/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:46:03,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:46:03,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:46:03,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:46:03,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:46:03,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:46:03,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:46:03,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:46:03,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:46:03,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:46:03,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:46:03,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:46:03,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:46:03,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:46:03,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:46:03,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:46:03,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:46:03,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:46:03,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:46:03,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:46:03,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:46:03,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:46:03,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:46:03,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:46:03,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:46:03,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:46:03,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:46:03,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:46:03,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:46:03,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:46:03,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:46:03,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:46:03,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:46:03,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:46:03,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:46:03,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:46:03,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:46:03,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:46:03,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:46:03,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:46:03,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:46:03,521 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 10:46:03,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:46:03,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:46:03,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:46:03,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:46:03,548 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:46:03,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:46:03,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:46:03,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:46:03,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:46:03,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:46:03,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:46:03,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:46:03,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:46:03,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:46:03,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:46:03,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:46:03,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:46:03,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:46:03,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:46:03,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:46:03,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:46:03,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:46:03,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:46:03,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:46:03,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:46:03,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:46:03,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:46:03,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:46:03,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:46:03,861 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:46:03,862 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-07-07 10:46:03,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85a26f80/6c8f029cded843b69179fbf817d6ead0/FLAG750e44885 [2020-07-07 10:46:04,413 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:46:04,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-07-07 10:46:04,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85a26f80/6c8f029cded843b69179fbf817d6ead0/FLAG750e44885 [2020-07-07 10:46:04,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85a26f80/6c8f029cded843b69179fbf817d6ead0 [2020-07-07 10:46:04,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:46:04,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:46:04,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:04,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:46:04,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:46:04,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:04" (1/1) ... [2020-07-07 10:46:04,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b7a4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:04, skipping insertion in model container [2020-07-07 10:46:04,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:46:04" (1/1) ... [2020-07-07 10:46:04,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:46:04,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:46:05,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:05,112 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:46:05,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:46:05,322 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:46:05,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05 WrapperNode [2020-07-07 10:46:05,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:46:05,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:46:05,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:46:05,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:46:05,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (1/1) ... [2020-07-07 10:46:05,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:46:05,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:46:05,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:46:05,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:46:05,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (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 10:46:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:46:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:46:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:46:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:46:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:46:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:46:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:46:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:46:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:46:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:46:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:46:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:46:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:46:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:46:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:46:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:46:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:46:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:46:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:46:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:46:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:46:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:46:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:46:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:46:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:46:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:46:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:46:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:46:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:46:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:46:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:46:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:46:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:46:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:46:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:46:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:46:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:46:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:46:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:46:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:46:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:46:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:46:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:46:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:46:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:46:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:46:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:46:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:46:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:46:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:46:06,531 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:46:06,531 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:46:06,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:06 BoogieIcfgContainer [2020-07-07 10:46:06,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:46:06,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:46:06,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:46:06,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:46:06,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:46:04" (1/3) ... [2020-07-07 10:46:06,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c03542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:06, skipping insertion in model container [2020-07-07 10:46:06,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:46:05" (2/3) ... [2020-07-07 10:46:06,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c03542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:46:06, skipping insertion in model container [2020-07-07 10:46:06,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:46:06" (3/3) ... [2020-07-07 10:46:06,544 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-07-07 10:46:06,554 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:46:06,562 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:46:06,576 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:46:06,600 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:46:06,600 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:46:06,600 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:46:06,600 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:46:06,601 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:46:06,601 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:46:06,601 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:46:06,601 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:46:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-07 10:46:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:46:06,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:06,634 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 10:46:06,635 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:06,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:06,641 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2020-07-07 10:46:06,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:06,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393860073] [2020-07-07 10:46:06,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,290 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:07,417 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 10:46:07,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393860073] [2020-07-07 10:46:07,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:07,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:46:07,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393181661] [2020-07-07 10:46:07,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:46:07,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:07,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:46:07,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:07,447 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2020-07-07 10:46:08,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:08,570 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-07-07 10:46:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:46:08,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:46:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:08,586 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:46:08,587 INFO L226 Difference]: Without dead ends: 167 [2020-07-07 10:46:08,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:46:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-07 10:46:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-07-07 10:46:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-07 10:46:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-07 10:46:08,680 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-07-07 10:46:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:08,681 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-07 10:46:08,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:46:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-07 10:46:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:46:08,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:08,684 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 10:46:08,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:46:08,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:08,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:08,685 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2020-07-07 10:46:08,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:08,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735874438] [2020-07-07 10:46:08,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,020 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:09,057 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 10:46:09,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735874438] [2020-07-07 10:46:09,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:09,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:46:09,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288383814] [2020-07-07 10:46:09,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:46:09,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:09,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:46:09,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:46:09,061 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-07-07 10:46:09,438 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:10,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:10,222 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-07-07 10:46:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:46:10,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:46:10,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:10,226 INFO L225 Difference]: With dead ends: 231 [2020-07-07 10:46:10,226 INFO L226 Difference]: Without dead ends: 151 [2020-07-07 10:46:10,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:46:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-07 10:46:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-07-07 10:46:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:46:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-07 10:46:10,267 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-07-07 10:46:10,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:10,267 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-07 10:46:10,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:46:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-07 10:46:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:46:10,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:10,270 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 10:46:10,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:46:10,270 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:10,271 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2020-07-07 10:46:10,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:10,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289719761] [2020-07-07 10:46:10,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,601 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:10,676 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 10:46:10,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289719761] [2020-07-07 10:46:10,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:10,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:46:10,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742418078] [2020-07-07 10:46:10,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:46:10,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:10,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:46:10,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:46:10,680 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-07-07 10:46:11,013 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:11,328 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:11,560 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:11,780 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:12,481 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:14,160 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-07-07 10:46:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:46:14,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:46:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:14,165 INFO L225 Difference]: With dead ends: 424 [2020-07-07 10:46:14,165 INFO L226 Difference]: Without dead ends: 325 [2020-07-07 10:46:14,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:46:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-07 10:46:14,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-07-07 10:46:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-07 10:46:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-07-07 10:46:14,238 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-07-07 10:46:14,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:14,238 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-07-07 10:46:14,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:46:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-07-07 10:46:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:46:14,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:14,241 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 10:46:14,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:46:14,242 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2020-07-07 10:46:14,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:14,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914086294] [2020-07-07 10:46:14,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,574 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:14,695 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 10:46:14,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914086294] [2020-07-07 10:46:14,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:14,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:46:14,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155486505] [2020-07-07 10:46:14,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:14,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:14,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:14,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:14,697 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-07-07 10:46:15,105 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:15,408 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:15,661 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:15,906 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:16,418 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:46:17,213 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:17,571 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:17,853 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:18,123 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:46:18,412 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:18,774 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:19,093 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:19,427 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:20,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:20,891 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-07-07 10:46:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:20,892 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:46:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:20,900 INFO L225 Difference]: With dead ends: 1047 [2020-07-07 10:46:20,900 INFO L226 Difference]: Without dead ends: 811 [2020-07-07 10:46:20,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:46:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-07-07 10:46:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-07-07 10:46:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-07-07 10:46:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-07-07 10:46:21,118 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-07-07 10:46:21,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:21,119 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-07-07 10:46:21,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-07-07 10:46:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:46:21,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:21,122 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 10:46:21,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:21,122 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:21,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:21,122 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2020-07-07 10:46:21,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:21,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660641356] [2020-07-07 10:46:21,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,390 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:21,478 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 10:46:21,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660641356] [2020-07-07 10:46:21,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:21,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:21,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41428430] [2020-07-07 10:46:21,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:21,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:21,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:21,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:21,480 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-07-07 10:46:21,772 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:22,599 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-07-07 10:46:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:22,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:46:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:22,607 INFO L225 Difference]: With dead ends: 1181 [2020-07-07 10:46:22,607 INFO L226 Difference]: Without dead ends: 499 [2020-07-07 10:46:22,610 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 10:46:22,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-07 10:46:22,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-07-07 10:46:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-07 10:46:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-07-07 10:46:22,684 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-07-07 10:46:22,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:22,685 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-07-07 10:46:22,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-07-07 10:46:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:46:22,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:22,687 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 10:46:22,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:22,688 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:22,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:22,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2020-07-07 10:46:22,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:22,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353576537] [2020-07-07 10:46:22,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:22,963 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,152 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 10:46:23,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353576537] [2020-07-07 10:46:23,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447668532] [2020-07-07 10:46:23,153 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 10:46:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:23,320 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:23,330 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:23,408 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 10:46:23,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:23,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:23,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399317904] [2020-07-07 10:46:23,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:23,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:23,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:23,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:23,411 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 12 states. [2020-07-07 10:46:23,938 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:24,500 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:25,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:25,463 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-07-07 10:46:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:46:25,463 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:46:25,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:25,464 INFO L225 Difference]: With dead ends: 605 [2020-07-07 10:46:25,464 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:25,466 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 10:46:25,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:25,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:25,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-07 10:46:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:25,468 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:25,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:25,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:25,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:25,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:25,820 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 219 [2020-07-07 10:46:26,413 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 216 [2020-07-07 10:46:29,331 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-07 10:46:29,916 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:30,279 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:30,494 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:46:30,604 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-07 10:46:30,715 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:31,292 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:31,867 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:46:32,547 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:32,966 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:46:33,153 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:33,564 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:34,189 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-07 10:46:34,328 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:34,714 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:35,390 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:46:35,503 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-07 10:46:36,182 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:46:36,319 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:36,431 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-07 10:46:36,879 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:37,488 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:37,846 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:38,242 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:38,729 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:46:39,108 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:39,244 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:39,781 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:46:40,173 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:40,178 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-07 10:46:40,178 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2020-07-07 10:46:40,178 INFO L268 CegarLoopResult]: For program point L243(lines 220 244) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-07-07 10:46:40,179 INFO L268 CegarLoopResult]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point L304(lines 277 305) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-07-07 10:46:40,180 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2020-07-07 10:46:40,180 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-07 10:46:40,181 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2020-07-07 10:46:40,181 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2020-07-07 10:46:40,181 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2020-07-07 10:46:40,181 INFO L264 CegarLoopResult]: At program point L895(line 895) 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 10:46:40,181 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2020-07-07 10:46:40,182 INFO L268 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L264 CegarLoopResult]: At program point L891(line 891) 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 10:46:40,183 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L268 CegarLoopResult]: For program point L889(lines 889 902) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L268 CegarLoopResult]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L271 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: true [2020-07-07 10:46:40,183 INFO L268 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2020-07-07 10:46:40,183 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-07 10:46:40,184 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-07 10:46:40,184 INFO L264 CegarLoopResult]: At program point L127(line 127) 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 10:46:40,184 INFO L264 CegarLoopResult]: At program point L126(line 126) 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 10:46:40,184 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) 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 10:46:40,185 INFO L264 CegarLoopResult]: At program point L126-1(line 126) 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 10:46:40,185 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-07 10:46:40,185 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-07 10:46:40,185 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:40,185 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:40,185 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-07 10:46:40,186 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-07 10:46:40,187 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2020-07-07 10:46:40,188 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 766 780) 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 10:46:40,188 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2020-07-07 10:46:40,188 INFO L264 CegarLoopResult]: At program point L772(line 772) 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 10:46:40,188 INFO L268 CegarLoopResult]: For program point L770(lines 770 776) no Hoare annotation was computed. [2020-07-07 10:46:40,188 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2020-07-07 10:46:40,188 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2020-07-07 10:46:40,188 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2020-07-07 10:46:40,189 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-07-07 10:46:40,189 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2020-07-07 10:46:40,189 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2020-07-07 10:46:40,189 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-07-07 10:46:40,189 INFO L271 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: true [2020-07-07 10:46:40,189 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2020-07-07 10:46:40,189 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-07 10:46:40,190 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-07-07 10:46:40,191 INFO L268 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L268 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) 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 10:46:40,192 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-07 10:46:40,192 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-07 10:46:40,193 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2020-07-07 10:46:40,193 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2020-07-07 10:46:40,193 INFO L271 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: true [2020-07-07 10:46:40,193 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-07 10:46:40,193 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2020-07-07 10:46:40,193 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2020-07-07 10:46:40,193 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2020-07-07 10:46:40,193 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2020-07-07 10:46:40,194 INFO L264 CegarLoopResult]: At program point L669(line 669) 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 10:46:40,194 INFO L268 CegarLoopResult]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2020-07-07 10:46:40,194 INFO L264 CegarLoopResult]: At program point L664(line 664) 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 10:46:40,194 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2020-07-07 10:46:40,194 INFO L264 CegarLoopResult]: At program point L660(line 660) 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 10:46:40,194 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 650 674) 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 10:46:40,194 INFO L268 CegarLoopResult]: For program point L658(lines 658 666) no Hoare annotation was computed. [2020-07-07 10:46:40,194 INFO L264 CegarLoopResult]: At program point L656(line 656) 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 10:46:40,194 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-07-07 10:46:40,195 INFO L268 CegarLoopResult]: For program point L654(lines 654 671) no Hoare annotation was computed. [2020-07-07 10:46:40,195 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-07-07 10:46:40,195 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-07-07 10:46:40,195 INFO L264 CegarLoopResult]: At program point testENTRY(lines 512 579) 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 10:46:40,195 INFO L264 CegarLoopResult]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:40,195 INFO L268 CegarLoopResult]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2020-07-07 10:46:40,195 INFO L264 CegarLoopResult]: At program point L562(line 562) 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 10:46:40,195 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-07 10:46:40,195 INFO L264 CegarLoopResult]: At program point L560-1(lines 552 567) 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 10:46:40,196 INFO L268 CegarLoopResult]: For program point L523(lines 522 571) no Hoare annotation was computed. [2020-07-07 10:46:40,196 INFO L264 CegarLoopResult]: At program point L554(line 554) 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 10:46:40,196 INFO L268 CegarLoopResult]: For program point L552(lines 552 567) no Hoare annotation was computed. [2020-07-07 10:46:40,196 INFO L264 CegarLoopResult]: At program point L544(line 544) 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 10:46:40,196 INFO L268 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-07-07 10:46:40,196 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2020-07-07 10:46:40,196 INFO L264 CegarLoopResult]: At program point L569(lines 522 571) 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 10:46:40,196 INFO L264 CegarLoopResult]: At program point L534(line 534) 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 10:46:40,196 INFO L268 CegarLoopResult]: For program point L532(lines 532 538) no Hoare annotation was computed. [2020-07-07 10:46:40,196 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point L437(lines 437 444) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point L431(lines 431 451) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2020-07-07 10:46:40,197 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point L384(lines 362 385) no Hoare annotation was computed. [2020-07-07 10:46:40,198 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L343(lines 343 359) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L403(lines 403 410) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L364(lines 363 383) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L395-1(line 395) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point L360(lines 360 401) no Hoare annotation was computed. [2020-07-07 10:46:40,199 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L365(lines 365 369) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2020-07-07 10:46:40,200 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2020-07-07 10:46:40,201 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2020-07-07 10:46:40,201 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2020-07-07 10:46:40,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,201 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#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~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.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~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.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)|) (= |#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~string24.offset| |old(#t~string24.offset)|) (= |#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~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)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:46:40,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-07-07 10:46:40,202 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:46:40,202 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) 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 10:46:40,202 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:46:40,203 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:46:40,203 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,203 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,203 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,203 INFO L264 CegarLoopResult]: At program point L605(line 605) 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 10:46:40,203 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) 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 (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:40,203 INFO L264 CegarLoopResult]: At program point L598(line 598) 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 10:46:40,204 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-07-07 10:46:40,204 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) 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 10:46:40,204 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-07-07 10:46:40,204 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-07-07 10:46:40,204 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-07 10:46:40,204 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-07 10:46:40,204 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-07 10:46:40,205 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-07 10:46:40,205 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-07 10:46:40,205 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-07 10:46:40,205 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-07 10:46:40,205 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-07 10:46:40,205 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-07 10:46:40,205 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-07 10:46:40,205 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:46:40,206 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-07 10:46:40,206 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-07 10:46:40,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,206 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 10:46:40,207 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:40,207 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:40,207 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2020-07-07 10:46:40,207 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 781 788) 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 10:46:40,207 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2020-07-07 10:46:40,207 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:46:40,207 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:46:40,208 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) 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 10:46:40,208 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2020-07-07 10:46:40,208 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2020-07-07 10:46:40,208 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2020-07-07 10:46:40,208 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2020-07-07 10:46:40,208 INFO L264 CegarLoopResult]: At program point L638(line 638) 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 10:46:40,209 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2020-07-07 10:46:40,209 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) 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 10:46:40,209 INFO L264 CegarLoopResult]: At program point L634(line 634) 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 10:46:40,209 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-07 10:46:40,209 INFO L264 CegarLoopResult]: At program point L630(line 630) 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 10:46:40,209 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-07-07 10:46:40,209 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-07-07 10:46:40,210 INFO L264 CegarLoopResult]: At program point L643(line 643) 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 10:46:40,210 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-07-07 10:46:40,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:40 BoogieIcfgContainer [2020-07-07 10:46:40,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:40,228 INFO L168 Benchmark]: Toolchain (without parser) took 35475.45 ms. Allocated memory was 146.8 MB in the beginning and 721.9 MB in the end (delta: 575.1 MB). Free memory was 103.3 MB in the beginning and 179.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 597.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,229 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.35 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,230 INFO L168 Benchmark]: Boogie Preprocessor took 97.55 ms. Allocated memory is still 204.5 MB. Free memory was 173.2 MB in the beginning and 168.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,231 INFO L168 Benchmark]: RCFGBuilder took 1115.59 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.2 MB in the beginning and 194.8 MB in the end (delta: -26.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,232 INFO L168 Benchmark]: TraceAbstraction took 33688.70 ms. Allocated memory was 236.5 MB in the beginning and 721.9 MB in the end (delta: 485.5 MB). Free memory was 194.8 MB in the beginning and 179.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 599.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:40,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 569.35 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.55 ms. Allocated memory is still 204.5 MB. Free memory was 173.2 MB in the beginning and 168.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.59 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.2 MB in the beginning and 194.8 MB in the end (delta: -26.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33688.70 ms. Allocated memory was 236.5 MB in the beginning and 721.9 MB in the end (delta: 485.5 MB). Free memory was 194.8 MB in the beginning and 179.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 599.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1624 SDslu, 619 SDs, 0 SdLazy, 3386 SolverSat, 1133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 174346 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 23684 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 123670 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...