/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_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:39:29,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:39:29,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:39:29,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:39:29,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:39:29,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:39:29,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:39:29,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:39:29,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:39:29,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:39:29,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:39:29,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:39:29,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:39:29,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:39:29,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:39:29,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:39:29,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:39:29,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:39:29,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:39:29,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:39:29,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:39:29,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:39:29,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:39:29,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:39:29,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:39:29,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:39:29,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:39:29,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:39:29,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:39:29,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:39:29,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:39:29,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:39:29,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:39:29,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:39:29,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:39:29,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:39:29,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:39:29,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:39:29,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:39:29,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:39:29,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:39:29,737 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 [2020-07-17 11:39:29,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:39:29,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:39:29,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:39:29,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:39:29,762 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:39:29,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:39:29,763 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:39:29,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:39:29,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:39:29,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:39:29,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:39:29,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:39:29,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:39:29,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:39:29,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:39:29,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:39:29,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:39:29,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:39:29,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:39:29,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:39:29,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:39:29,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:39:29,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:39:29,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:39:29,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:39:29,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:39:29,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:39:29,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:39:29,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:39:29,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:39:30,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:39:30,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:39:30,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:39:30,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:39:30,079 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:39:30,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-17 11:39:30,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154089daf/78f5de4d1db0415eb711fd341372a15d/FLAG322e5cbde [2020-07-17 11:39:30,665 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:39:30,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-17 11:39:30,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154089daf/78f5de4d1db0415eb711fd341372a15d/FLAG322e5cbde [2020-07-17 11:39:30,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154089daf/78f5de4d1db0415eb711fd341372a15d [2020-07-17 11:39:30,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:39:30,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:39:30,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:39:30,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:39:30,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:39:30,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:39:30" (1/1) ... [2020-07-17 11:39:30,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50229795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:30, skipping insertion in model container [2020-07-17 11:39:30,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:39:30" (1/1) ... [2020-07-17 11:39:31,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:39:31,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:39:31,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:39:31,470 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:39:31,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:39:31,642 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:39:31,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31 WrapperNode [2020-07-17 11:39:31,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:39:31,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:39:31,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:39:31,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:39:31,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... [2020-07-17 11:39:31,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:39:31,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:39:31,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:39:31,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:39:31,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:39:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:39:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:39:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:39:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:39:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:39:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:39:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:39:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:39:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:39:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:39:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:39:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:39:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:39:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:39:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:39:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:39:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:39:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:39:32,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:39:32,953 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:39:32,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:39:32 BoogieIcfgContainer [2020-07-17 11:39:32,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:39:32,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:39:32,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:39:32,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:39:32,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:39:30" (1/3) ... [2020-07-17 11:39:32,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb01ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:39:32, skipping insertion in model container [2020-07-17 11:39:32,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:31" (2/3) ... [2020-07-17 11:39:32,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb01ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:39:32, skipping insertion in model container [2020-07-17 11:39:32,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:39:32" (3/3) ... [2020-07-17 11:39:32,966 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-07-17 11:39:32,977 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:39:32,985 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:39:32,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:39:33,023 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:39:33,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:39:33,024 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:39:33,024 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:39:33,024 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:39:33,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:39:33,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:39:33,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:39:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-17 11:39:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:39:33,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:33,061 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] [2020-07-17 11:39:33,061 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:33,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2020-07-17 11:39:33,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:33,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893228220] [2020-07-17 11:39:33,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,797 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:33,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893228220] [2020-07-17 11:39:33,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:33,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:39:33,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654279609] [2020-07-17 11:39:33,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:39:33,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:33,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:39:33,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:39:33,921 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-07-17 11:39:35,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:35,131 INFO L93 Difference]: Finished difference Result 341 states and 436 transitions. [2020-07-17 11:39:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:39:35,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:39:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:35,148 INFO L225 Difference]: With dead ends: 341 [2020-07-17 11:39:35,148 INFO L226 Difference]: Without dead ends: 186 [2020-07-17 11:39:35,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:39:35,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-17 11:39:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-07-17 11:39:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-17 11:39:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-07-17 11:39:35,248 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2020-07-17 11:39:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:35,249 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-07-17 11:39:35,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:39:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-07-17 11:39:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:39:35,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:35,253 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] [2020-07-17 11:39:35,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:39:35,254 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:35,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:35,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2020-07-17 11:39:35,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:35,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621703841] [2020-07-17 11:39:35,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,633 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:35,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621703841] [2020-07-17 11:39:35,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:35,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:39:35,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864786157] [2020-07-17 11:39:35,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:39:35,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:35,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:39:35,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:39:35,729 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 9 states. [2020-07-17 11:39:36,141 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:36,482 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:36,723 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:36,969 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:38,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:38,422 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2020-07-17 11:39:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:39:38,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-17 11:39:38,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:38,428 INFO L225 Difference]: With dead ends: 314 [2020-07-17 11:39:38,428 INFO L226 Difference]: Without dead ends: 186 [2020-07-17 11:39:38,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:39:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-17 11:39:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 156. [2020-07-17 11:39:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-17 11:39:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-07-17 11:39:38,506 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2020-07-17 11:39:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:38,507 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-07-17 11:39:38,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:39:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-07-17 11:39:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-17 11:39:38,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:38,517 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] [2020-07-17 11:39:38,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:39:38,518 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:38,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:38,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2020-07-17 11:39:38,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:38,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434070256] [2020-07-17 11:39:38,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,892 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:38,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434070256] [2020-07-17 11:39:38,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:38,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:39:38,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210640682] [2020-07-17 11:39:38,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:39:38,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:38,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:39:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:39:38,993 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 7 states. [2020-07-17 11:39:39,372 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:40,758 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:41,506 INFO L93 Difference]: Finished difference Result 457 states and 594 transitions. [2020-07-17 11:39:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:39:41,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-07-17 11:39:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:41,512 INFO L225 Difference]: With dead ends: 457 [2020-07-17 11:39:41,512 INFO L226 Difference]: Without dead ends: 329 [2020-07-17 11:39:41,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:39:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-07-17 11:39:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 268. [2020-07-17 11:39:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-17 11:39:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 319 transitions. [2020-07-17 11:39:41,593 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 319 transitions. Word has length 82 [2020-07-17 11:39:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:41,594 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 319 transitions. [2020-07-17 11:39:41,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:39:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 319 transitions. [2020-07-17 11:39:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-17 11:39:41,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:41,596 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] [2020-07-17 11:39:41,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:39:41,596 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:41,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:41,597 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2020-07-17 11:39:41,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:41,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867359634] [2020-07-17 11:39:41,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,867 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:39:42,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867359634] [2020-07-17 11:39:42,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:42,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:39:42,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431726719] [2020-07-17 11:39:42,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:39:42,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:42,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:39:42,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:39:42,002 INFO L87 Difference]: Start difference. First operand 268 states and 319 transitions. Second operand 9 states. [2020-07-17 11:39:42,403 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:43,005 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:43,736 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:44,055 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:44,491 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:44,725 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:45,423 INFO L93 Difference]: Finished difference Result 558 states and 704 transitions. [2020-07-17 11:39:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:39:45,424 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-07-17 11:39:45,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:45,428 INFO L225 Difference]: With dead ends: 558 [2020-07-17 11:39:45,429 INFO L226 Difference]: Without dead ends: 318 [2020-07-17 11:39:45,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:39:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-17 11:39:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 267. [2020-07-17 11:39:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-07-17 11:39:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 316 transitions. [2020-07-17 11:39:45,481 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 316 transitions. Word has length 96 [2020-07-17 11:39:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:45,481 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 316 transitions. [2020-07-17 11:39:45,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:39:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 316 transitions. [2020-07-17 11:39:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:39:45,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:45,483 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] [2020-07-17 11:39:45,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:39:45,484 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:45,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:45,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1863541240, now seen corresponding path program 1 times [2020-07-17 11:39:45,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:45,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91440454] [2020-07-17 11:39:45,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,772 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:45,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91440454] [2020-07-17 11:39:45,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:45,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:39:45,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460781614] [2020-07-17 11:39:45,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:39:45,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:45,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:39:45,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:39:45,901 INFO L87 Difference]: Start difference. First operand 267 states and 316 transitions. Second operand 10 states. [2020-07-17 11:39:46,569 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:47,192 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:47,433 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:47,688 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:47,913 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:48,840 INFO L93 Difference]: Finished difference Result 518 states and 636 transitions. [2020-07-17 11:39:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 11:39:48,842 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-17 11:39:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:48,846 INFO L225 Difference]: With dead ends: 518 [2020-07-17 11:39:48,846 INFO L226 Difference]: Without dead ends: 279 [2020-07-17 11:39:48,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:39:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-17 11:39:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 242. [2020-07-17 11:39:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-17 11:39:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2020-07-17 11:39:48,892 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 93 [2020-07-17 11:39:48,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:48,893 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2020-07-17 11:39:48,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:39:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2020-07-17 11:39:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 11:39:48,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:48,894 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] [2020-07-17 11:39:48,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:39:48,895 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:48,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:48,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2020-07-17 11:39:48,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:48,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739960528] [2020-07-17 11:39:48,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,183 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:49,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739960528] [2020-07-17 11:39:49,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:49,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:39:49,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076400146] [2020-07-17 11:39:49,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:39:49,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:49,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:39:49,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:39:49,359 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 11 states. [2020-07-17 11:39:50,013 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:50,244 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:50,482 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:51,143 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:51,399 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:51,632 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:52,573 INFO L93 Difference]: Finished difference Result 500 states and 606 transitions. [2020-07-17 11:39:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:39:52,574 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2020-07-17 11:39:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:52,576 INFO L225 Difference]: With dead ends: 500 [2020-07-17 11:39:52,576 INFO L226 Difference]: Without dead ends: 286 [2020-07-17 11:39:52,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:39:52,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-17 11:39:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 246. [2020-07-17 11:39:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-07-17 11:39:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2020-07-17 11:39:52,620 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2020-07-17 11:39:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:52,620 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2020-07-17 11:39:52,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:39:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2020-07-17 11:39:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 11:39:52,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:52,622 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] [2020-07-17 11:39:52,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:39:52,623 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:52,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:52,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2020-07-17 11:39:52,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:52,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311397912] [2020-07-17 11:39:52,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,883 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:53,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311397912] [2020-07-17 11:39:53,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:53,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:39:53,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061773514] [2020-07-17 11:39:53,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:39:53,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:53,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:39:53,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:39:53,020 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 7 states. [2020-07-17 11:39:53,372 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:54,155 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:56,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:56,166 INFO L93 Difference]: Finished difference Result 781 states and 991 transitions. [2020-07-17 11:39:56,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:39:56,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2020-07-17 11:39:56,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:56,173 INFO L225 Difference]: With dead ends: 781 [2020-07-17 11:39:56,173 INFO L226 Difference]: Without dead ends: 563 [2020-07-17 11:39:56,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:39:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-07-17 11:39:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 503. [2020-07-17 11:39:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-07-17 11:39:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 600 transitions. [2020-07-17 11:39:56,258 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 600 transitions. Word has length 97 [2020-07-17 11:39:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:56,258 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 600 transitions. [2020-07-17 11:39:56,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:39:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 600 transitions. [2020-07-17 11:39:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-17 11:39:56,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:56,260 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, 1] [2020-07-17 11:39:56,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:39:56,261 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:56,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:56,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2020-07-17 11:39:56,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:56,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968858796] [2020-07-17 11:39:56,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,572 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:39:56,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968858796] [2020-07-17 11:39:56,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:39:56,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:39:56,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973991154] [2020-07-17 11:39:56,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:39:56,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:56,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:39:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:39:56,784 INFO L87 Difference]: Start difference. First operand 503 states and 600 transitions. Second operand 12 states. [2020-07-17 11:39:57,292 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:57,882 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:58,923 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:59,223 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:59,461 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:59,721 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:59,967 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:01,199 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:01,473 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:02,237 INFO L93 Difference]: Finished difference Result 1476 states and 1845 transitions. [2020-07-17 11:40:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:40:02,238 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-07-17 11:40:02,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:02,246 INFO L225 Difference]: With dead ends: 1476 [2020-07-17 11:40:02,246 INFO L226 Difference]: Without dead ends: 1001 [2020-07-17 11:40:02,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:40:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-17 11:40:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 851. [2020-07-17 11:40:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2020-07-17 11:40:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 998 transitions. [2020-07-17 11:40:02,430 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 998 transitions. Word has length 101 [2020-07-17 11:40:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:02,432 INFO L479 AbstractCegarLoop]: Abstraction has 851 states and 998 transitions. [2020-07-17 11:40:02,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:40:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 998 transitions. [2020-07-17 11:40:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-17 11:40:02,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:02,438 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:02,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:40:02,439 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:02,439 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2020-07-17 11:40:02,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:02,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908175024] [2020-07-17 11:40:02,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,767 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:40:03,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908175024] [2020-07-17 11:40:03,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968455365] [2020-07-17 11:40:03,130 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 [2020-07-17 11:40:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,343 INFO L264 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:40:03,359 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:40:03,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:03,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:40:03,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15415422] [2020-07-17 11:40:03,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:40:03,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:03,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:40:03,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:40:03,556 INFO L87 Difference]: Start difference. First operand 851 states and 998 transitions. Second operand 20 states. [2020-07-17 11:40:04,529 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:04,901 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:05,185 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:05,450 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:06,148 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:06,437 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:06,805 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:40:07,568 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:07,930 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:09,041 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:40:09,359 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:09,691 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:10,293 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:10,741 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:11,463 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:12,015 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:40:12,508 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:13,033 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:13,777 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:40:14,107 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:14,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:14,323 INFO L93 Difference]: Finished difference Result 1894 states and 2279 transitions. [2020-07-17 11:40:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-17 11:40:14,327 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 178 [2020-07-17 11:40:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:14,333 INFO L225 Difference]: With dead ends: 1894 [2020-07-17 11:40:14,333 INFO L226 Difference]: Without dead ends: 1071 [2020-07-17 11:40:14,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-17 11:40:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2020-07-17 11:40:14,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 965. [2020-07-17 11:40:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-07-17 11:40:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1134 transitions. [2020-07-17 11:40:14,515 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1134 transitions. Word has length 178 [2020-07-17 11:40:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:14,515 INFO L479 AbstractCegarLoop]: Abstraction has 965 states and 1134 transitions. [2020-07-17 11:40:14,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:40:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1134 transitions. [2020-07-17 11:40:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-07-17 11:40:14,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:14,525 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:14,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:40:14,741 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:14,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:14,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2132607531, now seen corresponding path program 1 times [2020-07-17 11:40:14,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:14,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554572124] [2020-07-17 11:40:14,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,198 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-07-17 11:40:15,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554572124] [2020-07-17 11:40:15,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377481451] [2020-07-17 11:40:15,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:40:16,189 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 208 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-17 11:40:16,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:16,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:40:16,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103955232] [2020-07-17 11:40:16,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:40:16,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:16,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:40:16,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:40:16,566 INFO L87 Difference]: Start difference. First operand 965 states and 1134 transitions. Second operand 24 states. [2020-07-17 11:40:17,269 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:18,128 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:18,942 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:19,736 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:20,263 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:20,744 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:21,015 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:21,306 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:21,575 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:24,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:24,621 INFO L93 Difference]: Finished difference Result 2290 states and 3007 transitions. [2020-07-17 11:40:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 11:40:24,621 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 301 [2020-07-17 11:40:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:24,631 INFO L225 Difference]: With dead ends: 2290 [2020-07-17 11:40:24,632 INFO L226 Difference]: Without dead ends: 1372 [2020-07-17 11:40:24,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 412 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 11:40:24,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-07-17 11:40:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 941. [2020-07-17 11:40:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-07-17 11:40:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1086 transitions. [2020-07-17 11:40:24,792 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1086 transitions. Word has length 301 [2020-07-17 11:40:24,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:24,793 INFO L479 AbstractCegarLoop]: Abstraction has 941 states and 1086 transitions. [2020-07-17 11:40:24,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:40:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1086 transitions. [2020-07-17 11:40:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-17 11:40:24,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:24,799 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:25,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:40:25,013 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:25,013 INFO L82 PathProgramCache]: Analyzing trace with hash 955877389, now seen corresponding path program 1 times [2020-07-17 11:40:25,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:25,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885780175] [2020-07-17 11:40:25,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,350 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 46 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-07-17 11:40:25,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885780175] [2020-07-17 11:40:25,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482612559] [2020-07-17 11:40:25,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,095 INFO L264 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-17 11:40:26,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 244 proven. 18 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-17 11:40:26,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:26,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:40:26,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398626053] [2020-07-17 11:40:26,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:40:26,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:26,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:40:26,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:40:26,529 INFO L87 Difference]: Start difference. First operand 941 states and 1086 transitions. Second operand 22 states. [2020-07-17 11:40:27,628 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:40:28,200 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:28,684 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:29,162 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:30,118 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:40:31,026 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:31,645 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:40:32,119 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:40:32,796 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:33,790 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:34,046 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:34,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:34,647 INFO L93 Difference]: Finished difference Result 1920 states and 2284 transitions. [2020-07-17 11:40:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:40:34,648 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 313 [2020-07-17 11:40:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:34,654 INFO L225 Difference]: With dead ends: 1920 [2020-07-17 11:40:34,655 INFO L226 Difference]: Without dead ends: 1026 [2020-07-17 11:40:34,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:40:34,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-07-17 11:40:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 941. [2020-07-17 11:40:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-07-17 11:40:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1082 transitions. [2020-07-17 11:40:34,858 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1082 transitions. Word has length 313 [2020-07-17 11:40:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:34,859 INFO L479 AbstractCegarLoop]: Abstraction has 941 states and 1082 transitions. [2020-07-17 11:40:34,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:40:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1082 transitions. [2020-07-17 11:40:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-17 11:40:34,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:34,865 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:35,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:40:35,079 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:35,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:35,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1336242427, now seen corresponding path program 1 times [2020-07-17 11:40:35,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:35,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165091658] [2020-07-17 11:40:35,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,404 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-07-17 11:40:35,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165091658] [2020-07-17 11:40:35,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041617470] [2020-07-17 11:40:35,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:36,111 INFO L264 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:40:36,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 171 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-17 11:40:36,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:36,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-17 11:40:36,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8260190] [2020-07-17 11:40:36,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:40:36,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:36,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:40:36,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:40:36,354 INFO L87 Difference]: Start difference. First operand 941 states and 1082 transitions. Second operand 22 states. [2020-07-17 11:40:36,907 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:37,699 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:38,032 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:38,429 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:41,774 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:42,063 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:42,339 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:42,584 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:43,086 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 11:40:43,346 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:43,835 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 11:40:44,113 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:44,629 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:40:45,094 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:40:46,221 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:46,555 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:46,853 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:47,157 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:47,455 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:47,731 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:48,255 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:48,536 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:49,047 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:49,301 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:49,807 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 11:40:50,292 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 11:40:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:54,238 INFO L93 Difference]: Finished difference Result 3553 states and 4605 transitions. [2020-07-17 11:40:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-17 11:40:54,239 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 314 [2020-07-17 11:40:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:54,253 INFO L225 Difference]: With dead ends: 3553 [2020-07-17 11:40:54,253 INFO L226 Difference]: Without dead ends: 2648 [2020-07-17 11:40:54,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3971 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=2040, Invalid=9516, Unknown=0, NotChecked=0, Total=11556 [2020-07-17 11:40:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2020-07-17 11:40:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2031. [2020-07-17 11:40:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2020-07-17 11:40:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2290 transitions. [2020-07-17 11:40:54,651 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2290 transitions. Word has length 314 [2020-07-17 11:40:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:54,653 INFO L479 AbstractCegarLoop]: Abstraction has 2031 states and 2290 transitions. [2020-07-17 11:40:54,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:40:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2290 transitions. [2020-07-17 11:40:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-17 11:40:54,660 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:54,660 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:54,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:54,875 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1190207287, now seen corresponding path program 1 times [2020-07-17 11:40:54,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:54,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959028898] [2020-07-17 11:40:54,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,216 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 114 proven. 73 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-07-17 11:40:55,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959028898] [2020-07-17 11:40:55,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876771761] [2020-07-17 11:40:55,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,957 INFO L264 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-17 11:40:55,966 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 226 proven. 49 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-07-17 11:40:56,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:56,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2020-07-17 11:40:56,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101124887] [2020-07-17 11:40:56,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-17 11:40:56,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:56,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-17 11:40:56,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:40:56,320 INFO L87 Difference]: Start difference. First operand 2031 states and 2290 transitions. Second operand 26 states. [2020-07-17 11:40:57,143 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 11:40:58,004 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:58,824 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:59,810 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:00,109 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:00,377 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:02,436 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-17 11:41:03,031 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:41:03,577 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:41:04,035 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:41:05,867 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-17 11:41:07,013 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:41:07,796 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-17 11:41:08,334 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 11:41:08,864 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 11:41:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:15,127 INFO L93 Difference]: Finished difference Result 7584 states and 9963 transitions. [2020-07-17 11:41:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-07-17 11:41:15,128 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 391 [2020-07-17 11:41:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:15,130 INFO L225 Difference]: With dead ends: 7584 [2020-07-17 11:41:15,130 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:41:15,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 581 SyntacticMatches, 9 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4570 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2478, Invalid=10404, Unknown=0, NotChecked=0, Total=12882 [2020-07-17 11:41:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:41:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:41:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:41:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:41:15,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2020-07-17 11:41:15,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:15,155 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:41:15,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-17 11:41:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:41:15,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:41:15,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 11:41:15,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:41:23,537 WARN L193 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 730 DAG size of output: 658 [2020-07-17 11:41:33,142 WARN L193 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 789 DAG size of output: 701 [2020-07-17 11:41:36,128 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 614 DAG size of output: 527 [2020-07-17 11:41:36,283 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 234 [2020-07-17 11:41:37,946 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-07-17 11:42:05,436 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 518 DAG size of output: 440 [2020-07-17 11:42:11,210 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 253 DAG size of output: 25 [2020-07-17 11:42:11,535 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-17 11:42:12,763 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 221 DAG size of output: 35 [2020-07-17 11:42:13,170 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:42:13,965 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 27 [2020-07-17 11:42:19,695 WARN L193 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 571 DAG size of output: 37 [2020-07-17 11:42:20,456 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 34 [2020-07-17 11:42:21,216 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 27 [2020-07-17 11:42:22,749 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 196 DAG size of output: 46 [2020-07-17 11:42:22,930 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-17 11:42:23,814 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 28 [2020-07-17 11:42:24,014 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-17 11:42:24,200 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-17 11:42:24,378 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-17 11:42:31,206 WARN L193 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 614 DAG size of output: 32 [2020-07-17 11:42:31,437 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:42:34,948 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 426 DAG size of output: 34 [2020-07-17 11:42:36,910 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 337 DAG size of output: 41 [2020-07-17 11:42:37,086 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-17 11:42:38,518 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 24 [2020-07-17 11:42:39,303 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 1 [2020-07-17 11:42:41,314 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 298 DAG size of output: 32 [2020-07-17 11:42:42,012 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 30 [2020-07-17 11:42:42,384 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-17 11:42:43,602 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 225 DAG size of output: 32 [2020-07-17 11:42:44,370 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-07-17 11:42:44,546 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2020-07-17 11:42:45,282 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 30 [2020-07-17 11:42:47,096 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 324 DAG size of output: 34 [2020-07-17 11:42:47,302 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:42:47,501 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-17 11:42:48,362 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 28 [2020-07-17 11:42:48,557 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-17 11:42:48,758 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:42:49,757 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2020-07-17 11:42:50,333 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 27 [2020-07-17 11:42:50,536 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:42:50,727 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-17 11:42:52,924 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 197 DAG size of output: 61 [2020-07-17 11:42:54,195 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 225 DAG size of output: 30 [2020-07-17 11:42:54,367 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-17 11:42:55,163 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 29 [2020-07-17 11:42:55,461 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-17 11:42:55,647 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-17 11:42:57,734 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 341 DAG size of output: 34 [2020-07-17 11:42:57,936 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-17 11:42:58,129 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 1 [2020-07-17 11:42:58,326 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:42:59,931 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 228 DAG size of output: 35 [2020-07-17 11:43:00,129 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-17 11:43:00,431 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-07-17 11:43:01,763 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 174 DAG size of output: 16 [2020-07-17 11:43:01,982 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:43:02,640 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 24 [2020-07-17 11:43:03,274 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 27 [2020-07-17 11:43:03,279 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:43:03,279 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:43:03,279 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:43:03,279 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:43:03,280 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:43:03,281 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:43:03,282 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2020-07-17 11:43:03,282 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2020-07-17 11:43:03,282 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-17 11:43:03,282 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2020-07-17 11:43:03,282 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-17 11:43:03,282 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2020-07-17 11:43:03,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2020-07-17 11:43:03,283 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse2) (or .cse3 (not (< 1 ~waterLevel~0)) .cse0 .cse4 .cse2) (or .cse0 (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-17 11:43:03,283 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-17 11:43:03,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2020-07-17 11:43:03,283 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2020-07-17 11:43:03,284 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-17 11:43:03,284 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2020-07-17 11:43:03,284 INFO L268 CegarLoopResult]: For program point L784(lines 784 790) no Hoare annotation was computed. [2020-07-17 11:43:03,284 INFO L268 CegarLoopResult]: For program point L783(lines 783 793) no Hoare annotation was computed. [2020-07-17 11:43:03,284 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse2 .cse9 .cse3) (or .cse4 .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-17 11:43:03,284 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-17 11:43:03,284 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2020-07-17 11:43:03,285 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-07-17 11:43:03,285 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2020-07-17 11:43:03,285 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-07-17 11:43:03,285 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-17 11:43:03,285 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,285 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2020-07-17 11:43:03,285 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,286 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,286 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-17 11:43:03,286 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2020-07-17 11:43:03,286 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-17 11:43:03,286 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,286 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,286 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,286 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-17 11:43:03,287 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-17 11:43:03,288 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L271 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: true [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2020-07-17 11:43:03,289 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L576(lines 576 584) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L599-1(line 599) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L588(lines 588 596) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2020-07-17 11:43:03,290 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:43:03,291 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:43:03,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:43:03,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:43:03,292 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,292 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2020-07-17 11:43:03,292 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2020-07-17 11:43:03,292 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,292 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2020-07-17 11:43:03,292 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point L990(lines 990 996) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2020-07-17 11:43:03,293 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2020-07-17 11:43:03,294 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2020-07-17 11:43:03,294 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-17 11:43:03,294 INFO L268 CegarLoopResult]: For program point L512(lines 512 529) no Hoare annotation was computed. [2020-07-17 11:43:03,294 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2020-07-17 11:43:03,294 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,294 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,294 INFO L268 CegarLoopResult]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2020-07-17 11:43:03,295 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse0) (or (= 0 ~methaneLevelCritical~0) .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse0) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse0))) [2020-07-17 11:43:03,295 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse2 .cse3))) [2020-07-17 11:43:03,295 INFO L268 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-07-17 11:43:03,295 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-17 11:43:03,295 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2020-07-17 11:43:03,296 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2020-07-17 11:43:03,296 INFO L264 CegarLoopResult]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,296 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-17 11:43:03,296 INFO L264 CegarLoopResult]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:43:03,296 INFO L268 CegarLoopResult]: For program point L696(lines 695 740) no Hoare annotation was computed. [2020-07-17 11:43:03,296 INFO L268 CegarLoopResult]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2020-07-17 11:43:03,296 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-17 11:43:03,297 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= ~waterLevel~0 1) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 (<= ~waterLevel~0 2) .cse2) (not .cse4))) [2020-07-17 11:43:03,297 INFO L268 CegarLoopResult]: For program point L715(lines 715 721) no Hoare annotation was computed. [2020-07-17 11:43:03,297 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2020-07-17 11:43:03,297 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:43:03,297 INFO L264 CegarLoopResult]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~waterLevel~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:43:03,297 INFO L268 CegarLoopResult]: For program point L705(lines 705 711) no Hoare annotation was computed. [2020-07-17 11:43:03,297 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L264 CegarLoopResult]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:43:03,298 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point L962(lines 962 970) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:43:03,299 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:43:03,300 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2020-07-17 11:43:03,301 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2020-07-17 11:43:03,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,302 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:43:03,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,302 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2020-07-17 11:43:03,302 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2020-07-17 11:43:03,302 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-17 11:43:03,303 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2020-07-17 11:43:03,303 INFO L271 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: true [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-17 11:43:03,303 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2020-07-17 11:43:03,303 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0)) .cse3) (or (= 0 ~methaneLevelCritical~0) .cse1 (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2020-07-17 11:43:03,304 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2020-07-17 11:43:03,304 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2020-07-17 11:43:03,305 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2020-07-17 11:43:03,305 INFO L264 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 (= 0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse4 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (= 1 ~waterLevel~0)) .cse2) (or .cse3 .cse4 (not (<= |old(~waterLevel~0)| 0)) (and .cse5 .cse6 .cse0) .cse2))) [2020-07-17 11:43:03,305 INFO L264 CegarLoopResult]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 ~systemActive~0)))) (and (let ((.cse5 (= 1 ~waterLevel~0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5) .cse8)) (or (not (= 2 |old(~waterLevel~0)|)) .cse9 .cse6 (<= 1 ~pumpRunning~0) .cse8) (or (and .cse6 .cse10) (and (= 2 ~waterLevel~0) .cse10) .cse9 .cse1 .cse8) (let ((.cse14 (<= ~waterLevel~0 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (= 0 ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse11 (and .cse6 .cse7 .cse12 .cse13) (and .cse14 .cse6 .cse7 .cse10) (and .cse2 .cse4 .cse14 .cse10) .cse0 .cse1 (and .cse2 .cse4 .cse12 .cse13) .cse8)) (or .cse11 .cse3 .cse0 .cse6 .cse1 .cse8))) [2020-07-17 11:43:03,305 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse5 .cse3)))) [2020-07-17 11:43:03,306 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse0 .cse3 .cse1) (or .cse2 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse1))) [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point L428(lines 424 446) no Hoare annotation was computed. [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point L426(lines 424 446) no Hoare annotation was computed. [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2020-07-17 11:43:03,306 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2020-07-17 11:43:03,306 INFO L271 CegarLoopResult]: At program point L827(lines 802 831) the Hoare annotation is: true [2020-07-17 11:43:03,306 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-17 11:43:03,307 INFO L268 CegarLoopResult]: For program point L816(lines 816 820) no Hoare annotation was computed. [2020-07-17 11:43:03,307 INFO L271 CegarLoopResult]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2020-07-17 11:43:03,307 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-17 11:43:03,307 INFO L271 CegarLoopResult]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2020-07-17 11:43:03,307 INFO L271 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: true [2020-07-17 11:43:03,307 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-17 11:43:03,307 INFO L268 CegarLoopResult]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2020-07-17 11:43:03,308 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:43:03,308 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2020-07-17 11:43:03,308 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2020-07-17 11:43:03,308 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2020-07-17 11:43:03,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,308 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)) [2020-07-17 11:43:03,308 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:43:03,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:43:03,308 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,309 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2020-07-17 11:43:03,309 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-17 11:43:03,309 INFO L268 CegarLoopResult]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2020-07-17 11:43:03,309 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-17 11:43:03,309 INFO L264 CegarLoopResult]: At program point L466(line 466) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:43:03,309 INFO L268 CegarLoopResult]: For program point L464(lines 464 472) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point L460(lines 460 477) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or (= 2 ~waterLevel~0) .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 (not (= 0 ~pumpRunning~0)) .cse2))) [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2020-07-17 11:43:03,310 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2020-07-17 11:43:03,311 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2020-07-17 11:43:03,311 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2020-07-17 11:43:03,311 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,311 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:43:03,311 INFO L268 CegarLoopResult]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2020-07-17 11:43:03,311 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4 .cse0))) [2020-07-17 11:43:03,312 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4 .cse0))) [2020-07-17 11:43:03,312 INFO L268 CegarLoopResult]: For program point L490(lines 490 498) no Hoare annotation was computed. [2020-07-17 11:43:03,312 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-17 11:43:03,312 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-17 11:43:03,312 INFO L268 CegarLoopResult]: For program point L486(lines 486 503) no Hoare annotation was computed. [2020-07-17 11:43:03,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:43:03 BoogieIcfgContainer [2020-07-17 11:43:03,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:43:03,330 INFO L168 Benchmark]: Toolchain (without parser) took 212345.84 ms. Allocated memory was 139.5 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 102.7 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,330 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.90 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 169.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,331 INFO L168 Benchmark]: Boogie Preprocessor took 90.46 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,332 INFO L168 Benchmark]: RCFGBuilder took 1223.69 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 188.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,332 INFO L168 Benchmark]: TraceAbstraction took 210369.31 ms. Allocated memory was 235.9 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 188.2 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-17 11:43:03,335 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.90 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 169.5 MB in the end (delta: -67.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.46 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.69 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 188.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210369.31 ms. Allocated memory was 235.9 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 188.2 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && waterLevel <= 1) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 0 == pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 102.3s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 88.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 107.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2633 SDtfs, 9912 SDslu, 5900 SDs, 0 SdLazy, 27360 SolverSat, 8606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2889 GetRequests, 2375 SyntacticMatches, 12 SemanticMatches, 502 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11224 ImplicationChecksByTransitivity, 45.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2031occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1698 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 5688 PreInvPairs, 7483 NumberOfFragments, 2341 HoareAnnotationTreeSize, 5688 FomulaSimplifications, 7852902507 FormulaSimplificationTreeSizeReduction, 54.0s HoareSimplificationTime, 69 FomulaSimplificationsInter, 24761201 FormulaSimplificationTreeSizeReductionInter, 53.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 3683 NumberOfCodeBlocks, 3683 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3665 ConstructedInterpolants, 0 QuantifiedInterpolants, 2174973 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6294 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 2827/3100 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...