/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:14:57,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:14:57,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:14:57,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:14:57,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:14:57,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:14:57,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:14:58,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:14:58,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:14:58,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:14:58,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:14:58,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:14:58,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:14:58,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:14:58,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:14:58,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:14:58,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:14:58,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:14:58,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:14:58,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:14:58,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:14:58,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:14:58,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:14:58,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:14:58,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:14:58,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:14:58,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:14:58,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:14:58,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:14:58,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:14:58,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:14:58,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:14:58,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:14:58,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:14:58,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:14:58,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:14:58,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:14:58,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:14:58,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:14:58,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:14:58,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:14:58,039 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 [2023-03-31 01:14:58,066 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:14:58,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:14:58,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:14:58,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:14:58,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:14:58,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:14:58,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:14:58,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:14:58,068 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:14:58,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:14:58,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:14:58,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:14:58,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:14:58,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:14:58,071 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:14:58,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:14:58,072 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:14:58,072 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:14:58,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:14:58,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:14:58,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:14:58,229 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:14:58,230 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:14:58,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-03-31 01:14:59,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:14:59,448 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:14:59,449 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2023-03-31 01:14:59,457 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0862a0f6a/7e5ccf8e905f4c81809dc6b486b474bf/FLAG1e483c4b1 [2023-03-31 01:14:59,468 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0862a0f6a/7e5ccf8e905f4c81809dc6b486b474bf [2023-03-31 01:14:59,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:14:59,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:14:59,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:14:59,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:14:59,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:14:59,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cde9c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59, skipping insertion in model container [2023-03-31 01:14:59,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:14:59,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:14:59,614 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2023-03-31 01:14:59,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:14:59,678 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:14:59,689 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2023-03-31 01:14:59,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:14:59,743 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:14:59,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59 WrapperNode [2023-03-31 01:14:59,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:14:59,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:14:59,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:14:59,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:14:59,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:14:59,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:14:59,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:14:59,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:14:59,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (1/1) ... [2023-03-31 01:14:59,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:14:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:14:59,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:14:59,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:14:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:14:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:14:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:14:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:14:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:14:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 01:14:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:14:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:14:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:14:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:14:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:14:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:00,055 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:00,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:00,633 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:00,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:00,642 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:00,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:00 BoogieIcfgContainer [2023-03-31 01:15:00,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:00,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:00,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:00,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:00,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:14:59" (1/3) ... [2023-03-31 01:15:00,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d781319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:00, skipping insertion in model container [2023-03-31 01:15:00,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:14:59" (2/3) ... [2023-03-31 01:15:00,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d781319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:00, skipping insertion in model container [2023-03-31 01:15:00,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:00" (3/3) ... [2023-03-31 01:15:00,650 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2023-03-31 01:15:00,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:00,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:00,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:00,709 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@190cf468, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:00,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 81 states have (on average 1.308641975308642) internal successors, (106), 93 states have internal predecessors, (106), 42 states have call successors, (42), 25 states have call predecessors, (42), 25 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-03-31 01:15:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:00,722 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:00,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:00,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:00,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:00,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1110082229, now seen corresponding path program 1 times [2023-03-31 01:15:00,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:00,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019001185] [2023-03-31 01:15:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:00,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:01,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019001185] [2023-03-31 01:15:01,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019001185] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:01,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:01,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:01,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316054294] [2023-03-31 01:15:01,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:01,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:01,044 INFO L87 Difference]: Start difference. First operand has 151 states, 81 states have (on average 1.308641975308642) internal successors, (106), 93 states have internal predecessors, (106), 42 states have call successors, (42), 25 states have call predecessors, (42), 25 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:01,340 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2023-03-31 01:15:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:01,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:15:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:01,348 INFO L225 Difference]: With dead ends: 257 [2023-03-31 01:15:01,349 INFO L226 Difference]: Without dead ends: 140 [2023-03-31 01:15:01,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:01,353 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 77 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:01,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 21 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 01:15:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-03-31 01:15:01,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2023-03-31 01:15:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 71 states have internal predecessors, (77), 27 states have call successors, (27), 23 states have call predecessors, (27), 18 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-03-31 01:15:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2023-03-31 01:15:01,407 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2023-03-31 01:15:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:01,408 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-03-31 01:15:01,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2023-03-31 01:15:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:01,412 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:01,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:01,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:01,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:01,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2023918720, now seen corresponding path program 1 times [2023-03-31 01:15:01,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:01,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428170607] [2023-03-31 01:15:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:01,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:01,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:01,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428170607] [2023-03-31 01:15:01,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428170607] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:01,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:01,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:01,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686614230] [2023-03-31 01:15:01,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:01,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:01,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:01,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:01,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:01,550 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:01,825 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2023-03-31 01:15:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:01,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:15:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:01,828 INFO L225 Difference]: With dead ends: 184 [2023-03-31 01:15:01,829 INFO L226 Difference]: Without dead ends: 124 [2023-03-31 01:15:01,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:15:01,833 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:01,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 28 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 01:15:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-03-31 01:15:01,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2023-03-31 01:15:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 56 states have (on average 1.25) internal successors, (70), 65 states have internal predecessors, (70), 24 states have call successors, (24), 22 states have call predecessors, (24), 18 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-03-31 01:15:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2023-03-31 01:15:01,860 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2023-03-31 01:15:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:01,860 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2023-03-31 01:15:01,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2023-03-31 01:15:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 01:15:01,866 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:01,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:01,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:01,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:01,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:01,867 INFO L85 PathProgramCache]: Analyzing trace with hash 756334186, now seen corresponding path program 1 times [2023-03-31 01:15:01,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:01,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970963707] [2023-03-31 01:15:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:01,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:02,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970963707] [2023-03-31 01:15:02,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970963707] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:02,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:02,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:02,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667683514] [2023-03-31 01:15:02,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:02,080 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:02,608 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2023-03-31 01:15:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:15:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-03-31 01:15:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:02,610 INFO L225 Difference]: With dead ends: 345 [2023-03-31 01:15:02,610 INFO L226 Difference]: Without dead ends: 270 [2023-03-31 01:15:02,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-03-31 01:15:02,611 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 301 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:02,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 79 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-03-31 01:15:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2023-03-31 01:15:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 147 states have internal predecessors, (167), 48 states have call successors, (48), 44 states have call predecessors, (48), 38 states have return successors, (45), 36 states have call predecessors, (45), 44 states have call successors, (45) [2023-03-31 01:15:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2023-03-31 01:15:02,643 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2023-03-31 01:15:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:02,643 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2023-03-31 01:15:02,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2023-03-31 01:15:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-03-31 01:15:02,644 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:02,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:02,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:02,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:02,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:02,645 INFO L85 PathProgramCache]: Analyzing trace with hash -675133039, now seen corresponding path program 1 times [2023-03-31 01:15:02,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:02,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994622041] [2023-03-31 01:15:02,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:02,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:15:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 01:15:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:02,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994622041] [2023-03-31 01:15:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994622041] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:02,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:02,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:15:02,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967169139] [2023-03-31 01:15:02,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:02,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:15:02,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:02,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:15:02,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:02,885 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:15:03,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:03,795 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2023-03-31 01:15:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:15:03,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-03-31 01:15:03,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:03,799 INFO L225 Difference]: With dead ends: 855 [2023-03-31 01:15:03,799 INFO L226 Difference]: Without dead ends: 663 [2023-03-31 01:15:03,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:03,801 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 418 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:03,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 118 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:15:03,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2023-03-31 01:15:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2023-03-31 01:15:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 344 states have (on average 1.2732558139534884) internal successors, (438), 396 states have internal predecessors, (438), 122 states have call successors, (122), 105 states have call predecessors, (122), 103 states have return successors, (146), 96 states have call predecessors, (146), 118 states have call successors, (146) [2023-03-31 01:15:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2023-03-31 01:15:03,874 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2023-03-31 01:15:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:03,874 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2023-03-31 01:15:03,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 01:15:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2023-03-31 01:15:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-03-31 01:15:03,875 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:03,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:03,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:15:03,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:03,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1095074505, now seen corresponding path program 1 times [2023-03-31 01:15:03,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:03,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698542833] [2023-03-31 01:15:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:15:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-03-31 01:15:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 01:15:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:03,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698542833] [2023-03-31 01:15:03,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698542833] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:03,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:15:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173227067] [2023-03-31 01:15:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:03,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:03,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:03,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:15:03,995 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:15:04,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:04,211 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2023-03-31 01:15:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:15:04,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2023-03-31 01:15:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:04,214 INFO L225 Difference]: With dead ends: 961 [2023-03-31 01:15:04,214 INFO L226 Difference]: Without dead ends: 415 [2023-03-31 01:15:04,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:15:04,216 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 183 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:04,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 40 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:15:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-03-31 01:15:04,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2023-03-31 01:15:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 252 states have (on average 1.2261904761904763) internal successors, (309), 274 states have internal predecessors, (309), 69 states have call successors, (69), 69 states have call predecessors, (69), 68 states have return successors, (71), 65 states have call predecessors, (71), 65 states have call successors, (71) [2023-03-31 01:15:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2023-03-31 01:15:04,254 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2023-03-31 01:15:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:04,255 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2023-03-31 01:15:04,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-03-31 01:15:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2023-03-31 01:15:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-03-31 01:15:04,256 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:04,256 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 01:15:04,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:15:04,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:04,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2026675354, now seen corresponding path program 1 times [2023-03-31 01:15:04,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:04,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527864748] [2023-03-31 01:15:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:04,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-31 01:15:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-31 01:15:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-03-31 01:15:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-03-31 01:15:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:15:04,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:04,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527864748] [2023-03-31 01:15:04,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527864748] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:04,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595858251] [2023-03-31 01:15:04,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:04,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:04,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:04,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:04,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:15:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:04,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-31 01:15:04,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:15:04,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:15:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 01:15:04,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595858251] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:15:04,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:15:04,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-03-31 01:15:04,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936943268] [2023-03-31 01:15:04,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:15:04,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:15:04,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:04,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:15:04,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:15:04,916 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:15:05,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:05,435 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2023-03-31 01:15:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:15:05,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 88 [2023-03-31 01:15:05,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:05,436 INFO L225 Difference]: With dead ends: 522 [2023-03-31 01:15:05,436 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:15:05,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:05,440 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 273 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:05,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 172 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:05,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:15:05,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:15:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 01:15:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:15:05,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-03-31 01:15:05,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:05,442 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:15:05,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-03-31 01:15:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:15:05,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:15:05,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:15:05,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 01:15:05,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:15:05,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:15:07,168 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L408(lines 385 409) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 361 416) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 361 416) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L387(line 387) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 453) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 453) no Hoare annotation was computed. [2023-03-31 01:15:07,169 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point L469(lines 442 470) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 417 476) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:07,170 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-03-31 01:15:07,170 INFO L902 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: true [2023-03-31 01:15:07,170 INFO L899 garLoopResultBuilder]: For program point L289-1(line 289) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 283 307) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 283 307) the Hoare annotation is: true [2023-03-31 01:15:07,171 INFO L895 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point L293-1(line 293) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 304) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 283 307) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 165 187) no Hoare annotation was computed. [2023-03-31 01:15:07,171 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,171 INFO L895 garLoopResultBuilder]: At program point L177-1(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 182) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 165 187) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,172 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,172 INFO L895 garLoopResultBuilder]: At program point L171-1(line 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,172 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 165 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:15:07,172 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 123 146) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2023-03-31 01:15:07,173 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 877 891) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 877 891) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~systemActive~0)| ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 877 891) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0))) [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 642 662) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 628 673) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 628 673) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 655) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 662) no Hoare annotation was computed. [2023-03-31 01:15:07,174 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L895 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 796) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L895 garLoopResultBuilder]: At program point L786(line 786) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point L786-1(line 786) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 801) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 804) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2023-03-31 01:15:07,175 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2023-03-31 01:15:07,175 INFO L895 garLoopResultBuilder]: At program point L731(lines 686 733) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,176 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2023-03-31 01:15:07,176 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 676 741) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,176 INFO L895 garLoopResultBuilder]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:15:07,176 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-03-31 01:15:07,176 INFO L895 garLoopResultBuilder]: At program point L722-1(lines 716 729) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,176 INFO L899 garLoopResultBuilder]: For program point L687(lines 686 733) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 729) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 249 271) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 249 271) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 249 271) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 805 812) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 805 812) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 805 812) no Hoare annotation was computed. [2023-03-31 01:15:07,177 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 272 280) the Hoare annotation is: true [2023-03-31 01:15:07,177 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 272 280) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 272 280) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (< |old(~waterLevel~0)| 2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2023-03-31 01:15:07,178 INFO L895 garLoopResultBuilder]: At program point L759(lines 759 765) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:07,178 INFO L895 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point L752(lines 751 770) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 748 771) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-03-31 01:15:07,178 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 90 119) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 240 248) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 240 248) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 240 248) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 204 215) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 204 215) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 215) the Hoare annotation is: true [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 216 227) no Hoare annotation was computed. [2023-03-31 01:15:07,179 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 216 227) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 216 227) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 189 196) the Hoare annotation is: true [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 832 840) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 832 840) no Hoare annotation was computed. [2023-03-31 01:15:07,180 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 832 840) the Hoare annotation is: true [2023-03-31 01:15:07,187 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 868) no Hoare annotation was computed. [2023-03-31 01:15:07,187 INFO L899 garLoopResultBuilder]: For program point L860-2(lines 860 868) no Hoare annotation was computed. [2023-03-31 01:15:07,187 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2023-03-31 01:15:07,187 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 841 876) no Hoare annotation was computed. [2023-03-31 01:15:07,187 INFO L899 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 841 876) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 841 876) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 315 360) no Hoare annotation was computed. [2023-03-31 01:15:07,188 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 315 360) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 155 164) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 155 164) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 155 164) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 821 831) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L902 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: true [2023-03-31 01:15:07,189 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 821 831) the Hoare annotation is: true [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point L826-1(line 826) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 821 831) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2023-03-31 01:15:07,189 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 813 820) the Hoare annotation is: true [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 813 820) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 609) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 616) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 582 627) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 582 627) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 524) no Hoare annotation was computed. [2023-03-31 01:15:07,190 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 575) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point L529(lines 528 548) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 566) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 479 581) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2023-03-31 01:15:07,191 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L544-1(line 544) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 578) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point L549(lines 527 550) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,192 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 01:15:07,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 228 239) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 228 239) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 147 153) no Hoare annotation was computed. [2023-03-31 01:15:07,193 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 147 153) the Hoare annotation is: true [2023-03-31 01:15:07,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,194 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:15:07,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:07,194 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:15:07,196 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 01:15:07,198 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:15:07,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:15:07 BoogieIcfgContainer [2023-03-31 01:15:07,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:15:07,211 INFO L158 Benchmark]: Toolchain (without parser) took 7740.13ms. Allocated memory was 213.9MB in the beginning and 343.9MB in the end (delta: 130.0MB). Free memory was 159.9MB in the beginning and 165.5MB in the end (delta: -5.7MB). Peak memory consumption was 191.1MB. Max. memory is 8.0GB. [2023-03-31 01:15:07,211 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 213.9MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:15:07,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.06ms. Allocated memory is still 213.9MB. Free memory was 159.9MB in the beginning and 141.9MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 01:15:07,211 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 213.9MB. Free memory was 141.9MB in the beginning and 138.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:15:07,213 INFO L158 Benchmark]: RCFGBuilder took 853.01ms. Allocated memory was 213.9MB in the beginning and 264.2MB in the end (delta: 50.3MB). Free memory was 138.4MB in the beginning and 225.8MB in the end (delta: -87.3MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-03-31 01:15:07,213 INFO L158 Benchmark]: TraceAbstraction took 6565.27ms. Allocated memory was 264.2MB in the beginning and 343.9MB in the end (delta: 79.7MB). Free memory was 224.7MB in the beginning and 165.5MB in the end (delta: 59.2MB). Peak memory consumption was 204.7MB. Max. memory is 8.0GB. [2023-03-31 01:15:07,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 213.9MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.06ms. Allocated memory is still 213.9MB. Free memory was 159.9MB in the beginning and 141.9MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 213.9MB. Free memory was 141.9MB in the beginning and 138.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 853.01ms. Allocated memory was 213.9MB in the beginning and 264.2MB in the end (delta: 50.3MB). Free memory was 138.4MB in the beginning and 225.8MB in the end (delta: -87.3MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6565.27ms. Allocated memory was 264.2MB in the beginning and 343.9MB in the end (delta: 79.7MB). Free memory was 224.7MB in the beginning and 165.5MB in the end (delta: 59.2MB). Peak memory consumption was 204.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1392 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1339 mSDsluCounter, 458 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 729 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3117 IncrementalHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 729 mSolverCounterUnsat, 88 mSDtfsCounter, 3117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 280 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 780 HoareAnnotationTreeSize, 618 FomulaSimplifications, 11560 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3785 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1283 SizeOfPredicates, 3 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 63/69 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 01:15:07,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...