/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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:27,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:27,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:27,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:27,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:27,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:27,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:27,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:27,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:27,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:27,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:27,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:27,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:27,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:27,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:27,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:27,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:27,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:27,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:27,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:27,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:27,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:27,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:27,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:27,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:27,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:27,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:27,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:27,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:27,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:27,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:27,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:27,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:27,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:27,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:27,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:27,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:27,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:27,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:27,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:27,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:27,605 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 10:44:27,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:27,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:27,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:27,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:27,630 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:27,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:27,631 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:27,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:27,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:27,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:27,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:27,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:27,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:27,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:27,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:27,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:27,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:27,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:27,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:27,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:27,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:27,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:27,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:27,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:27,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:27,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:27,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:27,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:27,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:27,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:27,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:27,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:27,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:27,959 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:27,959 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:27,960 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-07 10:44:28,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0c6206/4a5460c7cd114a2f94dc782fe584dd7f/FLAG80048e5c1 [2020-07-07 10:44:28,524 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:28,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-07 10:44:28,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0c6206/4a5460c7cd114a2f94dc782fe584dd7f/FLAG80048e5c1 [2020-07-07 10:44:28,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a0c6206/4a5460c7cd114a2f94dc782fe584dd7f [2020-07-07 10:44:28,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:28,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:28,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:28,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:28,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:28,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:28" (1/1) ... [2020-07-07 10:44:28,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcd9b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:28, skipping insertion in model container [2020-07-07 10:44:28,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:28" (1/1) ... [2020-07-07 10:44:28,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:28,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:29,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:29,417 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:29,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:29,534 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:29,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29 WrapperNode [2020-07-07 10:44:29,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:29,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:29,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:29,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:29,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (1/1) ... [2020-07-07 10:44:29,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:29,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:29,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:29,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:29,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (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 10:44:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:44:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:30,863 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:30,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:30,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:30 BoogieIcfgContainer [2020-07-07 10:44:30,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:30,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:30,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:30,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:30,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:28" (1/3) ... [2020-07-07 10:44:30,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221ab9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:30, skipping insertion in model container [2020-07-07 10:44:30,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:29" (2/3) ... [2020-07-07 10:44:30,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221ab9c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:30, skipping insertion in model container [2020-07-07 10:44:30,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:30" (3/3) ... [2020-07-07 10:44:30,891 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-07-07 10:44:30,903 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:30,913 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:30,925 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:30,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:30,951 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:30,951 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:30,951 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:30,952 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:30,952 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:30,952 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:30,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-07 10:44:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:30,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:30,989 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 10:44:30,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:30,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:30,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2020-07-07 10:44:31,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:31,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945671301] [2020-07-07 10:44:31,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,695 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,809 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 10:44:31,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945671301] [2020-07-07 10:44:31,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:31,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:31,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909069255] [2020-07-07 10:44:31,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:31,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:31,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:31,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:31,854 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-07-07 10:44:33,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:33,001 INFO L93 Difference]: Finished difference Result 296 states and 385 transitions. [2020-07-07 10:44:33,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:33,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:33,018 INFO L225 Difference]: With dead ends: 296 [2020-07-07 10:44:33,018 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:44:33,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:44:33,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 127. [2020-07-07 10:44:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-07 10:44:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2020-07-07 10:44:33,113 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2020-07-07 10:44:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:33,113 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2020-07-07 10:44:33,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2020-07-07 10:44:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:33,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:33,118 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] [2020-07-07 10:44:33,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:33,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:33,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2020-07-07 10:44:33,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:33,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601706412] [2020-07-07 10:44:33,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,449 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,505 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 10:44:33,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601706412] [2020-07-07 10:44:33,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:33,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:33,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601115488] [2020-07-07 10:44:33,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:33,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:33,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:33,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:33,528 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 4 states. [2020-07-07 10:44:33,943 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:34,709 INFO L93 Difference]: Finished difference Result 225 states and 272 transitions. [2020-07-07 10:44:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:34,710 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:34,713 INFO L225 Difference]: With dead ends: 225 [2020-07-07 10:44:34,713 INFO L226 Difference]: Without dead ends: 144 [2020-07-07 10:44:34,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 10:44:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-07 10:44:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2020-07-07 10:44:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-07 10:44:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-07-07 10:44:34,754 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2020-07-07 10:44:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:34,754 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-07-07 10:44:34,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-07-07 10:44:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-07 10:44:34,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:34,757 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] [2020-07-07 10:44:34,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:34,758 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:34,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:34,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2020-07-07 10:44:34,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:34,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263779003] [2020-07-07 10:44:34,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,109 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,206 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 10:44:35,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263779003] [2020-07-07 10:44:35,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:35,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:35,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977451272] [2020-07-07 10:44:35,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:35,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:35,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:35,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:35,211 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 8 states. [2020-07-07 10:44:35,599 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:35,909 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:36,143 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:36,371 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:37,479 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2020-07-07 10:44:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:37,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-07 10:44:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:37,482 INFO L225 Difference]: With dead ends: 238 [2020-07-07 10:44:37,482 INFO L226 Difference]: Without dead ends: 144 [2020-07-07 10:44:37,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-07 10:44:37,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2020-07-07 10:44:37,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-07 10:44:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2020-07-07 10:44:37,525 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2020-07-07 10:44:37,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:37,525 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2020-07-07 10:44:37,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2020-07-07 10:44:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-07 10:44:37,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:37,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:37,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:37,528 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:37,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:37,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2020-07-07 10:44:37,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:37,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226729749] [2020-07-07 10:44:37,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,839 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,915 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 10:44:37,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226729749] [2020-07-07 10:44:37,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:37,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:44:37,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745033360] [2020-07-07 10:44:37,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:44:37,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:37,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:44:37,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:44:37,918 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 6 states. [2020-07-07 10:44:38,261 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:39,379 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:39,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:39,984 INFO L93 Difference]: Finished difference Result 338 states and 414 transitions. [2020-07-07 10:44:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:39,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-07 10:44:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:39,990 INFO L225 Difference]: With dead ends: 338 [2020-07-07 10:44:39,990 INFO L226 Difference]: Without dead ends: 244 [2020-07-07 10:44:39,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:44:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-07-07 10:44:40,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 201. [2020-07-07 10:44:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-07 10:44:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2020-07-07 10:44:40,039 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2020-07-07 10:44:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:40,040 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2020-07-07 10:44:40,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:44:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2020-07-07 10:44:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-07 10:44:40,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:40,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:40,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:40,043 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:40,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:40,043 INFO L82 PathProgramCache]: Analyzing trace with hash 362669874, now seen corresponding path program 1 times [2020-07-07 10:44:40,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:40,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459870470] [2020-07-07 10:44:40,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,369 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:40,454 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 10:44:40,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459870470] [2020-07-07 10:44:40,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:40,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:40,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105375476] [2020-07-07 10:44:40,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:40,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:40,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:40,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:40,457 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2020-07-07 10:44:40,834 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:42,228 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:42,480 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:42,707 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:42,937 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:43,585 INFO L93 Difference]: Finished difference Result 555 states and 692 transitions. [2020-07-07 10:44:43,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:43,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-07-07 10:44:43,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:43,591 INFO L225 Difference]: With dead ends: 555 [2020-07-07 10:44:43,591 INFO L226 Difference]: Without dead ends: 378 [2020-07-07 10:44:43,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:43,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-07-07 10:44:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 335. [2020-07-07 10:44:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-07 10:44:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 389 transitions. [2020-07-07 10:44:43,669 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 389 transitions. Word has length 80 [2020-07-07 10:44:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:43,670 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 389 transitions. [2020-07-07 10:44:43,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 389 transitions. [2020-07-07 10:44:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:43,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:43,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:43,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:43,673 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash 871612076, now seen corresponding path program 1 times [2020-07-07 10:44:43,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:43,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701858576] [2020-07-07 10:44:43,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:43,959 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,094 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 10:44:44,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701858576] [2020-07-07 10:44:44,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:44,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:44:44,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038199604] [2020-07-07 10:44:44,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:44:44,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:44,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:44:44,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:44:44,097 INFO L87 Difference]: Start difference. First operand 335 states and 389 transitions. Second operand 9 states. [2020-07-07 10:44:44,587 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:45,137 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:46,731 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:48,296 INFO L93 Difference]: Finished difference Result 815 states and 1039 transitions. [2020-07-07 10:44:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:44:48,297 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-07 10:44:48,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:48,304 INFO L225 Difference]: With dead ends: 815 [2020-07-07 10:44:48,304 INFO L226 Difference]: Without dead ends: 627 [2020-07-07 10:44:48,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:44:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-07 10:44:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 556. [2020-07-07 10:44:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-07 10:44:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 666 transitions. [2020-07-07 10:44:48,410 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 666 transitions. Word has length 84 [2020-07-07 10:44:48,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:48,410 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 666 transitions. [2020-07-07 10:44:48,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:44:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 666 transitions. [2020-07-07 10:44:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:48,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:48,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:48,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:44:48,413 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:48,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:48,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2020-07-07 10:44:48,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:48,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421825870] [2020-07-07 10:44:48,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,665 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,819 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 10:44:48,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421825870] [2020-07-07 10:44:48,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:48,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:48,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385810657] [2020-07-07 10:44:48,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:48,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:48,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:48,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:48,823 INFO L87 Difference]: Start difference. First operand 556 states and 666 transitions. Second operand 8 states. [2020-07-07 10:44:49,910 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:50,135 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:50,367 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:51,201 INFO L93 Difference]: Finished difference Result 1006 states and 1249 transitions. [2020-07-07 10:44:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:51,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-07 10:44:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:51,206 INFO L225 Difference]: With dead ends: 1006 [2020-07-07 10:44:51,207 INFO L226 Difference]: Without dead ends: 601 [2020-07-07 10:44:51,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:51,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-07 10:44:51,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 556. [2020-07-07 10:44:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-07 10:44:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 665 transitions. [2020-07-07 10:44:51,330 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 665 transitions. Word has length 84 [2020-07-07 10:44:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:51,331 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 665 transitions. [2020-07-07 10:44:51,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 665 transitions. [2020-07-07 10:44:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:51,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:51,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:51,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:44:51,333 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:51,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2020-07-07 10:44:51,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:51,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138984367] [2020-07-07 10:44:51,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,575 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,696 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 10:44:51,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138984367] [2020-07-07 10:44:51,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:51,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:44:51,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227220443] [2020-07-07 10:44:51,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:44:51,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:51,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:44:51,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:51,699 INFO L87 Difference]: Start difference. First operand 556 states and 665 transitions. Second operand 12 states. [2020-07-07 10:44:52,224 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:52,452 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:52,687 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:53,379 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:53,608 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:44:53,857 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:54,084 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:54,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:54,953 INFO L93 Difference]: Finished difference Result 1138 states and 1405 transitions. [2020-07-07 10:44:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:44:54,954 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-07-07 10:44:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:54,958 INFO L225 Difference]: With dead ends: 1138 [2020-07-07 10:44:54,958 INFO L226 Difference]: Without dead ends: 606 [2020-07-07 10:44:54,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:44:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-07 10:44:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 563. [2020-07-07 10:44:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-07-07 10:44:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 672 transitions. [2020-07-07 10:44:55,079 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 672 transitions. Word has length 84 [2020-07-07 10:44:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:55,080 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 672 transitions. [2020-07-07 10:44:55,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:44:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 672 transitions. [2020-07-07 10:44:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-07 10:44:55,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:55,083 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:55,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:44:55,083 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:55,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:55,084 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2020-07-07 10:44:55,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:55,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277228505] [2020-07-07 10:44:55,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,397 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:44:55,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277228505] [2020-07-07 10:44:55,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540105516] [2020-07-07 10:44:55,715 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 10:44:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,010 INFO L264 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-07 10:44:56,037 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:44:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:56,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:44:56,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 17 [2020-07-07 10:44:56,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835292309] [2020-07-07 10:44:56,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:56,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:56,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:56,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:44:56,266 INFO L87 Difference]: Start difference. First operand 563 states and 672 transitions. Second operand 8 states. [2020-07-07 10:44:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:57,197 INFO L93 Difference]: Finished difference Result 1604 states and 1956 transitions. [2020-07-07 10:44:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:57,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-07-07 10:44:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:57,205 INFO L225 Difference]: With dead ends: 1604 [2020-07-07 10:44:57,205 INFO L226 Difference]: Without dead ends: 1065 [2020-07-07 10:44:57,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:44:57,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-07 10:44:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1062. [2020-07-07 10:44:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-07-07 10:44:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1269 transitions. [2020-07-07 10:44:57,448 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1269 transitions. Word has length 96 [2020-07-07 10:44:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:57,451 INFO L479 AbstractCegarLoop]: Abstraction has 1062 states and 1269 transitions. [2020-07-07 10:44:57,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1269 transitions. [2020-07-07 10:44:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-07 10:44:57,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:57,455 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:57,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:44:57,670 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:57,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:57,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times [2020-07-07 10:44:57,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:57,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480760304] [2020-07-07 10:44:57,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,043 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:44:58,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480760304] [2020-07-07 10:44:58,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:58,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 10:44:58,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681804684] [2020-07-07 10:44:58,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 10:44:58,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 10:44:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:58,185 INFO L87 Difference]: Start difference. First operand 1062 states and 1269 transitions. Second operand 14 states. [2020-07-07 10:44:58,886 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:59,124 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:59,367 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:59,952 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:00,771 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:01,150 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:01,774 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:02,053 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:02,335 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:04,378 INFO L93 Difference]: Finished difference Result 2205 states and 2781 transitions. [2020-07-07 10:45:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-07 10:45:04,380 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2020-07-07 10:45:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:04,387 INFO L225 Difference]: With dead ends: 2205 [2020-07-07 10:45:04,388 INFO L226 Difference]: Without dead ends: 1167 [2020-07-07 10:45:04,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2020-07-07 10:45:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-07-07 10:45:04,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 978. [2020-07-07 10:45:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-07-07 10:45:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1149 transitions. [2020-07-07 10:45:04,555 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1149 transitions. Word has length 100 [2020-07-07 10:45:04,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:04,555 INFO L479 AbstractCegarLoop]: Abstraction has 978 states and 1149 transitions. [2020-07-07 10:45:04,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 10:45:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1149 transitions. [2020-07-07 10:45:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-07 10:45:04,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:04,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:04,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:45:04,558 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:04,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2020-07-07 10:45:04,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:04,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179782608] [2020-07-07 10:45:04,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,891 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:45:05,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179782608] [2020-07-07 10:45:05,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:05,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:45:05,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475544965] [2020-07-07 10:45:05,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:45:05,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:05,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:45:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:05,091 INFO L87 Difference]: Start difference. First operand 978 states and 1149 transitions. Second operand 13 states. [2020-07-07 10:45:06,110 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:06,377 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:06,636 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:07,762 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:08,277 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:08,609 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:08,911 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:09,684 INFO L93 Difference]: Finished difference Result 1688 states and 1988 transitions. [2020-07-07 10:45:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:45:09,685 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 100 [2020-07-07 10:45:09,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:09,686 INFO L225 Difference]: With dead ends: 1688 [2020-07-07 10:45:09,686 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:45:09,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:45:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:45:09,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:45:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:45:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:45:09,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-07 10:45:09,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:09,694 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:45:09,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:45:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:45:09,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:45:09,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 10:45:09,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:45:10,880 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-07 10:45:13,457 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 239 [2020-07-07 10:45:13,859 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 239 [2020-07-07 10:45:14,174 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-07 10:45:14,651 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-07 10:45:15,737 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:16,902 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-07 10:45:17,067 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:17,645 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-07 10:45:17,812 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:18,052 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-07-07 10:45:18,215 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-07 10:45:19,242 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 174 DAG size of output: 40 [2020-07-07 10:45:20,107 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:20,286 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:20,558 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:45:21,130 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-07 10:45:22,047 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-07-07 10:45:23,251 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-07 10:45:23,462 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:23,574 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-07-07 10:45:23,747 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:23,937 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-07 10:45:25,450 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 174 DAG size of output: 37 [2020-07-07 10:45:25,610 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:45:25,791 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-07 10:45:25,958 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:45:26,530 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-07 10:45:27,656 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-07 10:45:27,821 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-07 10:45:28,621 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:29,601 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-07 10:45:30,136 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-07-07 10:45:30,696 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 38 [2020-07-07 10:45:31,616 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 44 [2020-07-07 10:45:32,182 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 38 [2020-07-07 10:45:33,033 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:45:33,214 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:33,802 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-07 10:45:33,981 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:34,897 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-07 10:45:35,079 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:35,261 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:35,441 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:35,634 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:35,813 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:45:36,399 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-07 10:45:36,588 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-07 10:45:37,487 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-07-07 10:45:37,669 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-07-07 10:45:37,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-07-07 10:45:37,675 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2020-07-07 10:45:37,676 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2020-07-07 10:45:37,676 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-07 10:45:37,676 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,677 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,677 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,677 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,677 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-07 10:45:37,677 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-07 10:45:37,677 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,678 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,678 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-07 10:45:37,678 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:45:37,678 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-07 10:45:37,678 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:45:37,678 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-07 10:45:37,679 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-07-07 10:45:37,680 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point L364-1(line 364) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-07-07 10:45:37,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2020-07-07 10:45:37,682 INFO L271 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: true [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-07-07 10:45:37,682 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-07-07 10:45:37,683 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse4))) [2020-07-07 10:45:37,684 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse3))) [2020-07-07 10:45:37,684 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-07-07 10:45:37,684 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse1 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4))) [2020-07-07 10:45:37,684 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) (not (= 0 processEnvironment_~tmp~2)))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse3 .cse2) (or .cse0 .cse4 .cse6 .cse7 .cse2) (or .cse4 .cse6 .cse3 .cse7 .cse2) (or .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,684 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-07 10:45:37,684 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse0 .cse7 .cse4) (or .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:37,684 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-07-07 10:45:37,685 INFO L264 CegarLoopResult]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,685 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L268 CegarLoopResult]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L264 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:37,685 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-07 10:45:37,685 INFO L264 CegarLoopResult]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,686 INFO L268 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2020-07-07 10:45:37,686 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,686 INFO L268 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-07-07 10:45:37,686 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,686 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-07 10:45:37,686 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-07-07 10:45:37,686 INFO L264 CegarLoopResult]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,686 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-07 10:45:37,686 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-07-07 10:45:37,687 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:37,687 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point L454(lines 454 462) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-07 10:45:37,688 INFO L268 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-07-07 10:45:37,689 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse4)))) [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2020-07-07 10:45:37,690 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:37,690 INFO L268 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L271 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: true [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2020-07-07 10:45:37,691 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-07 10:45:37,692 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse5 .cse4))) [2020-07-07 10:45:37,692 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-07 10:45:37,692 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,692 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,692 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,692 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse10 .cse11)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse8 .cse6 .cse9 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4)))) [2020-07-07 10:45:37,692 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse9 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse9 .cse4) (or .cse8 .cse1 .cse10 .cse4) (or .cse1 .cse10 .cse2 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4)))) [2020-07-07 10:45:37,692 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and .cse14 .cse13)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= 0 ~pumpRunning~0) .cse14)) (.cse10 (and (= 1 ~waterLevel~0) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse12 (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse4) (or .cse8 .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse10 .cse1 .cse2 .cse11 .cse4) (or .cse9 .cse6 .cse12 .cse4) (or .cse6 .cse12 .cse2 .cse4) (or .cse5 .cse9 .cse6 .cse7 .cse4)))) [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse4 .cse3) (or .cse1 .cse4 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-07 10:45:37,693 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-07 10:45:37,693 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-07 10:45:37,693 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-07 10:45:37,694 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-07 10:45:37,694 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-07 10:45:37,694 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2020-07-07 10:45:37,694 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2020-07-07 10:45:37,694 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2020-07-07 10:45:37,694 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2020-07-07 10:45:37,694 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2020-07-07 10:45:37,694 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-07 10:45:37,694 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2020-07-07 10:45:37,695 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse5 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:45:37,695 INFO L268 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-07-07 10:45:37,695 INFO L268 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2020-07-07 10:45:37,695 INFO L268 CegarLoopResult]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2020-07-07 10:45:37,695 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-07 10:45:37,695 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-07 10:45:37,695 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-07 10:45:37,695 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-07 10:45:37,696 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-07 10:45:37,696 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:45:37,696 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2020-07-07 10:45:37,696 INFO L268 CegarLoopResult]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2020-07-07 10:45:37,696 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-07 10:45:37,696 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-07 10:45:37,696 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,696 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:45:37,696 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:37,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:37,697 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2020-07-07 10:45:37,697 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse7 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse3 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse7) (or .cse6 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse0 .cse3 .cse7))) [2020-07-07 10:45:37,697 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2020-07-07 10:45:37,697 INFO L268 CegarLoopResult]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2020-07-07 10:45:37,697 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2020-07-07 10:45:37,697 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse4))) [2020-07-07 10:45:37,698 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2020-07-07 10:45:37,698 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-07-07 10:45:37,698 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2020-07-07 10:45:37,698 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2020-07-07 10:45:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:37 BoogieIcfgContainer [2020-07-07 10:45:37,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:37,720 INFO L168 Benchmark]: Toolchain (without parser) took 68837.23 ms. Allocated memory was 136.3 MB in the beginning and 919.6 MB in the end (delta: 783.3 MB). Free memory was 98.4 MB in the beginning and 268.0 MB in the end (delta: -169.6 MB). Peak memory consumption was 809.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,721 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.21 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 168.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,722 INFO L168 Benchmark]: Boogie Preprocessor took 95.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,723 INFO L168 Benchmark]: RCFGBuilder took 1249.12 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 195.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,724 INFO L168 Benchmark]: TraceAbstraction took 66836.49 ms. Allocated memory was 230.2 MB in the beginning and 919.6 MB in the end (delta: 689.4 MB). Free memory was 195.3 MB in the beginning and 268.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 812.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:37,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.21 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 168.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.66 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.12 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 195.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66836.49 ms. Allocated memory was 230.2 MB in the beginning and 919.6 MB in the end (delta: 689.4 MB). Free memory was 195.3 MB in the beginning and 268.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 812.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) && \old(waterLevel) + 1 <= waterLevel)) || !(1 == \old(systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 31.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1475 SDtfs, 2578 SDslu, 2330 SDs, 0 SdLazy, 8141 SolverSat, 1724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1062occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 522 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1904 PreInvPairs, 2013 NumberOfFragments, 3081 HoareAnnotationTreeSize, 1904 FomulaSimplifications, 10771871 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 168248 FormulaSimplificationTreeSizeReductionInter, 22.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 297947 SizeOfPredicates, 6 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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...