/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:39:57,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:39:57,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:39:57,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:39:57,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:39:57,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:39:57,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:39:57,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:39:57,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:39:57,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:39:57,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:39:57,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:39:57,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:39:57,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:39:57,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:39:57,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:39:57,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:39:57,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:39:57,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:39:57,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:39:57,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:39:57,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:39:57,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:39:57,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:39:57,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:39:57,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:39:57,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:39:57,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:39:57,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:39:57,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:39:57,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:39:57,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:39:57,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:39:57,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:39:57,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:39:57,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:39:57,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:39:57,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:39:57,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:39:57,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:39:57,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:39:57,740 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 11:39:57,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:39:57,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:39:57,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:39:57,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:39:57,756 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:39:57,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:39:57,756 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:39:57,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:39:57,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:39:57,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:39:57,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:39:57,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:39:57,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:39:57,757 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:39:57,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:39:57,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:39:57,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:39:57,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:39:57,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:39:57,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:39:57,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:39:57,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:39:57,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:39:57,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:39:57,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:39:58,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:39:58,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:39:58,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:39:58,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:39:58,046 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:39:58,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-17 11:39:58,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc14fcaa/e10b23d58bfc40ee918273acc30409b7/FLAG7ea46cd5d [2020-07-17 11:39:58,652 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:39:58,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-17 11:39:58,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc14fcaa/e10b23d58bfc40ee918273acc30409b7/FLAG7ea46cd5d [2020-07-17 11:39:59,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc14fcaa/e10b23d58bfc40ee918273acc30409b7 [2020-07-17 11:39:59,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:39:59,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:39:59,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:39:59,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:39:59,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:39:59,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4059f546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59, skipping insertion in model container [2020-07-17 11:39:59,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:39:59,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:39:59,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:39:59,548 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:39:59,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:39:59,714 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:39:59,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59 WrapperNode [2020-07-17 11:39:59,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:39:59,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:39:59,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:39:59,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:39:59,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (1/1) ... [2020-07-17 11:39:59,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:39:59,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:39:59,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:39:59,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:39:59,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (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 11:39:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:39:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:39:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:39:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:39:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:39:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:39:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:39:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:39:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:39:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:39:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:39:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:39:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:39:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:39:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:39:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:39:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:39:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:39:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:39:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:39:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:39:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:39:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:39:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:39:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:39:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:39:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:39:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:39:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:39:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:39:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:39:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:39:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:39:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:39:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:39:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:39:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:39:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:39:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:39:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:39:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:39:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:39:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:39:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:39:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:39:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:39:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:39:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:39:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:39:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:39:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:39:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:39:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:39:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:39:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:39:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:39:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:39:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:39:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:39:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:39:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:39:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:40:01,003 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:40:01,003 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:40:01,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:40:01 BoogieIcfgContainer [2020-07-17 11:40:01,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:40:01,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:40:01,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:40:01,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:40:01,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:39:59" (1/3) ... [2020-07-17 11:40:01,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a00dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:40:01, skipping insertion in model container [2020-07-17 11:40:01,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:39:59" (2/3) ... [2020-07-17 11:40:01,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a00dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:40:01, skipping insertion in model container [2020-07-17 11:40:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:40:01" (3/3) ... [2020-07-17 11:40:01,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-17 11:40:01,029 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:40:01,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:40:01,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:40:01,081 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:40:01,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:40:01,082 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:40:01,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:40:01,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:40:01,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:40:01,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:40:01,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:40:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-17 11:40:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:40:01,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:01,119 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 11:40:01,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:01,126 INFO L82 PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times [2020-07-17 11:40:01,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:01,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956389457] [2020-07-17 11:40:01,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,791 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:01,906 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 11:40:01,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956389457] [2020-07-17 11:40:01,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:01,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:40:01,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307790826] [2020-07-17 11:40:01,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:40:01,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:01,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:40:01,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:40:01,935 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 4 states. [2020-07-17 11:40:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:03,187 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2020-07-17 11:40:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:40:03,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:40:03,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:03,205 INFO L225 Difference]: With dead ends: 345 [2020-07-17 11:40:03,205 INFO L226 Difference]: Without dead ends: 189 [2020-07-17 11:40:03,210 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 11:40:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-17 11:40:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2020-07-17 11:40:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-17 11:40:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-07-17 11:40:03,327 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-07-17 11:40:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:03,328 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-07-17 11:40:03,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:40:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-07-17 11:40:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:40:03,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:03,342 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] [2020-07-17 11:40:03,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:40:03,343 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:03,343 INFO L82 PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times [2020-07-17 11:40:03,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:03,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929416439] [2020-07-17 11:40:03,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,718 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:03,780 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 11:40:03,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929416439] [2020-07-17 11:40:03,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:03,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:40:03,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894631895] [2020-07-17 11:40:03,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:40:03,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:03,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:40:03,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:40:03,784 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 5 states. [2020-07-17 11:40:04,246 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:05,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:05,311 INFO L93 Difference]: Finished difference Result 286 states and 343 transitions. [2020-07-17 11:40:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:40:05,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:40:05,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:05,318 INFO L225 Difference]: With dead ends: 286 [2020-07-17 11:40:05,318 INFO L226 Difference]: Without dead ends: 179 [2020-07-17 11:40:05,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:40:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-17 11:40:05,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-17 11:40:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-17 11:40:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2020-07-17 11:40:05,385 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2020-07-17 11:40:05,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:05,386 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2020-07-17 11:40:05,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:40:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2020-07-17 11:40:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:40:05,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:05,388 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] [2020-07-17 11:40:05,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:40:05,388 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:05,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times [2020-07-17 11:40:05,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:05,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031620923] [2020-07-17 11:40:05,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,720 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:05,810 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 11:40:05,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031620923] [2020-07-17 11:40:05,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:05,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:05,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043836438] [2020-07-17 11:40:05,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:05,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:05,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:05,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:05,813 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 9 states. [2020-07-17 11:40:06,213 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:06,540 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:06,794 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:07,033 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:08,437 INFO L93 Difference]: Finished difference Result 299 states and 362 transitions. [2020-07-17 11:40:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:40:08,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-17 11:40:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:08,443 INFO L225 Difference]: With dead ends: 299 [2020-07-17 11:40:08,444 INFO L226 Difference]: Without dead ends: 179 [2020-07-17 11:40:08,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 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 11:40:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-17 11:40:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 148. [2020-07-17 11:40:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-17 11:40:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2020-07-17 11:40:08,521 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2020-07-17 11:40:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:08,521 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2020-07-17 11:40:08,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2020-07-17 11:40:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-17 11:40:08,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:08,523 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] [2020-07-17 11:40:08,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:40:08,524 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:08,524 INFO L82 PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times [2020-07-17 11:40:08,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:08,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655374008] [2020-07-17 11:40:08,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,836 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:08,951 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 11:40:08,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655374008] [2020-07-17 11:40:08,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:08,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:40:08,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541179939] [2020-07-17 11:40:08,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:40:08,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:08,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:40:08,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:40:08,956 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 7 states. [2020-07-17 11:40:09,310 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:10,872 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:11,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:11,469 INFO L93 Difference]: Finished difference Result 403 states and 496 transitions. [2020-07-17 11:40:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:40:11,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-17 11:40:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:11,475 INFO L225 Difference]: With dead ends: 403 [2020-07-17 11:40:11,475 INFO L226 Difference]: Without dead ends: 283 [2020-07-17 11:40:11,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 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 11:40:11,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-17 11:40:11,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 237. [2020-07-17 11:40:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-17 11:40:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2020-07-17 11:40:11,525 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2020-07-17 11:40:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:11,526 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2020-07-17 11:40:11,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:40:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2020-07-17 11:40:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:40:11,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:11,528 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] [2020-07-17 11:40:11,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:40:11,528 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:11,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:11,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2116914143, now seen corresponding path program 1 times [2020-07-17 11:40:11,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:11,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272374526] [2020-07-17 11:40:11,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,814 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:11,959 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 11:40:11,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272374526] [2020-07-17 11:40:11,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:11,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:11,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813736138] [2020-07-17 11:40:11,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:11,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:11,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:11,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:11,963 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 9 states. [2020-07-17 11:40:12,394 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:13,051 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:13,937 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:14,218 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:14,685 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:14,922 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:15,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:15,517 INFO L93 Difference]: Finished difference Result 491 states and 592 transitions. [2020-07-17 11:40:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:40:15,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-17 11:40:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:15,522 INFO L225 Difference]: With dead ends: 491 [2020-07-17 11:40:15,522 INFO L226 Difference]: Without dead ends: 282 [2020-07-17 11:40:15,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:40:15,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-17 11:40:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2020-07-17 11:40:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-17 11:40:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2020-07-17 11:40:15,573 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2020-07-17 11:40:15,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:15,574 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2020-07-17 11:40:15,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2020-07-17 11:40:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-17 11:40:15,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:15,576 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:15,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:40:15,576 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:15,577 INFO L82 PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times [2020-07-17 11:40:15,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:15,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856440549] [2020-07-17 11:40:15,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,880 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:16,039 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 11:40:16,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856440549] [2020-07-17 11:40:16,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:16,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:40:16,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488062097] [2020-07-17 11:40:16,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:40:16,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:16,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:40:16,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:40:16,044 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 9 states. [2020-07-17 11:40:17,242 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:17,497 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:17,760 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:18,035 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:18,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:18,938 INFO L93 Difference]: Finished difference Result 491 states and 595 transitions. [2020-07-17 11:40:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:40:18,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-17 11:40:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:18,944 INFO L225 Difference]: With dead ends: 491 [2020-07-17 11:40:18,944 INFO L226 Difference]: Without dead ends: 283 [2020-07-17 11:40:18,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:40:18,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-17 11:40:18,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2020-07-17 11:40:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-07-17 11:40:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2020-07-17 11:40:18,993 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2020-07-17 11:40:18,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:18,993 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2020-07-17 11:40:18,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:40:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2020-07-17 11:40:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-17 11:40:18,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:18,995 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:18,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:40:18,996 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:18,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:18,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times [2020-07-17 11:40:18,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:18,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71274707] [2020-07-17 11:40:18,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,255 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:19,398 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 11:40:19,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71274707] [2020-07-17 11:40:19,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:19,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:40:19,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696238308] [2020-07-17 11:40:19,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:40:19,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:19,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:40:19,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:40:19,401 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 11 states. [2020-07-17 11:40:19,979 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:20,209 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:20,438 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:21,142 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:21,400 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:21,669 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:22,575 INFO L93 Difference]: Finished difference Result 501 states and 606 transitions. [2020-07-17 11:40:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:40:22,575 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-17 11:40:22,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:22,578 INFO L225 Difference]: With dead ends: 501 [2020-07-17 11:40:22,578 INFO L226 Difference]: Without dead ends: 288 [2020-07-17 11:40:22,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 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 11:40:22,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-07-17 11:40:22,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 245. [2020-07-17 11:40:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-17 11:40:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2020-07-17 11:40:22,623 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2020-07-17 11:40:22,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:22,624 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2020-07-17 11:40:22,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:40:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2020-07-17 11:40:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-17 11:40:22,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:22,626 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:22,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:40:22,626 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:22,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:22,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times [2020-07-17 11:40:22,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:22,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225580137] [2020-07-17 11:40:22,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,889 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:23,029 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 11:40:23,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225580137] [2020-07-17 11:40:23,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:23,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:40:23,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954360218] [2020-07-17 11:40:23,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:40:23,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:23,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:40:23,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:40:23,035 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 7 states. [2020-07-17 11:40:23,400 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:23,936 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:25,858 INFO L93 Difference]: Finished difference Result 683 states and 844 transitions. [2020-07-17 11:40:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:40:25,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2020-07-17 11:40:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:25,862 INFO L225 Difference]: With dead ends: 683 [2020-07-17 11:40:25,863 INFO L226 Difference]: Without dead ends: 466 [2020-07-17 11:40:25,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:40:25,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-07-17 11:40:25,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 424. [2020-07-17 11:40:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-17 11:40:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 492 transitions. [2020-07-17 11:40:25,933 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 492 transitions. Word has length 108 [2020-07-17 11:40:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:25,934 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 492 transitions. [2020-07-17 11:40:25,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:40:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 492 transitions. [2020-07-17 11:40:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-17 11:40:25,936 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:25,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:25,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:40:25,937 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:25,937 INFO L82 PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times [2020-07-17 11:40:25,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:25,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667040458] [2020-07-17 11:40:25,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,253 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:26,422 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 11:40:26,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667040458] [2020-07-17 11:40:26,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:40:26,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:40:26,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447646573] [2020-07-17 11:40:26,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:40:26,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:40:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:40:26,424 INFO L87 Difference]: Start difference. First operand 424 states and 492 transitions. Second operand 12 states. [2020-07-17 11:40:26,853 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:27,482 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:28,488 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:28,855 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:29,205 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:29,500 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:29,760 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:31,073 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:31,327 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:32,099 INFO L93 Difference]: Finished difference Result 1180 states and 1453 transitions. [2020-07-17 11:40:32,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:40:32,101 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-17 11:40:32,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:32,106 INFO L225 Difference]: With dead ends: 1180 [2020-07-17 11:40:32,106 INFO L226 Difference]: Without dead ends: 858 [2020-07-17 11:40:32,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:40:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-07-17 11:40:32,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 736. [2020-07-17 11:40:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-17 11:40:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 846 transitions. [2020-07-17 11:40:32,232 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 846 transitions. Word has length 112 [2020-07-17 11:40:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:32,232 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 846 transitions. [2020-07-17 11:40:32,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:40:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 846 transitions. [2020-07-17 11:40:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-17 11:40:32,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:32,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:32,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:40:32,236 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:32,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times [2020-07-17 11:40:32,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:32,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014709831] [2020-07-17 11:40:32,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,558 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:40:32,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014709831] [2020-07-17 11:40:32,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587258827] [2020-07-17 11:40:32,848 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 11:40:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:33,096 INFO L264 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:40:33,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:40:33,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:33,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:40:33,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792362671] [2020-07-17 11:40:33,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:40:33,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:33,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:40:33,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:40:33,293 INFO L87 Difference]: Start difference. First operand 736 states and 846 transitions. Second operand 20 states. [2020-07-17 11:40:34,103 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:34,635 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:35,039 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:35,293 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:40:36,043 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 11:40:36,317 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:40:36,751 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-17 11:40:37,575 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 11:40:38,230 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:38,774 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:40:39,236 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:39,500 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:39,795 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:40:40,436 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:40,872 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:40:41,256 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:41,967 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:42,231 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:42,843 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:43,313 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:43,586 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:40:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:43,897 INFO L93 Difference]: Finished difference Result 1637 states and 1941 transitions. [2020-07-17 11:40:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-17 11:40:43,898 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 174 [2020-07-17 11:40:43,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:43,905 INFO L225 Difference]: With dead ends: 1637 [2020-07-17 11:40:43,905 INFO L226 Difference]: Without dead ends: 999 [2020-07-17 11:40:43,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-17 11:40:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-07-17 11:40:44,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 886. [2020-07-17 11:40:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-07-17 11:40:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1025 transitions. [2020-07-17 11:40:44,103 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1025 transitions. Word has length 174 [2020-07-17 11:40:44,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:44,104 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1025 transitions. [2020-07-17 11:40:44,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:40:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1025 transitions. [2020-07-17 11:40:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-07-17 11:40:44,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:44,112 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, 4, 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, 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] [2020-07-17 11:40:44,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:40:44,326 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:44,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:44,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1611643875, now seen corresponding path program 1 times [2020-07-17 11:40:44,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:44,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023744468] [2020-07-17 11:40:44,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,686 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-07-17 11:40:45,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023744468] [2020-07-17 11:40:45,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023956807] [2020-07-17 11:40:45,283 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 11:40:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:45,526 INFO L264 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:40:45,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-17 11:40:45,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:45,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:40:45,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182338158] [2020-07-17 11:40:45,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:40:45,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:45,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:40:45,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:40:45,793 INFO L87 Difference]: Start difference. First operand 886 states and 1025 transitions. Second operand 24 states. [2020-07-17 11:40:46,293 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:47,122 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:47,868 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:48,556 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:49,062 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:49,554 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:40:49,799 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:50,115 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:50,374 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:40:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:53,999 INFO L93 Difference]: Finished difference Result 2119 states and 2766 transitions. [2020-07-17 11:40:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 11:40:54,000 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 311 [2020-07-17 11:40:54,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:54,009 INFO L225 Difference]: With dead ends: 2119 [2020-07-17 11:40:54,010 INFO L226 Difference]: Without dead ends: 1284 [2020-07-17 11:40:54,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 422 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 11:40:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-07-17 11:40:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 894. [2020-07-17 11:40:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-17 11:40:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1020 transitions. [2020-07-17 11:40:54,215 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1020 transitions. Word has length 311 [2020-07-17 11:40:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:54,216 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1020 transitions. [2020-07-17 11:40:54,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:40:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1020 transitions. [2020-07-17 11:40:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-07-17 11:40:54,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:40:54,231 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, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:40:54,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:54,445 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:40:54,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:40:54,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1877558929, now seen corresponding path program 1 times [2020-07-17 11:40:54,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:40:54,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637212392] [2020-07-17 11:40:54,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:40:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,780 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-07-17 11:40:55,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637212392] [2020-07-17 11:40:55,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767164743] [2020-07-17 11:40:55,298 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 11:40:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:40:55,520 INFO L264 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 11:40:55,529 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:40:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 255 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-17 11:40:55,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:40:55,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:40:55,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172414964] [2020-07-17 11:40:55,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:40:55,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:40:55,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:40:55,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:40:55,727 INFO L87 Difference]: Start difference. First operand 894 states and 1020 transitions. Second operand 22 states. [2020-07-17 11:40:56,976 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:40:57,540 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:58,012 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:58,472 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:40:59,434 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:00,575 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:01,048 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:41:01,534 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:02,224 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:03,026 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:03,287 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:04,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:04,051 INFO L93 Difference]: Finished difference Result 1736 states and 2042 transitions. [2020-07-17 11:41:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:41:04,053 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 323 [2020-07-17 11:41:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:04,061 INFO L225 Difference]: With dead ends: 1736 [2020-07-17 11:41:04,062 INFO L226 Difference]: Without dead ends: 963 [2020-07-17 11:41:04,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:41:04,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-07-17 11:41:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 894. [2020-07-17 11:41:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-07-17 11:41:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1017 transitions. [2020-07-17 11:41:04,246 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1017 transitions. Word has length 323 [2020-07-17 11:41:04,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:04,247 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1017 transitions. [2020-07-17 11:41:04,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:41:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1017 transitions. [2020-07-17 11:41:04,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-17 11:41:04,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:04,254 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, 4, 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, 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] [2020-07-17 11:41:04,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:41:04,468 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:04,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1286733802, now seen corresponding path program 1 times [2020-07-17 11:41:04,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:04,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544363849] [2020-07-17 11:41:04,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,745 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-07-17 11:41:05,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544363849] [2020-07-17 11:41:05,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360198334] [2020-07-17 11:41:05,068 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 11:41:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:05,322 INFO L264 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:41:05,334 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 181 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-17 11:41:05,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:41:05,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 11:41:05,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476506358] [2020-07-17 11:41:05,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:41:05,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:05,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:41:05,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:41:05,543 INFO L87 Difference]: Start difference. First operand 894 states and 1017 transitions. Second operand 17 states. [2020-07-17 11:41:05,954 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:06,620 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:08,364 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:08,626 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:41:08,884 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:09,135 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:09,787 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:41:10,095 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:10,363 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:41:10,623 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:10,898 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:41:12,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:12,692 INFO L93 Difference]: Finished difference Result 2216 states and 2740 transitions. [2020-07-17 11:41:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 11:41:12,693 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 324 [2020-07-17 11:41:12,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:12,702 INFO L225 Difference]: With dead ends: 2216 [2020-07-17 11:41:12,702 INFO L226 Difference]: Without dead ends: 1443 [2020-07-17 11:41:12,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 11:41:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2020-07-17 11:41:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1158. [2020-07-17 11:41:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-07-17 11:41:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1319 transitions. [2020-07-17 11:41:12,961 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1319 transitions. Word has length 324 [2020-07-17 11:41:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:12,963 INFO L479 AbstractCegarLoop]: Abstraction has 1158 states and 1319 transitions. [2020-07-17 11:41:12,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:41:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1319 transitions. [2020-07-17 11:41:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-07-17 11:41:12,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:41:12,969 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, 5, 5, 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, 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] [2020-07-17 11:41:13,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:41:13,182 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:41:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:41:13,182 INFO L82 PathProgramCache]: Analyzing trace with hash 861758707, now seen corresponding path program 1 times [2020-07-17 11:41:13,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:41:13,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536215197] [2020-07-17 11:41:13,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:41:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,506 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 176 proven. 24 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-07-17 11:41:14,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536215197] [2020-07-17 11:41:14,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141285899] [2020-07-17 11:41:14,074 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 11:41:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:41:14,327 INFO L264 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-17 11:41:14,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:41:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 231 proven. 51 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-07-17 11:41:14,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:41:14,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 26 [2020-07-17 11:41:14,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897087431] [2020-07-17 11:41:14,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-17 11:41:14,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:41:14,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-17 11:41:14,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:41:14,670 INFO L87 Difference]: Start difference. First operand 1158 states and 1319 transitions. Second operand 26 states. [2020-07-17 11:41:15,403 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:41:16,230 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:41:17,652 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:41:17,965 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:18,240 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:41:19,473 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:41:20,580 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-17 11:41:21,105 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:41:21,601 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:41:22,080 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:41:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:41:23,128 INFO L93 Difference]: Finished difference Result 1299 states and 1508 transitions. [2020-07-17 11:41:23,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 11:41:23,129 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 393 [2020-07-17 11:41:23,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:41:23,130 INFO L225 Difference]: With dead ends: 1299 [2020-07-17 11:41:23,130 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:41:23,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 527 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=603, Invalid=2589, Unknown=0, NotChecked=0, Total=3192 [2020-07-17 11:41:23,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:41:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:41:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:41:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:41:23,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-07-17 11:41:23,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:41:23,136 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:41:23,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-17 11:41:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:41:23,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:41:23,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-17 11:41:23,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:41:23,476 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-07-17 11:41:25,149 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2020-07-17 11:41:28,076 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 319 [2020-07-17 11:41:30,043 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 326 [2020-07-17 11:41:31,206 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 326 [2020-07-17 11:41:31,524 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 265 [2020-07-17 11:41:32,949 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-17 11:41:33,126 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-17 11:41:33,568 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:41:34,288 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-17 11:41:34,443 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-17 11:41:35,430 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 40 [2020-07-17 11:41:35,589 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-17 11:41:35,788 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:41:36,132 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-07-17 11:41:36,335 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:41:36,487 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-17 11:41:37,564 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2020-07-17 11:41:37,788 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:41:39,133 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 220 DAG size of output: 47 [2020-07-17 11:41:39,286 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-17 11:41:39,778 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2020-07-17 11:41:40,017 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-17 11:41:40,190 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-17 11:41:41,228 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-07-17 11:41:41,421 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:41:42,489 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 235 DAG size of output: 37 [2020-07-17 11:41:42,713 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:41:44,135 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2020-07-17 11:41:45,142 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-17 11:41:46,294 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 207 DAG size of output: 34 [2020-07-17 11:41:46,519 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:41:47,813 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-17 11:41:48,822 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-17 11:41:49,536 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2020-07-17 11:41:49,745 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:41:50,439 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-07-17 11:41:50,658 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:41:51,858 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 170 DAG size of output: 33 [2020-07-17 11:41:52,101 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:41:52,663 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 30 [2020-07-17 11:41:52,859 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:41:54,059 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-17 11:41:54,211 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-17 11:41:54,396 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-17 11:41:54,591 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:41:55,661 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2020-07-17 11:41:55,863 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-17 11:41:56,064 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:41:56,718 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-17 11:41:56,913 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:41:58,106 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-17 11:41:58,658 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-07-17 11:41:59,504 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 38 [2020-07-17 11:41:59,974 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-07-17 11:42:00,201 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:42:00,416 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:42:00,712 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 300) no Hoare annotation was computed. [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 254 309) no Hoare annotation was computed. [2020-07-17 11:42:00,717 INFO L268 CegarLoopResult]: For program point L301(lines 278 302) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 254 309) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 254 309) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 310 369) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point L342-1(lines 342 346) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 310 369) no Hoare annotation was computed. [2020-07-17 11:42:00,718 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 361) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point L362(lines 335 363) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 310 369) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:42:00,719 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-17 11:42:00,719 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-17 11:42:00,720 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:00,720 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2020-07-17 11:42:00,720 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2020-07-17 11:42:00,720 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2020-07-17 11:42:00,720 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2020-07-17 11:42:00,720 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-17 11:42:00,721 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2020-07-17 11:42:00,721 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-17 11:42:00,721 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-07-17 11:42:00,721 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-07-17 11:42:00,721 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= 0 ~waterLevel~0)) .cse5 .cse6 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse7 .cse2 .cse3) (or .cse4 .cse7 .cse5 .cse6 .cse3))) [2020-07-17 11:42:00,722 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-17 11:42:00,722 INFO L268 CegarLoopResult]: For program point L180(lines 180 197) no Hoare annotation was computed. [2020-07-17 11:42:00,722 INFO L268 CegarLoopResult]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2020-07-17 11:42:00,722 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-07-17 11:42:00,722 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-07-17 11:42:00,722 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2020-07-17 11:42:00,722 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2020-07-17 11:42:00,723 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,723 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-17 11:42:00,723 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,723 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,723 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-17 11:42:00,723 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-07-17 11:42:00,723 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-17 11:42:00,723 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,724 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 601 624) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point L606(line 606) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 601 624) no Hoare annotation was computed. [2020-07-17 11:42:00,724 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 601 624) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-17 11:42:00,725 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L271 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: true [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-07-17 11:42:00,726 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-07-17 11:42:00,727 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 208 253) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 208 253) no Hoare annotation was computed. [2020-07-17 11:42:00,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 208 253) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 521 566) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point L535(lines 535 555) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 555) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 521 566) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 521 566) no Hoare annotation was computed. [2020-07-17 11:42:00,729 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,729 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,730 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2020-07-17 11:42:00,730 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2020-07-17 11:42:00,730 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-07-17 11:42:00,730 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-17 11:42:00,730 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-17 11:42:00,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-07-17 11:42:00,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-07-17 11:42:00,730 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-17 11:42:00,731 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-17 11:42:00,731 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:00,731 INFO L268 CegarLoopResult]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2020-07-17 11:42:00,732 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-17 11:42:00,732 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-17 11:42:00,732 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2020-07-17 11:42:00,732 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-07-17 11:42:00,732 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse3 .cse5 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-17 11:42:00,733 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 .cse6 (not (<= ~waterLevel~0 0)) .cse2))) [2020-07-17 11:42:00,733 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-17 11:42:00,733 INFO L268 CegarLoopResult]: For program point L818(lines 818 835) no Hoare annotation was computed. [2020-07-17 11:42:00,733 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-07-17 11:42:00,733 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-07-17 11:42:00,733 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,733 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-17 11:42:00,734 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-17 11:42:00,734 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-07-17 11:42:00,734 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-07-17 11:42:00,734 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-17 11:42:00,734 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-07-17 11:42:00,734 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) .cse3 .cse2 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse4))) [2020-07-17 11:42:00,734 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-07-17 11:42:00,735 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-07-17 11:42:00,735 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 .cse3) (and .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:42:00,735 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse3 .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse4) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse5 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:42:00,735 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-17 11:42:00,735 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-17 11:42:00,735 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-17 11:42:00,735 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 475 520) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 475 520) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 475 520) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point L495(lines 495 502) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point L489(lines 489 509) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L268 CegarLoopResult]: For program point L489-1(lines 489 509) no Hoare annotation was computed. [2020-07-17 11:42:00,736 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) 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 11:42:00,736 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-17 11:42:00,737 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 372 474) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L442(lines 420 443) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L401(lines 401 417) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L422(lines 421 441) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 372 474) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-17 11:42:00,738 INFO L268 CegarLoopResult]: For program point L418(lines 418 459) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 372 474) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:42:00,739 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-17 11:42:00,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,740 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-17 11:42:00,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,740 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2020-07-17 11:42:00,740 INFO L264 CegarLoopResult]: At program point L859(line 859) 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 11:42:00,740 INFO L268 CegarLoopResult]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2020-07-17 11:42:00,741 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 848 864) 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 11:42:00,741 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-17 11:42:00,741 INFO L264 CegarLoopResult]: At program point L853(line 853) 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 11:42:00,741 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-17 11:42:00,741 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-17 11:42:00,741 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:42:00,741 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-07-17 11:42:00,742 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3))) [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-17 11:42:00,743 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-17 11:42:00,744 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or (and .cse0 .cse9) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse1) .cse4))) [2020-07-17 11:42:00,744 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) (and .cse7 .cse8 .cse1) .cse4) (or (and .cse0 .cse9) (and .cse9 (<= 1 ~pumpRunning~0)) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-17 11:42:00,744 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))))) [2020-07-17 11:42:00,744 INFO L268 CegarLoopResult]: For program point L760(lines 756 778) no Hoare annotation was computed. [2020-07-17 11:42:00,744 INFO L268 CegarLoopResult]: For program point L758(lines 756 778) no Hoare annotation was computed. [2020-07-17 11:42:00,745 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and (= 0 ~pumpRunning~0) .cse4 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (and (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2) .cse4) .cse5 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 (and .cse3 .cse4 .cse7) .cse6 .cse2 (not (<= 0 |old(~waterLevel~0)|))) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-07-17 11:42:00,745 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2020-07-17 11:42:00,745 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2020-07-17 11:42:00,745 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-07-17 11:42:00,745 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2020-07-17 11:42:00,745 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-07-17 11:42:00,745 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2020-07-17 11:42:00,746 INFO L271 CegarLoopResult]: At program point L595(lines 570 599) the Hoare annotation is: true [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-17 11:42:00,746 INFO L271 CegarLoopResult]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-17 11:42:00,746 INFO L271 CegarLoopResult]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2020-07-17 11:42:00,746 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) 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)) (not (<= 0 |old(~waterLevel~0)|))) [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-17 11:42:00,746 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2020-07-17 11:42:00,747 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2020-07-17 11:42:00,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,747 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:42:00,747 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:42:00,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:42:00,747 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-17 11:42:00,747 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |old(~systemActive~0)| ~systemActive~0)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 1 |old(~systemActive~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (not (<= 2 ~waterLevel~0)) .cse5) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5))) [2020-07-17 11:42:00,747 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-17 11:42:00,748 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 .cse6 (not (<= ~waterLevel~0 0)) .cse2))) [2020-07-17 11:42:00,748 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:00,748 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-07-17 11:42:00,748 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2020-07-17 11:42:00,748 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:00,748 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-17 11:42:00,748 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-07-17 11:42:00,749 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse3 .cse5 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-17 11:42:00,749 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-07-17 11:42:00,749 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse4 (not (= 2 ~waterLevel~0)) .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:42:00,749 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-17 11:42:00,749 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-17 11:42:00,749 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (= 2 ~waterLevel~0) .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-17 11:42:00,749 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2020-07-17 11:42:00,750 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-07-17 11:42:00,750 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2020-07-17 11:42:00,750 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2020-07-17 11:42:00,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:42:00 BoogieIcfgContainer [2020-07-17 11:42:00,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:42:00,770 INFO L168 Benchmark]: Toolchain (without parser) took 121746.21 ms. Allocated memory was 145.8 MB in the beginning and 1.1 GB in the end (delta: 997.2 MB). Free memory was 102.5 MB in the beginning and 977.5 MB in the end (delta: -875.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,771 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.01 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 169.6 MB in the end (delta: -67.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,772 INFO L168 Benchmark]: Boogie Preprocessor took 97.61 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,772 INFO L168 Benchmark]: RCFGBuilder took 1195.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 191.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,773 INFO L168 Benchmark]: TraceAbstraction took 119759.01 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 906.0 MB). Free memory was 190.4 MB in the beginning and 977.5 MB in the end (delta: -787.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-07-17 11:42:00,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.01 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 169.6 MB in the end (delta: -67.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.61 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 191.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 119759.01 ms. Allocated memory was 237.0 MB in the beginning and 1.1 GB in the end (delta: 906.0 MB). Free memory was 190.4 MB in the beginning and 977.5 MB in the end (delta: -787.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(waterLevel) == waterLevel) && 1 <= pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.2s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 68.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2454 SDtfs, 7497 SDslu, 4573 SDs, 0 SdLazy, 20345 SolverSat, 5558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2768 GetRequests, 2368 SyntacticMatches, 9 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4258 ImplicationChecksByTransitivity, 34.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1158occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1292 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2290 PreInvPairs, 2378 NumberOfFragments, 2753 HoareAnnotationTreeSize, 2290 FomulaSimplifications, 3788815843 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 81819910 FormulaSimplificationTreeSizeReductionInter, 28.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 3840 NumberOfCodeBlocks, 3840 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3821 ConstructedInterpolants, 0 QuantifiedInterpolants, 2238981 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6522 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2950/3157 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...