/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:46:15,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:46:15,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:46:15,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:46:15,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:46:15,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:46:15,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:46:15,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:46:15,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:46:15,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:46:15,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:46:15,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:46:15,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:46:15,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:46:15,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:46:15,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:46:15,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:46:15,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:46:15,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:46:15,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:46:15,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:46:15,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:46:15,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:46:15,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:46:15,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:46:15,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:46:15,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:46:15,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:46:15,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:46:15,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:46:15,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:46:15,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:46:15,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:46:15,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:46:15,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:46:15,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:46:15,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:46:15,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:46:15,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:46:15,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:46:15,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:46:15,460 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 10:46:15,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:46:15,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:46:15,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:46:15,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:46:15,476 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:46:15,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:46:15,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:46:15,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:46:15,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:46:15,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:46:15,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:46:15,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:46:15,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:46:15,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:46:15,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:46:15,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:46:15,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:46:15,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:46:15,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:46:15,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:46:15,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:46:15,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:46:15,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:46:15,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:46:15,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:46:15,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:46:15,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:46:15,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:46:15,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:46:15,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:46:15,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:46:15,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:46:15,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:46:15,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:46:15,763 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:46:15,764 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-07 10:46:15,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed82636/a8e1b53761ca427e94b6eee79b0c5b0e/FLAGf489bdc1c [2020-07-07 10:46:16,385 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:46:16,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-07 10:46:16,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed82636/a8e1b53761ca427e94b6eee79b0c5b0e/FLAGf489bdc1c [2020-07-07 10:46:16,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed82636/a8e1b53761ca427e94b6eee79b0c5b0e [2020-07-07 10:46:16,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:46:16,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:46:16,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:16,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:46:16,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:46:16,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:16" (1/1) ... [2020-07-07 10:46:16,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb58d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:16, skipping insertion in model container [2020-07-07 10:46:16,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:16" (1/1) ... [2020-07-07 10:46:16,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:46:16,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:46:17,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:17,210 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:46:17,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:17,356 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:46:17,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17 WrapperNode [2020-07-07 10:46:17,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:17,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:46:17,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:46:17,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:46:17,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (1/1) ... [2020-07-07 10:46:17,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:46:17,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:46:17,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:46:17,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:46:17,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (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 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:46:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:46:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:46:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:46:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:46:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:46:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:46:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:46:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:46:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:46:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:46:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:46:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:46:18,620 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:46:18,621 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:46:18,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:18 BoogieIcfgContainer [2020-07-07 10:46:18,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:46:18,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:46:18,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:46:18,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:46:18,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:46:16" (1/3) ... [2020-07-07 10:46:18,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a49ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:18, skipping insertion in model container [2020-07-07 10:46:18,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:17" (2/3) ... [2020-07-07 10:46:18,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a49ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:18, skipping insertion in model container [2020-07-07 10:46:18,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:18" (3/3) ... [2020-07-07 10:46:18,639 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-07-07 10:46:18,650 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:46:18,658 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:46:18,673 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:46:18,701 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:46:18,702 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:46:18,702 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:46:18,702 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:46:18,702 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:46:18,703 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:46:18,703 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:46:18,703 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:46:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-07 10:46:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:46:18,734 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:18,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:18,736 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:18,743 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2020-07-07 10:46:18,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:18,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697226862] [2020-07-07 10:46:18,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,419 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:19,510 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 10:46:19,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697226862] [2020-07-07 10:46:19,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:19,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:46:19,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773749504] [2020-07-07 10:46:19,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:46:19,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:19,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:46:19,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:19,537 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-07-07 10:46:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:20,626 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-07-07 10:46:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:46:20,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:46:20,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:20,643 INFO L225 Difference]: With dead ends: 270 [2020-07-07 10:46:20,644 INFO L226 Difference]: Without dead ends: 147 [2020-07-07 10:46:20,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:20,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-07 10:46:20,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-07-07 10:46:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:46:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-07 10:46:20,734 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-07 10:46:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:20,735 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-07 10:46:20,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:46:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-07 10:46:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:46:20,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:20,739 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 10:46:20,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:46:20,740 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:20,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:20,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2020-07-07 10:46:20,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:20,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636463462] [2020-07-07 10:46:20,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,111 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,161 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 10:46:21,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636463462] [2020-07-07 10:46:21,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:21,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:46:21,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248620096] [2020-07-07 10:46:21,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:46:21,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:21,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:46:21,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:46:21,165 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-07-07 10:46:21,620 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:22,331 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-07-07 10:46:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:46:22,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:46:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:22,335 INFO L225 Difference]: With dead ends: 193 [2020-07-07 10:46:22,336 INFO L226 Difference]: Without dead ends: 131 [2020-07-07 10:46:22,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:46:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-07 10:46:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-07-07 10:46:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-07 10:46:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-07 10:46:22,377 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-07 10:46:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:22,377 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-07 10:46:22,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:46:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-07 10:46:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:46:22,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:22,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:22,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:46:22,381 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:22,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:22,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2020-07-07 10:46:22,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:22,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821090359] [2020-07-07 10:46:22,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,715 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,848 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 10:46:22,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821090359] [2020-07-07 10:46:22,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:22,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:46:22,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900022233] [2020-07-07 10:46:22,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:46:22,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:22,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:46:22,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:46:22,852 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-07-07 10:46:23,226 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:23,548 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:23,802 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:24,059 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:24,840 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:26,339 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-07-07 10:46:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:46:26,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:46:26,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:26,345 INFO L225 Difference]: With dead ends: 366 [2020-07-07 10:46:26,345 INFO L226 Difference]: Without dead ends: 285 [2020-07-07 10:46:26,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:46:26,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-07 10:46:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-07-07 10:46:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:46:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-07-07 10:46:26,418 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-07-07 10:46:26,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:26,418 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-07-07 10:46:26,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:46:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-07-07 10:46:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:46:26,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:26,421 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] [2020-07-07 10:46:26,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:46:26,422 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:26,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:26,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2020-07-07 10:46:26,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:26,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083944573] [2020-07-07 10:46:26,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,762 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:26,890 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 10:46:26,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083944573] [2020-07-07 10:46:26,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:26,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:46:26,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168160098] [2020-07-07 10:46:26,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:26,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:26,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:26,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:26,893 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2020-07-07 10:46:27,373 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:27,697 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:27,946 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:28,187 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:28,765 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:29,537 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:29,901 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:30,188 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:30,444 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:46:30,688 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:31,007 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:31,338 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:31,605 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:32,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:32,655 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2020-07-07 10:46:32,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:32,656 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:46:32,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:32,663 INFO L225 Difference]: With dead ends: 891 [2020-07-07 10:46:32,664 INFO L226 Difference]: Without dead ends: 691 [2020-07-07 10:46:32,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 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 10:46:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-07 10:46:32,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2020-07-07 10:46:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-07 10:46:32,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2020-07-07 10:46:32,822 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2020-07-07 10:46:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:32,823 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2020-07-07 10:46:32,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2020-07-07 10:46:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:46:32,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:32,827 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] [2020-07-07 10:46:32,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:32,827 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:32,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:32,828 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2020-07-07 10:46:32,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:32,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145319914] [2020-07-07 10:46:32,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,064 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:33,142 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 10:46:33,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145319914] [2020-07-07 10:46:33,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:33,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:33,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100971658] [2020-07-07 10:46:33,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:33,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:33,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:33,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:33,145 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2020-07-07 10:46:33,475 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:34,338 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2020-07-07 10:46:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:34,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:46:34,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:34,343 INFO L225 Difference]: With dead ends: 1039 [2020-07-07 10:46:34,343 INFO L226 Difference]: Without dead ends: 469 [2020-07-07 10:46:34,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:46:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-07 10:46:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-07-07 10:46:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-07 10:46:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-07-07 10:46:34,424 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-07-07 10:46:34,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:34,424 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-07-07 10:46:34,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-07-07 10:46:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:46:34,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:34,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:34,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:34,427 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:34,428 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2020-07-07 10:46:34,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:34,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712957864] [2020-07-07 10:46:34,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,702 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:46:34,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712957864] [2020-07-07 10:46:34,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678781858] [2020-07-07 10:46:34,877 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 10:46:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:35,063 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:35,073 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:46:35,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:35,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:35,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335390391] [2020-07-07 10:46:35,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:35,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:35,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:35,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:35,183 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 12 states. [2020-07-07 10:46:35,966 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:36,516 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:37,456 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-07-07 10:46:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:46:37,457 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:46:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:37,458 INFO L225 Difference]: With dead ends: 565 [2020-07-07 10:46:37,458 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:37,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:46:37,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:37,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-07 10:46:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:37,462 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:37,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:37,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:37,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:37,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:38,080 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2020-07-07 10:46:38,397 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2020-07-07 10:46:41,658 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:42,068 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:42,326 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:42,482 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:46:42,843 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:43,258 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:43,673 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:44,115 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:46:44,322 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:45,005 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-07 10:46:45,189 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:45,886 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:46:46,149 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-07 10:46:46,743 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:46:46,894 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:47,439 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:46:47,665 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:48,037 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:48,419 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:48,762 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:49,110 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:49,708 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:49,871 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:50,177 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-07 10:46:50,663 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:46:51,002 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:51,548 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:46:51,552 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-07 10:46:51,553 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-07 10:46:51,554 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-07 10:46:51,554 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-07 10:46:51,554 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-07 10:46:51,554 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 10:46:51,554 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-07 10:46:51,555 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2020-07-07 10:46:51,556 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2020-07-07 10:46:51,556 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2020-07-07 10:46:51,556 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2020-07-07 10:46:51,556 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2020-07-07 10:46:51,556 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-07-07 10:46:51,556 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-07-07 10:46:51,557 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:51,557 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-07 10:46:51,557 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:51,557 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-07 10:46:51,557 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-07-07 10:46:51,557 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-07-07 10:46:51,558 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-07 10:46:51,558 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-07 10:46:51,558 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,558 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:51,558 INFO L264 CegarLoopResult]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:51,559 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-07-07 10:46:51,559 INFO L268 CegarLoopResult]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2020-07-07 10:46:51,559 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2020-07-07 10:46:51,559 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:46:51,559 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,559 INFO L264 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,559 INFO L264 CegarLoopResult]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-07 10:46:51,560 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-07 10:46:51,561 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-07 10:46:51,562 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-07 10:46:51,562 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-07 10:46:51,562 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-07 10:46:51,562 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-07 10:46:51,562 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,562 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-07 10:46:51,563 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:51,563 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-07 10:46:51,563 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-07 10:46:51,563 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-07 10:46:51,563 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-07 10:46:51,563 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-07 10:46:51,563 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-07 10:46:51,564 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-07 10:46:51,564 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-07 10:46:51,565 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-07 10:46:51,566 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-07 10:46:51,567 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-07 10:46:51,568 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,568 INFO L268 CegarLoopResult]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2020-07-07 10:46:51,568 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,568 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,568 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2020-07-07 10:46:51,568 INFO L268 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2020-07-07 10:46:51,568 INFO L264 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,568 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2020-07-07 10:46:51,569 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2020-07-07 10:46:51,569 INFO L264 CegarLoopResult]: At program point L929(lines 882 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:51,569 INFO L264 CegarLoopResult]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:51,569 INFO L264 CegarLoopResult]: At program point L894(line 894) 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(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2020-07-07 10:46:51,569 INFO L268 CegarLoopResult]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2020-07-07 10:46:51,570 INFO L268 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-07-07 10:46:51,570 INFO L264 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:51,570 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:51,570 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-07-07 10:46:51,570 INFO L264 CegarLoopResult]: At program point L920-1(lines 912 927) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:51,570 INFO L268 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2020-07-07 10:46:51,570 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:46:51,570 INFO L268 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2020-07-07 10:46:51,570 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2020-07-07 10:46:51,571 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point L741(lines 741 749) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2020-07-07 10:46:51,572 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-07 10:46:51,573 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-07 10:46:51,574 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-07 10:46:51,575 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2020-07-07 10:46:51,575 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2020-07-07 10:46:51,575 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2020-07-07 10:46:51,575 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,575 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:46:51,575 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point L567(lines 567 573) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-07 10:46:51,576 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2020-07-07 10:46:51,576 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2020-07-07 10:46:51,577 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2020-07-07 10:46:51,578 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2020-07-07 10:46:51,578 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2020-07-07 10:46:51,578 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:51,578 INFO L264 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:51,578 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:51,578 INFO L268 CegarLoopResult]: For program point L498(lines 497 516) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:51,579 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L271 CegarLoopResult]: At program point L801(lines 776 805) the Hoare annotation is: true [2020-07-07 10:46:51,579 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2020-07-07 10:46:51,579 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-07 10:46:51,579 INFO L271 CegarLoopResult]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2020-07-07 10:46:51,580 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-07 10:46:51,580 INFO L271 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2020-07-07 10:46:51,580 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-07 10:46:51,580 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-07 10:46:51,580 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2020-07-07 10:46:51,580 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2020-07-07 10:46:51,580 INFO L268 CegarLoopResult]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2020-07-07 10:46:51,580 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2020-07-07 10:46:51,581 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2020-07-07 10:46:51,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,581 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 10:46:51,581 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:51,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:51,581 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-07 10:46:51,581 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-07 10:46:51,581 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-07 10:46:51,582 INFO L268 CegarLoopResult]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2020-07-07 10:46:51,582 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2020-07-07 10:46:51,582 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:51,582 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:46:51,582 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:46:51,582 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:46:51,582 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:46:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:51 BoogieIcfgContainer [2020-07-07 10:46:51,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:51,601 INFO L168 Benchmark]: Toolchain (without parser) took 34908.95 ms. Allocated memory was 145.2 MB in the beginning and 653.3 MB in the end (delta: 508.0 MB). Free memory was 102.0 MB in the beginning and 577.5 MB in the end (delta: -475.5 MB). Peak memory consumption was 527.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,602 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.74 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 168.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,603 INFO L168 Benchmark]: Boogie Preprocessor took 93.36 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,604 INFO L168 Benchmark]: RCFGBuilder took 1176.75 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 194.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,605 INFO L168 Benchmark]: TraceAbstraction took 32968.16 ms. Allocated memory was 235.9 MB in the beginning and 653.3 MB in the end (delta: 417.3 MB). Free memory was 194.0 MB in the beginning and 577.5 MB in the end (delta: -383.5 MB). Peak memory consumption was 528.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:51,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.74 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 168.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.36 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1176.75 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.0 MB in the beginning and 194.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32968.16 ms. Allocated memory was 235.9 MB in the beginning and 653.3 MB in the end (delta: 417.3 MB). Free memory was 194.0 MB in the beginning and 577.5 MB in the end (delta: -383.5 MB). Peak memory consumption was 528.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || ((0 == splverifierCounter && 2 <= waterLevel) && 0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 606 SDtfs, 1363 SDslu, 600 SDs, 0 SdLazy, 2923 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 172643 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 22679 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...