/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:45:41,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:45:41,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:45:41,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:45:41,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:45:41,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:45:41,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:45:41,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:45:41,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:45:41,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:45:41,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:45:41,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:45:41,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:45:41,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:45:41,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:45:41,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:45:41,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:45:41,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:45:41,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:45:41,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:45:41,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:45:41,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:45:41,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:45:41,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:45:41,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:45:41,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:45:41,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:45:41,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:45:41,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:45:41,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:45:41,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:45:41,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:45:41,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:45:41,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:45:41,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:45:41,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:45:41,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:45:41,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:45:41,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:45:41,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:45:41,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:45:41,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:45:41,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:45:41,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:45:41,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:45:41,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:45:41,484 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:45:41,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:45:41,485 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:45:41,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:45:41,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:45:41,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:45:41,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:45:41,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:45:41,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:45:41,487 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:45:41,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:45:41,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:45:41,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:45:41,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:45:41,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:45:41,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:45:41,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:45:41,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:41,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:45:41,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:45:41,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:45:41,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:45:41,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:45:41,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:45:41,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:45:41,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:45:41,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:45:41,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:45:41,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:45:41,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:45:41,800 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:45:41,801 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-07-07 10:45:41,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355020f6f/7fb04a4c6647439b93146d4559a92c50/FLAG697d26460 [2020-07-07 10:45:42,415 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:45:42,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-07-07 10:45:42,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355020f6f/7fb04a4c6647439b93146d4559a92c50/FLAG697d26460 [2020-07-07 10:45:42,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355020f6f/7fb04a4c6647439b93146d4559a92c50 [2020-07-07 10:45:42,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:45:42,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:45:42,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:42,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:45:42,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:45:42,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:42" (1/1) ... [2020-07-07 10:45:42,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcfec30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:42, skipping insertion in model container [2020-07-07 10:45:42,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:42" (1/1) ... [2020-07-07 10:45:42,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:45:42,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:45:43,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:43,218 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:45:43,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:43,337 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:45:43,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43 WrapperNode [2020-07-07 10:45:43,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:43,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:45:43,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:45:43,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:45:43,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... [2020-07-07 10:45:43,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:45:43,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:45:43,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:45:43,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:45:43,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:45:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:45:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:45:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:45:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:45:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:45:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:45:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:45:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:45:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:45:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:45:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:45:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:45:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:45:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:45:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:45:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:45:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:45:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:45:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:45:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:45:44,488 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:45:44,488 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:45:44,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:44 BoogieIcfgContainer [2020-07-07 10:45:44,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:45:44,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:45:44,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:45:44,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:45:44,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:45:42" (1/3) ... [2020-07-07 10:45:44,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed00d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:44, skipping insertion in model container [2020-07-07 10:45:44,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:43" (2/3) ... [2020-07-07 10:45:44,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed00d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:44, skipping insertion in model container [2020-07-07 10:45:44,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:44" (3/3) ... [2020-07-07 10:45:44,501 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-07-07 10:45:44,512 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:45:44,519 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:45:44,533 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:45:44,567 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:45:44,568 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:45:44,568 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:45:44,568 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:45:44,569 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:45:44,569 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:45:44,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:45:44,569 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:45:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-07-07 10:45:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:45:44,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:44,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:44,604 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:44,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:44,610 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2020-07-07 10:45:44,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:44,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682774364] [2020-07-07 10:45:44,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,217 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:45,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682774364] [2020-07-07 10:45:45,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:45,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:45:45,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798615038] [2020-07-07 10:45:45,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:45:45,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:45,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:45:45,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:45,342 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-07-07 10:45:46,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:46,365 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-07-07 10:45:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:45:46,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:45:46,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:46,381 INFO L225 Difference]: With dead ends: 247 [2020-07-07 10:45:46,382 INFO L226 Difference]: Without dead ends: 134 [2020-07-07 10:45:46,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:46,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-07 10:45:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-07-07 10:45:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-07 10:45:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-07 10:45:46,471 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-07 10:45:46,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:46,471 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-07 10:45:46,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:45:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-07 10:45:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:45:46,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:46,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:46,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:45:46,476 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:46,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:46,476 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2020-07-07 10:45:46,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:46,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767877741] [2020-07-07 10:45:46,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,832 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:46,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767877741] [2020-07-07 10:45:46,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:46,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:45:46,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79832845] [2020-07-07 10:45:46,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:45:46,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:46,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:45:46,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:45:46,922 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-07-07 10:45:47,394 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:47,938 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-07-07 10:45:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:45:47,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:45:47,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:47,945 INFO L225 Difference]: With dead ends: 180 [2020-07-07 10:45:47,945 INFO L226 Difference]: Without dead ends: 118 [2020-07-07 10:45:47,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:45:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-07 10:45:47,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-07-07 10:45:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-07 10:45:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-07-07 10:45:47,984 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-07-07 10:45:47,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:47,984 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-07-07 10:45:47,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:45:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-07-07 10:45:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:45:47,987 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:47,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:47,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:45:47,988 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:47,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:47,988 INFO L82 PathProgramCache]: Analyzing trace with hash 70257927, now seen corresponding path program 1 times [2020-07-07 10:45:47,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:47,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171018479] [2020-07-07 10:45:47,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,332 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:48,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171018479] [2020-07-07 10:45:48,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:48,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:48,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342223943] [2020-07-07 10:45:48,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:48,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:48,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:48,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:48,415 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-07-07 10:45:48,787 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:49,101 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:49,340 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:49,544 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:50,470 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-07-07 10:45:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:45:50,471 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:45:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:50,473 INFO L225 Difference]: With dead ends: 189 [2020-07-07 10:45:50,474 INFO L226 Difference]: Without dead ends: 118 [2020-07-07 10:45:50,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:50,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-07 10:45:50,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-07-07 10:45:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-07 10:45:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-07-07 10:45:50,508 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-07-07 10:45:50,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:50,508 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-07-07 10:45:50,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-07-07 10:45:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:45:50,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:50,511 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] [2020-07-07 10:45:50,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:50,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:50,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2020-07-07 10:45:50,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:50,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486805223] [2020-07-07 10:45:50,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,855 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:51,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486805223] [2020-07-07 10:45:51,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:51,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:45:51,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587797030] [2020-07-07 10:45:51,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:51,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:51,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:51,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:51,004 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 12 states. [2020-07-07 10:45:51,484 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:51,798 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:52,045 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:52,279 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:52,840 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:53,562 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,881 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:54,157 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:54,396 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:54,619 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:54,914 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:55,247 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:55,504 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:56,433 INFO L93 Difference]: Finished difference Result 360 states and 482 transitions. [2020-07-07 10:45:56,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:45:56,435 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-07-07 10:45:56,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:56,440 INFO L225 Difference]: With dead ends: 360 [2020-07-07 10:45:56,440 INFO L226 Difference]: Without dead ends: 289 [2020-07-07 10:45:56,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:45:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-07-07 10:45:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 224. [2020-07-07 10:45:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:45:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 265 transitions. [2020-07-07 10:45:56,524 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 265 transitions. Word has length 59 [2020-07-07 10:45:56,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:56,524 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 265 transitions. [2020-07-07 10:45:56,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:45:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 265 transitions. [2020-07-07 10:45:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-07 10:45:56,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:56,527 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] [2020-07-07 10:45:56,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:45:56,528 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:56,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:56,528 INFO L82 PathProgramCache]: Analyzing trace with hash 927496270, now seen corresponding path program 1 times [2020-07-07 10:45:56,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:56,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837187615] [2020-07-07 10:45:56,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,809 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:56,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837187615] [2020-07-07 10:45:56,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:56,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:45:56,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537270988] [2020-07-07 10:45:56,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:45:56,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:56,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:45:56,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:45:56,930 INFO L87 Difference]: Start difference. First operand 224 states and 265 transitions. Second operand 6 states. [2020-07-07 10:45:57,293 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:57,749 INFO L93 Difference]: Finished difference Result 363 states and 446 transitions. [2020-07-07 10:45:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:45:57,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-07 10:45:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:57,752 INFO L225 Difference]: With dead ends: 363 [2020-07-07 10:45:57,752 INFO L226 Difference]: Without dead ends: 163 [2020-07-07 10:45:57,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:45:57,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-07 10:45:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-07-07 10:45:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-07 10:45:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-07-07 10:45:57,784 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-07-07 10:45:57,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:57,784 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-07-07 10:45:57,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:45:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-07-07 10:45:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 10:45:57,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:57,786 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:57,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:45:57,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:57,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:57,787 INFO L82 PathProgramCache]: Analyzing trace with hash 368759171, now seen corresponding path program 1 times [2020-07-07 10:45:57,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:57,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213656234] [2020-07-07 10:45:57,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,087 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:45:58,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213656234] [2020-07-07 10:45:58,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081331544] [2020-07-07 10:45:58,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:45:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:58,436 INFO L264 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:45:58,447 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:45:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:45:58,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:45:58,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:45:58,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508319743] [2020-07-07 10:45:58,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:58,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:58,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:58,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:58,536 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 12 states. [2020-07-07 10:45:59,225 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:45:59,781 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:00,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:00,343 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-07-07 10:46:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:46:00,343 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-07-07 10:46:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:00,344 INFO L225 Difference]: With dead ends: 203 [2020-07-07 10:46:00,344 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:00,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:46:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:00,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-07 10:46:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:00,346 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:00,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:00,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:00,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:00,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:01,194 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-07-07 10:46:01,353 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-07-07 10:46:02,318 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 230 [2020-07-07 10:46:02,802 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-07-07 10:46:03,432 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:03,786 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:04,276 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:46:04,438 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:04,739 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-07-07 10:46:05,139 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:05,349 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-07-07 10:46:05,740 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:05,942 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:06,560 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 10:46:06,721 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:07,303 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-07 10:46:07,968 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-07 10:46:08,627 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-07 10:46:09,088 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:46:09,241 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:09,432 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-07-07 10:46:09,767 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:10,100 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:10,434 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:10,594 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-07 10:46:10,951 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:11,461 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-07-07 10:46:11,731 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-07-07 10:46:11,735 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-07 10:46:11,735 INFO L268 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-07-07 10:46:11,735 INFO L268 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-07-07 10:46:11,735 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-07-07 10:46:11,735 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-07-07 10:46:11,736 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-07-07 10:46:11,737 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-07-07 10:46:11,738 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2020-07-07 10:46:11,738 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2020-07-07 10:46:11,738 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2020-07-07 10:46:11,738 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2020-07-07 10:46:11,738 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2020-07-07 10:46:11,738 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-07 10:46:11,739 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:11,739 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-07 10:46:11,739 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:11,739 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-07 10:46:11,739 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-07 10:46:11,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:46:11,739 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-07 10:46:11,740 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-07 10:46:11,740 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-07 10:46:11,740 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,740 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,740 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-07-07 10:46:11,740 INFO L268 CegarLoopResult]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2020-07-07 10:46:11,741 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,741 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-07 10:46:11,741 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,741 INFO L264 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,741 INFO L264 CegarLoopResult]: At program point L155-1(line 155) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,741 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-07 10:46:11,742 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-07 10:46:11,743 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2020-07-07 10:46:11,744 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-07-07 10:46:11,745 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-07-07 10:46:11,746 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-07 10:46:11,747 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2020-07-07 10:46:11,748 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:11,748 INFO L268 CegarLoopResult]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2020-07-07 10:46:11,749 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:46:11,749 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:11,749 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:11,749 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-07-07 10:46:11,749 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:11,749 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-07 10:46:11,749 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-07-07 10:46:11,749 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-07 10:46:11,750 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2020-07-07 10:46:11,750 INFO L264 CegarLoopResult]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:11,750 INFO L268 CegarLoopResult]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2020-07-07 10:46:11,750 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:11,750 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-07 10:46:11,750 INFO L264 CegarLoopResult]: At program point L263-2(lines 257 268) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:11,750 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-07-07 10:46:11,750 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-07-07 10:46:11,750 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:11,750 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:11,751 INFO L264 CegarLoopResult]: At program point L270(lines 227 272) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-07-07 10:46:11,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2020-07-07 10:46:11,752 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-07-07 10:46:11,753 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-07-07 10:46:11,754 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-07-07 10:46:11,755 INFO L268 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-07-07 10:46:11,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,755 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:46:11,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,755 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2020-07-07 10:46:11,755 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2020-07-07 10:46:11,756 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2020-07-07 10:46:11,756 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2020-07-07 10:46:11,756 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2020-07-07 10:46:11,756 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2020-07-07 10:46:11,756 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-07 10:46:11,756 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2020-07-07 10:46:11,756 INFO L268 CegarLoopResult]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2020-07-07 10:46:11,757 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,757 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,757 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,757 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:11,757 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:11,757 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:11,757 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2020-07-07 10:46:11,758 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:11,758 INFO L268 CegarLoopResult]: For program point L295(lines 294 313) no Hoare annotation was computed. [2020-07-07 10:46:11,758 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2020-07-07 10:46:11,758 INFO L271 CegarLoopResult]: At program point L96(lines 71 100) the Hoare annotation is: true [2020-07-07 10:46:11,758 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2020-07-07 10:46:11,758 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2020-07-07 10:46:11,758 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-07 10:46:11,758 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L271 CegarLoopResult]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2020-07-07 10:46:11,759 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L271 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2020-07-07 10:46:11,759 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-07-07 10:46:11,759 INFO L268 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-07 10:46:11,759 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2020-07-07 10:46:11,760 INFO L268 CegarLoopResult]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2020-07-07 10:46:11,760 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2020-07-07 10:46:11,760 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2020-07-07 10:46:11,760 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2020-07-07 10:46:11,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,760 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:11,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:11,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:11,761 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2020-07-07 10:46:11,761 INFO L268 CegarLoopResult]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2020-07-07 10:46:11,761 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:46:11,761 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2020-07-07 10:46:11,761 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-07 10:46:11,761 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2020-07-07 10:46:11,761 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2020-07-07 10:46:11,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:11 BoogieIcfgContainer [2020-07-07 10:46:11,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:11,781 INFO L168 Benchmark]: Toolchain (without parser) took 29046.84 ms. Allocated memory was 135.8 MB in the beginning and 634.9 MB in the end (delta: 499.1 MB). Free memory was 99.2 MB in the beginning and 321.8 MB in the end (delta: -222.5 MB). Peak memory consumption was 523.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,782 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.34 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.0 MB in the beginning and 170.8 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,783 INFO L168 Benchmark]: Boogie Preprocessor took 89.98 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 164.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,784 INFO L168 Benchmark]: RCFGBuilder took 1064.46 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 164.9 MB in the beginning and 198.6 MB in the end (delta: -33.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,785 INFO L168 Benchmark]: TraceAbstraction took 27285.01 ms. Allocated memory was 229.1 MB in the beginning and 634.9 MB in the end (delta: 405.8 MB). Free memory was 198.6 MB in the beginning and 321.8 MB in the end (delta: -123.2 MB). Peak memory consumption was 529.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:11,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 602.34 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.0 MB in the beginning and 170.8 MB in the end (delta: -71.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.98 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 164.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1064.46 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 164.9 MB in the beginning and 198.6 MB in the end (delta: -33.7 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27285.01 ms. Allocated memory was 229.1 MB in the beginning and 634.9 MB in the end (delta: 405.8 MB). Free memory was 198.6 MB in the beginning and 321.8 MB in the end (delta: -123.2 MB). Peak memory consumption was 529.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive)) || ((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 996 SDslu, 351 SDs, 0 SdLazy, 2180 SolverSat, 622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 39690 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 49 FomulaSimplificationsInter, 10536 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 128911 SizeOfPredicates, 3 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 53/62 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...