1 .cse5 .cse7 .cse8 .cse4))) [2020-07-07 11:03:56,663 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-07 11:03:56,664 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse5) (or .cse10 .cse8 .cse11 .cse3 .cse9 .cse5) (or .cse8 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse8 .cse9 (not (<= ~waterLevel~0 1)) .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse10 .cse8 .cse11 .cse9 .cse5))) [2020-07-07 11:03:56,664 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 ~waterLevel~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse8 .cse9 .cse2 .cse3) (or .cse8 .cse9 .cse1 (not (<= ~waterLevel~0 0)) .cse3) (or .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse4 .cse0 .cse5 .cse6 .cse3) (or (not (= 1 ~waterLevel~0)) .cse8 .cse9 .cse1 .cse3))) [2020-07-07 11:03:56,664 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-07 11:03:56,664 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-07 11:03:56,664 INFO L264 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (let ((.cse11 (not (<= ~waterLevel~0 0))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse8 .cse9 .cse10 .cse4) (or .cse8 .cse9 .cse2 .cse11 .cse4) (or .cse1 .cse2 .cse3 .cse11 .cse4) (or .cse7 .cse1 .cse3 .cse10 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse4))) [2020-07-07 11:03:56,665 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-07 11:03:56,665 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-07 11:03:56,665 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse5) (or .cse8 .cse9 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5))) [2020-07-07 11:03:56,665 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-07 11:03:56,665 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (not (<= ~waterLevel~0 1)) .cse4) (or .cse6 .cse7 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or (not (= 1 ~waterLevel~0)) .cse6 .cse7 .cse3 .cse4))) [2020-07-07 11:03:56,665 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-07 11:03:56,665 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-07 11:03:56,666 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse6 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse5) (or .cse1 .cse6 .cse3 .cse7 .cse5) (or .cse8 .cse6 .cse3 .cse7 .cse5) (or .cse9 .cse1 .cse6 .cse3 .cse7) (or .cse0 .cse8 .cse3 .cse2 .cse4 .cse5) (or .cse8 .cse9 .cse6 .cse3 .cse7))) [2020-07-07 11:03:56,666 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-07 11:03:56,666 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-07 11:03:56,666 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-07 11:03:56,666 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-07 11:03:56,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:03:56 BoogieIcfgContainer [2020-07-07 11:03:56,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:03:56,689 INFO L168 Benchmark]: Toolchain (without parser) took 652909.90 ms. Allocated memory was 147.8 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 104.5 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,689 INFO L168 Benchmark]: CDTParser took 1.75 ms. Allocated memory is still 147.8 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.30 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 104.2 MB in the beginning and 172.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,690 INFO L168 Benchmark]: Boogie Preprocessor took 101.53 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,690 INFO L168 Benchmark]: RCFGBuilder took 1218.23 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 168.1 MB in the beginning and 184.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,691 INFO L168 Benchmark]: TraceAbstraction took 650862.39 ms. Allocated memory was 233.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 183.0 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-07-07 11:03:56,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75 ms. Allocated memory is still 147.8 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.30 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 104.2 MB in the beginning and 172.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.53 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1218.23 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 168.1 MB in the beginning and 184.3 MB in the end (delta: -16.2 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 650862.39 ms. Allocated memory was 233.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 183.0 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && 2 == waterLevel) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 0 == methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || ((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(systemActive))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 165.0s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 144.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 485.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3512 SDtfs, 13033 SDslu, 8909 SDs, 0 SdLazy, 52606 SolverSat, 14678 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3879 GetRequests, 3205 SyntacticMatches, 12 SemanticMatches, 662 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26326 ImplicationChecksByTransitivity, 61.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6221occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 8092 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 20306 PreInvPairs, 27149 NumberOfFragments, 6352 HoareAnnotationTreeSize, 20306 FomulaSimplifications, 115081943699 FormulaSimplificationTreeSizeReduction, 283.8s HoareSimplificationTime, 77 FomulaSimplificationsInter, 424266330 FormulaSimplificationTreeSizeReductionInter, 200.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 4794 NumberOfCodeBlocks, 4794 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4774 ConstructedInterpolants, 0 QuantifiedInterpolants, 3033226 SizeOfPredicates, 24 NumberOfNonLiveVariables, 8348 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 4270/4500 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...