/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:29:54,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:29:54,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:29:54,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:29:54,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:29:54,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:29:54,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:29:54,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:29:54,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:29:54,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:29:54,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:29:54,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:29:54,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:29:54,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:29:54,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:29:54,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:29:54,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:29:54,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:29:54,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:29:54,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:29:54,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:29:54,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:29:54,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:29:54,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:29:54,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:29:54,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:29:54,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:29:54,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:29:54,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:29:54,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:29:54,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:29:54,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:29:54,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:29:54,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:29:54,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:29:54,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:29:54,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:29:54,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:29:54,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:29:54,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:29:54,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:29:54,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:29:54,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:29:54,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:29:54,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:29:54,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:29:54,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:29:54,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:29:54,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:29:54,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:29:54,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:29:54,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:29:54,490 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:29:54,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:29:54,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:29:54,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:29:54,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:29:54,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:29:54,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:29:54,491 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:29:54,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:29:54,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:29:54,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:29:54,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:29:54,769 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:29:54,770 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-07-17 16:29:54,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3769f28f/e236066f6f524e0898d41cc1561c895d/FLAGb62c09a5f [2020-07-17 16:29:55,324 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:29:55,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-07-17 16:29:55,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3769f28f/e236066f6f524e0898d41cc1561c895d/FLAGb62c09a5f [2020-07-17 16:29:55,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3769f28f/e236066f6f524e0898d41cc1561c895d [2020-07-17 16:29:55,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:29:55,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:29:55,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:55,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:29:55,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:29:55,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:55" (1/1) ... [2020-07-17 16:29:55,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2345d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:55, skipping insertion in model container [2020-07-17 16:29:55,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:55" (1/1) ... [2020-07-17 16:29:55,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:29:55,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:29:56,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:56,183 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:29:56,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:56,308 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:29:56,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56 WrapperNode [2020-07-17 16:29:56,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:56,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:29:56,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:29:56,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:29:56,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (1/1) ... [2020-07-17 16:29:56,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:29:56,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:29:56,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:29:56,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:29:56,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (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 [2020-07-17 16:29:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:29:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:29:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:29:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:29:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:29:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:29:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:29:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:29:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:29:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:29:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:29:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:29:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:29:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:29:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:29:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:29:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:29:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:29:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:29:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:29:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:29:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:29:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:29:57,550 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:29:57,550 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:29:57,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:57 BoogieIcfgContainer [2020-07-17 16:29:57,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:29:57,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:29:57,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:29:57,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:29:57,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:29:55" (1/3) ... [2020-07-17 16:29:57,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1ea9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:57, skipping insertion in model container [2020-07-17 16:29:57,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:56" (2/3) ... [2020-07-17 16:29:57,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1ea9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:57, skipping insertion in model container [2020-07-17 16:29:57,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:57" (3/3) ... [2020-07-17 16:29:57,565 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-07-17 16:29:57,576 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:29:57,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:29:57,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:29:57,623 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:29:57,624 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:29:57,624 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:29:57,624 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:29:57,625 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:29:57,625 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:29:57,625 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:29:57,625 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:29:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-07-17 16:29:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-17 16:29:57,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:57,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:57,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:57,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1518186743, now seen corresponding path program 1 times [2020-07-17 16:29:57,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:57,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848381556] [2020-07-17 16:29:57,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,378 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:58,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848381556] [2020-07-17 16:29:58,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:58,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:29:58,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343078549] [2020-07-17 16:29:58,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:29:58,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:58,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:29:58,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:58,601 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-07-17 16:29:59,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:59,854 INFO L93 Difference]: Finished difference Result 468 states and 552 transitions. [2020-07-17 16:29:59,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 16:29:59,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-07-17 16:29:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:59,874 INFO L225 Difference]: With dead ends: 468 [2020-07-17 16:29:59,874 INFO L226 Difference]: Without dead ends: 300 [2020-07-17 16:29:59,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-07-17 16:30:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-07-17 16:30:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-17 16:30:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-07-17 16:30:00,015 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 148 [2020-07-17 16:30:00,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:00,016 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-07-17 16:30:00,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:30:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-07-17 16:30:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 16:30:00,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:00,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:00,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:30:00,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:00,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1991313851, now seen corresponding path program 1 times [2020-07-17 16:30:00,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:00,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023110004] [2020-07-17 16:30:00,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,386 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:00,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023110004] [2020-07-17 16:30:00,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:00,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:30:00,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120314270] [2020-07-17 16:30:00,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:30:00,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:00,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:30:00,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:30:00,511 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-07-17 16:30:01,117 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:02,012 INFO L93 Difference]: Finished difference Result 397 states and 447 transitions. [2020-07-17 16:30:02,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:30:02,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-17 16:30:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:02,018 INFO L225 Difference]: With dead ends: 397 [2020-07-17 16:30:02,022 INFO L226 Difference]: Without dead ends: 289 [2020-07-17 16:30:02,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:30:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-07-17 16:30:02,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-07-17 16:30:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-17 16:30:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-07-17 16:30:02,095 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 149 [2020-07-17 16:30:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:02,096 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-07-17 16:30:02,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:30:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-07-17 16:30:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-17 16:30:02,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:02,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:02,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:30:02,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:02,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:02,101 INFO L82 PathProgramCache]: Analyzing trace with hash 263225803, now seen corresponding path program 1 times [2020-07-17 16:30:02,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:02,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610213327] [2020-07-17 16:30:02,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,503 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:02,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610213327] [2020-07-17 16:30:02,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:02,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:30:02,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579940459] [2020-07-17 16:30:02,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:30:02,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:02,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:30:02,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:30:02,740 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 10 states. [2020-07-17 16:30:03,423 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:03,763 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:04,023 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:30:04,289 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:04,585 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:04,873 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:06,432 INFO L93 Difference]: Finished difference Result 417 states and 473 transitions. [2020-07-17 16:30:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:30:06,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-07-17 16:30:06,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:06,437 INFO L225 Difference]: With dead ends: 417 [2020-07-17 16:30:06,437 INFO L226 Difference]: Without dead ends: 289 [2020-07-17 16:30:06,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:30:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-07-17 16:30:06,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-07-17 16:30:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-17 16:30:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-07-17 16:30:06,514 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 158 [2020-07-17 16:30:06,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:06,515 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-07-17 16:30:06,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:30:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-07-17 16:30:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:30:06,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:06,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:06,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:30:06,519 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:06,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:06,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1554497374, now seen corresponding path program 1 times [2020-07-17 16:30:06,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:06,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754063404] [2020-07-17 16:30:06,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,796 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:06,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754063404] [2020-07-17 16:30:06,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:06,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 16:30:06,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74196200] [2020-07-17 16:30:06,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 16:30:06,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:06,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 16:30:06,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:30:06,978 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-07-17 16:30:07,688 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:09,408 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:10,107 INFO L93 Difference]: Finished difference Result 547 states and 628 transitions. [2020-07-17 16:30:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 16:30:10,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-07-17 16:30:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:10,112 INFO L225 Difference]: With dead ends: 547 [2020-07-17 16:30:10,112 INFO L226 Difference]: Without dead ends: 419 [2020-07-17 16:30:10,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:30:10,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-07-17 16:30:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 348. [2020-07-17 16:30:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-07-17 16:30:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 377 transitions. [2020-07-17 16:30:10,215 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 377 transitions. Word has length 166 [2020-07-17 16:30:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:10,216 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 377 transitions. [2020-07-17 16:30:10,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 16:30:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 377 transitions. [2020-07-17 16:30:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-17 16:30:10,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:10,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:10,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:30:10,220 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash 590655546, now seen corresponding path program 1 times [2020-07-17 16:30:10,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:10,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979012778] [2020-07-17 16:30:10,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,525 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:10,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979012778] [2020-07-17 16:30:10,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:10,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:30:10,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519046908] [2020-07-17 16:30:10,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:30:10,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:10,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:30:10,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:30:10,800 INFO L87 Difference]: Start difference. First operand 348 states and 377 transitions. Second operand 10 states. [2020-07-17 16:30:11,248 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:12,596 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:12,860 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:13,174 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:13,405 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:13,934 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:14,188 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:14,461 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:14,761 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:15,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:15,443 INFO L93 Difference]: Finished difference Result 878 states and 1025 transitions. [2020-07-17 16:30:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:30:15,444 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-07-17 16:30:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:15,449 INFO L225 Difference]: With dead ends: 878 [2020-07-17 16:30:15,449 INFO L226 Difference]: Without dead ends: 645 [2020-07-17 16:30:15,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:30:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-17 16:30:15,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 535. [2020-07-17 16:30:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-07-17 16:30:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 585 transitions. [2020-07-17 16:30:15,623 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 585 transitions. Word has length 190 [2020-07-17 16:30:15,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:15,624 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 585 transitions. [2020-07-17 16:30:15,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:30:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 585 transitions. [2020-07-17 16:30:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-17 16:30:15,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:15,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:15,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:30:15,628 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:15,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:15,628 INFO L82 PathProgramCache]: Analyzing trace with hash -2059893013, now seen corresponding path program 1 times [2020-07-17 16:30:15,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:15,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762948193] [2020-07-17 16:30:15,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:15,980 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:16,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762948193] [2020-07-17 16:30:16,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:16,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:30:16,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683129056] [2020-07-17 16:30:16,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:30:16,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:16,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:30:16,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:30:16,153 INFO L87 Difference]: Start difference. First operand 535 states and 585 transitions. Second operand 11 states. [2020-07-17 16:30:16,628 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:18,102 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:18,334 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:18,638 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:19,584 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:19,834 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:20,110 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:20,365 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:20,612 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:20,893 INFO L93 Difference]: Finished difference Result 1126 states and 1301 transitions. [2020-07-17 16:30:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-17 16:30:20,893 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-07-17 16:30:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:20,900 INFO L225 Difference]: With dead ends: 1126 [2020-07-17 16:30:20,900 INFO L226 Difference]: Without dead ends: 706 [2020-07-17 16:30:20,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-07-17 16:30:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-07-17 16:30:21,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 533. [2020-07-17 16:30:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-07-17 16:30:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 581 transitions. [2020-07-17 16:30:21,097 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 581 transitions. Word has length 195 [2020-07-17 16:30:21,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:21,097 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 581 transitions. [2020-07-17 16:30:21,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:30:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 581 transitions. [2020-07-17 16:30:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-07-17 16:30:21,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:21,102 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:21,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:30:21,103 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:21,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:21,103 INFO L82 PathProgramCache]: Analyzing trace with hash -81749345, now seen corresponding path program 1 times [2020-07-17 16:30:21,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:21,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407307671] [2020-07-17 16:30:21,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,384 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:30:21,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407307671] [2020-07-17 16:30:21,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:21,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:30:21,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616674929] [2020-07-17 16:30:21,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:30:21,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:21,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:30:21,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:30:21,645 INFO L87 Difference]: Start difference. First operand 533 states and 581 transitions. Second operand 11 states. [2020-07-17 16:30:22,786 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:23,027 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:30:23,301 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:30:23,538 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:23,793 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:24,017 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:25,255 INFO L93 Difference]: Finished difference Result 1138 states and 1334 transitions. [2020-07-17 16:30:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:30:25,256 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-07-17 16:30:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:25,265 INFO L225 Difference]: With dead ends: 1138 [2020-07-17 16:30:25,265 INFO L226 Difference]: Without dead ends: 720 [2020-07-17 16:30:25,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:30:25,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-07-17 16:30:25,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 549. [2020-07-17 16:30:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-07-17 16:30:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 597 transitions. [2020-07-17 16:30:25,493 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 597 transitions. Word has length 218 [2020-07-17 16:30:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:25,494 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 597 transitions. [2020-07-17 16:30:25,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:30:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 597 transitions. [2020-07-17 16:30:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-07-17 16:30:25,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:25,499 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:25,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:30:25,500 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:25,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:25,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1358050047, now seen corresponding path program 1 times [2020-07-17 16:30:25,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:25,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760203671] [2020-07-17 16:30:25,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,811 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:30:26,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760203671] [2020-07-17 16:30:26,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:26,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:30:26,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211968377] [2020-07-17 16:30:26,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:30:26,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:26,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:30:26,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:30:26,031 INFO L87 Difference]: Start difference. First operand 549 states and 597 transitions. Second operand 14 states. [2020-07-17 16:30:26,604 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:30:26,853 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:30:27,101 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:27,343 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:27,562 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:28,359 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:28,611 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:28,855 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:29,103 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:29,328 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:30:30,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:30,710 INFO L93 Difference]: Finished difference Result 1172 states and 1370 transitions. [2020-07-17 16:30:30,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 16:30:30,710 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-07-17 16:30:30,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:30,715 INFO L225 Difference]: With dead ends: 1172 [2020-07-17 16:30:30,715 INFO L226 Difference]: Without dead ends: 738 [2020-07-17 16:30:30,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:30:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-07-17 16:30:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 561. [2020-07-17 16:30:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-07-17 16:30:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 609 transitions. [2020-07-17 16:30:30,855 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 609 transitions. Word has length 218 [2020-07-17 16:30:30,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:30,856 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 609 transitions. [2020-07-17 16:30:30,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:30:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 609 transitions. [2020-07-17 16:30:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-07-17 16:30:30,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:30,860 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:30,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:30:30,861 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:30,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:30,861 INFO L82 PathProgramCache]: Analyzing trace with hash 737578300, now seen corresponding path program 1 times [2020-07-17 16:30:30,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:30,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700650604] [2020-07-17 16:30:30,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,115 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:30:31,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700650604] [2020-07-17 16:30:31,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:31,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:30:31,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387768744] [2020-07-17 16:30:31,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:30:31,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:31,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:30:31,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:30:31,342 INFO L87 Difference]: Start difference. First operand 561 states and 609 transitions. Second operand 8 states. [2020-07-17 16:30:31,867 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:32,452 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:34,848 INFO L93 Difference]: Finished difference Result 1633 states and 1951 transitions. [2020-07-17 16:30:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:30:34,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-07-17 16:30:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:34,856 INFO L225 Difference]: With dead ends: 1633 [2020-07-17 16:30:34,856 INFO L226 Difference]: Without dead ends: 1187 [2020-07-17 16:30:34,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-07-17 16:30:34,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-07-17 16:30:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 955. [2020-07-17 16:30:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-07-17 16:30:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1065 transitions. [2020-07-17 16:30:35,279 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1065 transitions. Word has length 218 [2020-07-17 16:30:35,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:35,280 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1065 transitions. [2020-07-17 16:30:35,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:30:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1065 transitions. [2020-07-17 16:30:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-17 16:30:35,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:35,286 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:35,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:30:35,286 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:35,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:35,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1828552056, now seen corresponding path program 1 times [2020-07-17 16:30:35,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:35,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097570878] [2020-07-17 16:30:35,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,579 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 16:30:35,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097570878] [2020-07-17 16:30:35,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:30:35,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-07-17 16:30:35,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113495670] [2020-07-17 16:30:35,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-17 16:30:35,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:35,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-17 16:30:35,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:30:35,978 INFO L87 Difference]: Start difference. First operand 955 states and 1065 transitions. Second operand 21 states. [2020-07-17 16:30:36,514 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:36,907 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:30:37,180 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:30:37,438 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:37,691 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:30:37,946 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:38,867 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:40,079 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:40,357 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:40,693 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:40,968 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:41,234 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:41,498 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:41,760 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:42,035 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:42,323 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:42,670 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:42,970 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:30:43,288 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:30:43,858 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 16:30:44,524 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 16:30:45,073 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 16:30:47,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:47,038 INFO L93 Difference]: Finished difference Result 1979 states and 2292 transitions. [2020-07-17 16:30:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-17 16:30:47,039 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 223 [2020-07-17 16:30:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:47,045 INFO L225 Difference]: With dead ends: 1979 [2020-07-17 16:30:47,046 INFO L226 Difference]: Without dead ends: 1139 [2020-07-17 16:30:47,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=726, Invalid=3056, Unknown=0, NotChecked=0, Total=3782 [2020-07-17 16:30:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-07-17 16:30:47,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 918. [2020-07-17 16:30:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-07-17 16:30:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1012 transitions. [2020-07-17 16:30:47,329 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1012 transitions. Word has length 223 [2020-07-17 16:30:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:47,329 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1012 transitions. [2020-07-17 16:30:47,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-17 16:30:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1012 transitions. [2020-07-17 16:30:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-17 16:30:47,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:47,333 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:47,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:30:47,334 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:47,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:47,334 INFO L82 PathProgramCache]: Analyzing trace with hash -77807389, now seen corresponding path program 1 times [2020-07-17 16:30:47,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:47,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043611878] [2020-07-17 16:30:47,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,609 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-17 16:30:47,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043611878] [2020-07-17 16:30:47,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:30:47,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-17 16:30:47,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691540277] [2020-07-17 16:30:47,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:30:47,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:47,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:30:47,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:30:47,980 INFO L87 Difference]: Start difference. First operand 918 states and 1012 transitions. Second operand 9 states. [2020-07-17 16:30:48,605 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:50,788 INFO L93 Difference]: Finished difference Result 1725 states and 2021 transitions. [2020-07-17 16:30:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:30:50,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-07-17 16:30:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:50,798 INFO L225 Difference]: With dead ends: 1725 [2020-07-17 16:30:50,798 INFO L226 Difference]: Without dead ends: 1722 [2020-07-17 16:30:50,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:30:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-07-17 16:30:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1393. [2020-07-17 16:30:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2020-07-17 16:30:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1545 transitions. [2020-07-17 16:30:51,357 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1545 transitions. Word has length 271 [2020-07-17 16:30:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:51,358 INFO L479 AbstractCegarLoop]: Abstraction has 1393 states and 1545 transitions. [2020-07-17 16:30:51,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:30:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1545 transitions. [2020-07-17 16:30:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-07-17 16:30:51,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:51,373 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:51,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:30:51,373 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:51,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1106251278, now seen corresponding path program 1 times [2020-07-17 16:30:51,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:51,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402414556] [2020-07-17 16:30:51,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,764 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-17 16:30:52,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402414556] [2020-07-17 16:30:52,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:30:52,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 16:30:52,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126056243] [2020-07-17 16:30:52,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 16:30:52,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:52,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 16:30:52,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-17 16:30:52,100 INFO L87 Difference]: Start difference. First operand 1393 states and 1545 transitions. Second operand 12 states. [2020-07-17 16:30:52,598 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:53,251 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:55,598 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:57,036 INFO L93 Difference]: Finished difference Result 3724 states and 4371 transitions. [2020-07-17 16:30:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-17 16:30:57,037 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 329 [2020-07-17 16:30:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:57,051 INFO L225 Difference]: With dead ends: 3724 [2020-07-17 16:30:57,051 INFO L226 Difference]: Without dead ends: 2619 [2020-07-17 16:30:57,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=337, Invalid=1069, Unknown=0, NotChecked=0, Total=1406 [2020-07-17 16:30:57,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2020-07-17 16:30:57,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2051. [2020-07-17 16:30:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2051 states. [2020-07-17 16:30:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 2277 transitions. [2020-07-17 16:30:57,972 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 2277 transitions. Word has length 329 [2020-07-17 16:30:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:57,973 INFO L479 AbstractCegarLoop]: Abstraction has 2051 states and 2277 transitions. [2020-07-17 16:30:57,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 16:30:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2277 transitions. [2020-07-17 16:30:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-17 16:30:57,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:57,979 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:57,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 16:30:57,979 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1581259822, now seen corresponding path program 1 times [2020-07-17 16:30:57,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:57,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957981985] [2020-07-17 16:30:57,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:58,482 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:30:58,483 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:30:58,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 16:30:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:30:58 BoogieIcfgContainer [2020-07-17 16:30:58,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:30:58,875 INFO L168 Benchmark]: Toolchain (without parser) took 63208.59 ms. Allocated memory was 137.9 MB in the beginning and 1.0 GB in the end (delta: 887.6 MB). Free memory was 100.6 MB in the beginning and 120.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 867.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,877 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.09 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 170.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,884 INFO L168 Benchmark]: Boogie Preprocessor took 106.96 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,885 INFO L168 Benchmark]: RCFGBuilder took 1140.60 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 176.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,887 INFO L168 Benchmark]: TraceAbstraction took 61314.42 ms. Allocated memory was 234.4 MB in the beginning and 1.0 GB in the end (delta: 791.2 MB). Free memory was 176.2 MB in the beginning and 120.9 MB in the end (delta: 55.2 MB). Peak memory consumption was 846.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:58,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.09 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 170.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.96 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1140.60 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 176.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61314.42 ms. Allocated memory was 234.4 MB in the beginning and 1.0 GB in the end (delta: 791.2 MB). Free memory was 176.2 MB in the beginning and 120.9 MB in the end (delta: 55.2 MB). Peak memory consumption was 846.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={177:162}, methAndRunningLastTime=0, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L455] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=144, pumpRunning=0, systemActive=131, waterLevel=138] [L456] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=138] [L628] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=1] [L629] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=173, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L915] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L820] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L821] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L916] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L916] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L918] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L920] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L921] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L724] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L725] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L726] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L727] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L728] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L731] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L743] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L745] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L646] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L647] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L745] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L753] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L494] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L607] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L716] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L612] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L614] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L617] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L619] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L620] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L496] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L498] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L500] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L554] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L556] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L529] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L531] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L535] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L500] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L60] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L76] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L477] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L776] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L743] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L753] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L755] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L755] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L464] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L634] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L60] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L62] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L561] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L564] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L565] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L62] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L62] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L65] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L70] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L477] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L733] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L741] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L743] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L751] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L753] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L761] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L763] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L462] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L464] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L634] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L464] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L469] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L491] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L471] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L53] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L667] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L670] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L671] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L60] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L62] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L561] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L564] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L565] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L62] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L62] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L65] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L67] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L830] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 624 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 60.8s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 49.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3090 SDtfs, 10236 SDslu, 6855 SDs, 0 SdLazy, 13265 SolverSat, 2890 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 435 SyntacticMatches, 9 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1935 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2051occurred 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: 3.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2191 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2813 NumberOfCodeBlocks, 2813 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2471 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 175/207 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 incorrect! Received shutdown request...