/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_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:05:25,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:05:25,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:05:25,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:05:25,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:05:25,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:05:25,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:05:25,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:05:25,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:05:25,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:05:25,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:05:25,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:05:25,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:05:25,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:05:25,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:05:25,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:05:25,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:05:25,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:05:25,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:05:25,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:05:25,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:05:25,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:05:25,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:05:25,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:05:25,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:05:25,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:05:25,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:05:25,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:05:25,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:05:25,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:05:25,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:05:25,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:05:25,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:05:25,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:05:25,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:05:25,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:05:25,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:05:25,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:05:25,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:05:25,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:05:25,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:05:25,964 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 [2023-04-02 04:05:25,980 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:05:25,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:05:25,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:05:25,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:05:25,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:05:25,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:05:25,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:05:25,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:05:25,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:05:25,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:05:25,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:05:25,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:05:25,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:05:25,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:05:25,986 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:05:25,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:05:25,986 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:05:25,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:05:26,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:05:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:05:26,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:05:26,189 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:05:26,189 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:05:26,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2023-04-02 04:05:27,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:05:27,539 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:05:27,540 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2023-04-02 04:05:27,548 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae9dda15/5e2ec61efd284fafa28b9cf427eaafaf/FLAG1c0f0e4ae [2023-04-02 04:05:27,559 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae9dda15/5e2ec61efd284fafa28b9cf427eaafaf [2023-04-02 04:05:27,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:05:27,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:05:27,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:05:27,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:05:27,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:05:27,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:05:27" (1/1) ... [2023-04-02 04:05:27,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae69fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:27, skipping insertion in model container [2023-04-02 04:05:27,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:05:27" (1/1) ... [2023-04-02 04:05:27,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:05:27,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:05:27,780 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_spec1_product45.cil.c[3064,3077] [2023-04-02 04:05:27,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:05:27,918 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:05:27,948 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_spec1_product45.cil.c[3064,3077] [2023-04-02 04:05:28,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:05:28,022 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:05:28,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28 WrapperNode [2023-04-02 04:05:28,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:05:28,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:05:28,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:05:28,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:05:28,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:05:28,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:05:28,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:05:28,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:05:28,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (1/1) ... [2023-04-02 04:05:28,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:05:28,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:05:28,162 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) [2023-04-02 04:05:28,163 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 [2023-04-02 04:05:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:05:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:05:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:05:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:05:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:05:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-02 04:05:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:05:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:05:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:05:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-02 04:05:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:05:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:05:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:05:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:05:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:05:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:05:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:05:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:05:28,364 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:05:28,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:05:28,886 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:05:28,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:05:28,893 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:05:28,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:05:28 BoogieIcfgContainer [2023-04-02 04:05:28,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:05:28,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:05:28,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:05:28,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:05:28,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:05:27" (1/3) ... [2023-04-02 04:05:28,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cb6816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:05:28, skipping insertion in model container [2023-04-02 04:05:28,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:05:28" (2/3) ... [2023-04-02 04:05:28,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cb6816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:05:28, skipping insertion in model container [2023-04-02 04:05:28,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:05:28" (3/3) ... [2023-04-02 04:05:28,903 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2023-04-02 04:05:28,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:05:28,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:05:28,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:05:28,986 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;@2b3e0821, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:05:28,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:05:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 95 states have (on average 1.305263157894737) internal successors, (124), 108 states have internal predecessors, (124), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 04:05:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:05:28,999 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:29,000 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] [2023-04-02 04:05:29,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:29,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1255165330, now seen corresponding path program 1 times [2023-04-02 04:05:29,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818877503] [2023-04-02 04:05:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:05:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:05:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:29,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:29,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818877503] [2023-04-02 04:05:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818877503] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:29,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:29,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:05:29,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214956849] [2023-04-02 04:05:29,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:29,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:05:29,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:05:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:05:29,311 INFO L87 Difference]: Start difference. First operand has 173 states, 95 states have (on average 1.305263157894737) internal successors, (124), 108 states have internal predecessors, (124), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) 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) [2023-04-02 04:05:29,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:29,882 INFO L93 Difference]: Finished difference Result 303 states and 398 transitions. [2023-04-02 04:05:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:05:29,884 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 [2023-04-02 04:05:29,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:29,897 INFO L225 Difference]: With dead ends: 303 [2023-04-02 04:05:29,897 INFO L226 Difference]: Without dead ends: 164 [2023-04-02 04:05:29,901 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 [2023-04-02 04:05:29,906 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 96 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:29,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 20 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:05:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-04-02 04:05:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2023-04-02 04:05:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 76 states have (on average 1.25) internal successors, (95), 86 states have internal predecessors, (95), 32 states have call successors, (32), 26 states have call predecessors, (32), 21 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-02 04:05:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2023-04-02 04:05:29,976 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2023-04-02 04:05:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:29,978 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2023-04-02 04:05:29,978 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) [2023-04-02 04:05:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2023-04-02 04:05:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:05:29,983 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:29,983 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] [2023-04-02 04:05:29,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:05:29,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:29,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1422499134, now seen corresponding path program 1 times [2023-04-02 04:05:29,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:29,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031122111] [2023-04-02 04:05:29,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:29,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:05:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:05:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:30,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:30,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031122111] [2023-04-02 04:05:30,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031122111] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:30,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:30,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:05:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265463633] [2023-04-02 04:05:30,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:30,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:05:30,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:30,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:05:30,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:05:30,097 INFO L87 Difference]: Start difference. First operand 130 states and 154 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) [2023-04-02 04:05:30,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:30,483 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2023-04-02 04:05:30,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:05:30,484 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 [2023-04-02 04:05:30,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:30,487 INFO L225 Difference]: With dead ends: 236 [2023-04-02 04:05:30,487 INFO L226 Difference]: Without dead ends: 148 [2023-04-02 04:05:30,488 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 [2023-04-02 04:05:30,489 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 106 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:30,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 27 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:05:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-04-02 04:05:30,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2023-04-02 04:05:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 80 states have internal predecessors, (88), 29 states have call successors, (29), 25 states have call predecessors, (29), 21 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:05:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2023-04-02 04:05:30,518 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2023-04-02 04:05:30,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:30,518 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2023-04-02 04:05:30,518 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) [2023-04-02 04:05:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2023-04-02 04:05:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:05:30,520 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:30,520 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] [2023-04-02 04:05:30,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:05:30,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:30,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash -632566614, now seen corresponding path program 1 times [2023-04-02 04:05:30,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:30,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558119481] [2023-04-02 04:05:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:05:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:05:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:30,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:30,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558119481] [2023-04-02 04:05:30,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558119481] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:30,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:30,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:05:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227710654] [2023-04-02 04:05:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:30,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:05:30,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:30,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:05:30,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:05:30,704 INFO L87 Difference]: Start difference. First operand 121 states and 142 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) [2023-04-02 04:05:31,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:31,259 INFO L93 Difference]: Finished difference Result 245 states and 303 transitions. [2023-04-02 04:05:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:05:31,260 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 [2023-04-02 04:05:31,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:31,261 INFO L225 Difference]: With dead ends: 245 [2023-04-02 04:05:31,261 INFO L226 Difference]: Without dead ends: 148 [2023-04-02 04:05:31,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:31,263 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 281 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:31,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 36 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:05:31,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-04-02 04:05:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2023-04-02 04:05:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 79 states have internal predecessors, (87), 29 states have call successors, (29), 25 states have call predecessors, (29), 21 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:05:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2023-04-02 04:05:31,289 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2023-04-02 04:05:31,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:31,290 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2023-04-02 04:05:31,290 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) [2023-04-02 04:05:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2023-04-02 04:05:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-02 04:05:31,291 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:31,292 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, 1, 1, 1] [2023-04-02 04:05:31,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:05:31,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:31,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash 796647774, now seen corresponding path program 1 times [2023-04-02 04:05:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:31,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042773865] [2023-04-02 04:05:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:05:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:05:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:05:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:31,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:31,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042773865] [2023-04-02 04:05:31,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042773865] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:31,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:31,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:05:31,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683996126] [2023-04-02 04:05:31,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:31,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:05:31,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:31,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:05:31,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:05:31,495 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:05:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:31,997 INFO L93 Difference]: Finished difference Result 342 states and 424 transitions. [2023-04-02 04:05:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:05:31,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2023-04-02 04:05:31,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:31,999 INFO L225 Difference]: With dead ends: 342 [2023-04-02 04:05:31,999 INFO L226 Difference]: Without dead ends: 245 [2023-04-02 04:05:32,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:05:32,001 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 311 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:32,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 89 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:05:32,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-04-02 04:05:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 204. [2023-04-02 04:05:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 122 states have (on average 1.2049180327868851) internal successors, (147), 130 states have internal predecessors, (147), 41 states have call successors, (41), 38 states have call predecessors, (41), 40 states have return successors, (45), 40 states have call predecessors, (45), 37 states have call successors, (45) [2023-04-02 04:05:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2023-04-02 04:05:32,037 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2023-04-02 04:05:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:32,037 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2023-04-02 04:05:32,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:05:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2023-04-02 04:05:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-04-02 04:05:32,039 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:32,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:32,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:05:32,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:32,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:32,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2024084577, now seen corresponding path program 1 times [2023-04-02 04:05:32,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999891263] [2023-04-02 04:05:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:05:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:05:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:05:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:32,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:32,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999891263] [2023-04-02 04:05:32,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999891263] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:32,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:32,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:05:32,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130064064] [2023-04-02 04:05:32,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:32,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:05:32,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:32,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:05:32,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:05:32,247 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-02 04:05:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:32,989 INFO L93 Difference]: Finished difference Result 607 states and 749 transitions. [2023-04-02 04:05:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:05:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 78 [2023-04-02 04:05:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:32,993 INFO L225 Difference]: With dead ends: 607 [2023-04-02 04:05:32,993 INFO L226 Difference]: Without dead ends: 427 [2023-04-02 04:05:32,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:05:32,995 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 255 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:32,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 83 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:05:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-04-02 04:05:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 363. [2023-04-02 04:05:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 220 states have (on average 1.190909090909091) internal successors, (262), 235 states have internal predecessors, (262), 70 states have call successors, (70), 64 states have call predecessors, (70), 72 states have return successors, (84), 72 states have call predecessors, (84), 66 states have call successors, (84) [2023-04-02 04:05:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2023-04-02 04:05:33,045 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2023-04-02 04:05:33,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:33,045 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2023-04-02 04:05:33,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-02 04:05:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2023-04-02 04:05:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-02 04:05:33,046 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:33,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:33,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:05:33,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:33,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1165718435, now seen corresponding path program 1 times [2023-04-02 04:05:33,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:33,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038428408] [2023-04-02 04:05:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:33,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:05:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 04:05:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:05:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:33,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:33,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038428408] [2023-04-02 04:05:33,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038428408] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:33,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:33,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:05:33,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411806421] [2023-04-02 04:05:33,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:33,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:05:33,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:33,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:05:33,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:05:33,235 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 04:05:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:34,084 INFO L93 Difference]: Finished difference Result 466 states and 584 transitions. [2023-04-02 04:05:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 04:05:34,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 82 [2023-04-02 04:05:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:34,091 INFO L225 Difference]: With dead ends: 466 [2023-04-02 04:05:34,091 INFO L226 Difference]: Without dead ends: 463 [2023-04-02 04:05:34,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:05:34,095 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 321 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:34,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 106 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:05:34,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-04-02 04:05:34,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 363. [2023-04-02 04:05:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 220 states have (on average 1.1863636363636363) internal successors, (261), 235 states have internal predecessors, (261), 70 states have call successors, (70), 64 states have call predecessors, (70), 72 states have return successors, (84), 72 states have call predecessors, (84), 66 states have call successors, (84) [2023-04-02 04:05:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2023-04-02 04:05:34,151 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2023-04-02 04:05:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2023-04-02 04:05:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 04:05:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2023-04-02 04:05:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-02 04:05:34,156 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:34,156 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:34,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 04:05:34,157 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:34,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1306318393, now seen corresponding path program 1 times [2023-04-02 04:05:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002354059] [2023-04-02 04:05:34,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:34,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:05:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 04:05:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:05:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:05:34,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:34,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002354059] [2023-04-02 04:05:34,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002354059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:34,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:34,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:05:34,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897273910] [2023-04-02 04:05:34,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:34,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:05:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:34,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:05:34,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:05:34,366 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 04:05:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:35,042 INFO L93 Difference]: Finished difference Result 810 states and 1008 transitions. [2023-04-02 04:05:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:05:35,042 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 98 [2023-04-02 04:05:35,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:35,045 INFO L225 Difference]: With dead ends: 810 [2023-04-02 04:05:35,045 INFO L226 Difference]: Without dead ends: 471 [2023-04-02 04:05:35,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:05:35,047 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 159 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:35,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 65 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:05:35,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-04-02 04:05:35,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 373. [2023-04-02 04:05:35,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 228 states have (on average 1.1798245614035088) internal successors, (269), 243 states have internal predecessors, (269), 70 states have call successors, (70), 64 states have call predecessors, (70), 74 states have return successors, (86), 74 states have call predecessors, (86), 66 states have call successors, (86) [2023-04-02 04:05:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2023-04-02 04:05:35,081 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2023-04-02 04:05:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:35,082 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2023-04-02 04:05:35,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 04:05:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2023-04-02 04:05:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-02 04:05:35,083 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:35,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:35,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 04:05:35,084 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:35,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:35,084 INFO L85 PathProgramCache]: Analyzing trace with hash -412832055, now seen corresponding path program 1 times [2023-04-02 04:05:35,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:35,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927606234] [2023-04-02 04:05:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:35,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:05:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 04:05:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:05:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:05:35,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:35,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927606234] [2023-04-02 04:05:35,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927606234] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:35,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:35,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:05:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951884604] [2023-04-02 04:05:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:35,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:05:35,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:35,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:05:35,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:05:35,252 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 04:05:36,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:36,044 INFO L93 Difference]: Finished difference Result 830 states and 1030 transitions. [2023-04-02 04:05:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:05:36,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) Word has length 98 [2023-04-02 04:05:36,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:36,049 INFO L225 Difference]: With dead ends: 830 [2023-04-02 04:05:36,049 INFO L226 Difference]: Without dead ends: 481 [2023-04-02 04:05:36,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:05:36,050 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 317 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:36,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 73 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:05:36,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-04-02 04:05:36,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 381. [2023-04-02 04:05:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 234 states have (on average 1.1752136752136753) internal successors, (275), 249 states have internal predecessors, (275), 70 states have call successors, (70), 64 states have call predecessors, (70), 76 states have return successors, (88), 76 states have call predecessors, (88), 66 states have call successors, (88) [2023-04-02 04:05:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2023-04-02 04:05:36,093 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2023-04-02 04:05:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:36,095 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2023-04-02 04:05:36,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 04:05:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2023-04-02 04:05:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-04-02 04:05:36,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:36,099 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:36,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:05:36,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:36,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:36,100 INFO L85 PathProgramCache]: Analyzing trace with hash -420591414, now seen corresponding path program 1 times [2023-04-02 04:05:36,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:36,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817914848] [2023-04-02 04:05:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:36,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:05:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 04:05:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:05:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:05:36,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:36,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817914848] [2023-04-02 04:05:36,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817914848] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:36,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:36,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 04:05:36,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552154575] [2023-04-02 04:05:36,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:36,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 04:05:36,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:36,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 04:05:36,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:05:36,299 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-02 04:05:37,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:37,016 INFO L93 Difference]: Finished difference Result 1133 states and 1452 transitions. [2023-04-02 04:05:37,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 04:05:37,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 98 [2023-04-02 04:05:37,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:37,020 INFO L225 Difference]: With dead ends: 1133 [2023-04-02 04:05:37,020 INFO L226 Difference]: Without dead ends: 776 [2023-04-02 04:05:37,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:05:37,022 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 533 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:37,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 96 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:05:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-04-02 04:05:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 677. [2023-04-02 04:05:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 428 states have (on average 1.1682242990654206) internal successors, (500), 455 states have internal predecessors, (500), 124 states have call successors, (124), 114 states have call predecessors, (124), 124 states have return successors, (179), 126 states have call predecessors, (179), 120 states have call successors, (179) [2023-04-02 04:05:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 803 transitions. [2023-04-02 04:05:37,112 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 803 transitions. Word has length 98 [2023-04-02 04:05:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:37,113 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 803 transitions. [2023-04-02 04:05:37,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (22), 6 states have call predecessors, (22), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-04-02 04:05:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 803 transitions. [2023-04-02 04:05:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-02 04:05:37,115 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:37,115 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:37,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:05:37,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:37,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2067728380, now seen corresponding path program 1 times [2023-04-02 04:05:37,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:37,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175223360] [2023-04-02 04:05:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:05:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 04:05:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:05:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 04:05:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:05:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:05:37,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:37,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175223360] [2023-04-02 04:05:37,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175223360] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:05:37,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533800606] [2023-04-02 04:05:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:37,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:05:37,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:05:37,437 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) [2023-04-02 04:05:37,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:05:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 04:05:37,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:05:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:05:37,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:05:37,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533800606] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:37,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:05:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2023-04-02 04:05:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079221351] [2023-04-02 04:05:37,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:37,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:05:37,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:37,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:05:37,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:05:37,899 INFO L87 Difference]: Start difference. First operand 677 states and 803 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-02 04:05:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:38,093 INFO L93 Difference]: Finished difference Result 1296 states and 1548 transitions. [2023-04-02 04:05:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:05:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 102 [2023-04-02 04:05:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:38,097 INFO L225 Difference]: With dead ends: 1296 [2023-04-02 04:05:38,097 INFO L226 Difference]: Without dead ends: 643 [2023-04-02 04:05:38,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:05:38,099 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 68 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:38,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1191 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:05:38,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2023-04-02 04:05:38,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2023-04-02 04:05:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 407 states have (on average 1.1547911547911547) internal successors, (470), 433 states have internal predecessors, (470), 119 states have call successors, (119), 109 states have call predecessors, (119), 116 states have return successors, (160), 118 states have call predecessors, (160), 115 states have call successors, (160) [2023-04-02 04:05:38,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 749 transitions. [2023-04-02 04:05:38,168 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 749 transitions. Word has length 102 [2023-04-02 04:05:38,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:38,168 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 749 transitions. [2023-04-02 04:05:38,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-02 04:05:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 749 transitions. [2023-04-02 04:05:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-02 04:05:38,170 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:38,171 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:38,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 04:05:38,377 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,SelfDestructingSolverStorable9 [2023-04-02 04:05:38,377 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:38,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash 257714502, now seen corresponding path program 1 times [2023-04-02 04:05:38,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:38,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727746035] [2023-04-02 04:05:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:38,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:05:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:05:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:05:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:05:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:05:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:05:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 04:05:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:05:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:05:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:05:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 04:05:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727746035] [2023-04-02 04:05:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727746035] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:05:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772307824] [2023-04-02 04:05:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:05:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:05:38,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:05:38,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:05:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:38,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 04:05:38,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:05:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-02 04:05:38,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:05:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772307824] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:38,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:05:38,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2023-04-02 04:05:38,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911997513] [2023-04-02 04:05:38,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:38,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:05:38,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:38,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:05:38,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2023-04-02 04:05:38,989 INFO L87 Difference]: Start difference. First operand 643 states and 749 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 04:05:39,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:39,166 INFO L93 Difference]: Finished difference Result 1085 states and 1284 transitions. [2023-04-02 04:05:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:05:39,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) Word has length 153 [2023-04-02 04:05:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:39,167 INFO L225 Difference]: With dead ends: 1085 [2023-04-02 04:05:39,167 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:05:39,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2023-04-02 04:05:39,170 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 74 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:39,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1042 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:05:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:05:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:05:39,171 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) [2023-04-02 04:05:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:05:39,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2023-04-02 04:05:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:39,171 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:05:39,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (26), 5 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-02 04:05:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:05:39,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:05:39,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:05:39,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:05:39,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-02 04:05:39,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:06:23,346 WARN L223 SmtUtils]: Spent 43.06s on a formula simplification. DAG size of input: 100 DAG size of output: 184 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:07:05,544 WARN L223 SmtUtils]: Spent 42.20s on a formula simplification. DAG size of input: 100 DAG size of output: 184 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:07:48,667 WARN L223 SmtUtils]: Spent 42.76s on a formula simplification. DAG size of input: 102 DAG size of output: 188 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:08:30,849 WARN L223 SmtUtils]: Spent 42.18s on a formula simplification. DAG size of input: 100 DAG size of output: 184 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:08:33,777 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:08:33,777 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:08:33,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:08:33,777 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2023-04-02 04:08:33,777 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 407 411) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 376 431) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 422) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 376 431) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L423(lines 400 424) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 376 431) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 432 491) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 432 491) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 432 491) no Hoare annotation was computed. [2023-04-02 04:08:33,778 INFO L899 garLoopResultBuilder]: For program point L458-2(lines 458 483) no Hoare annotation was computed. [2023-04-02 04:08:33,779 INFO L899 garLoopResultBuilder]: For program point L484(lines 457 485) no Hoare annotation was computed. [2023-04-02 04:08:33,779 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 314 322) no Hoare annotation was computed. [2023-04-02 04:08:33,779 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 314 322) no Hoare annotation was computed. [2023-04-02 04:08:33,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 314 322) the Hoare annotation is: true [2023-04-02 04:08:33,779 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 265 287) no Hoare annotation was computed. [2023-04-02 04:08:33,779 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-02 04:08:33,780 INFO L895 garLoopResultBuilder]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1))) [2023-04-02 04:08:33,780 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2023-04-02 04:08:33,780 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 275 282) no Hoare annotation was computed. [2023-04-02 04:08:33,780 INFO L899 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2023-04-02 04:08:33,780 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,780 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,780 INFO L895 garLoopResultBuilder]: At program point L271-1(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,780 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 265 287) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 265 287) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 243) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-04-02 04:08:33,781 INFO L899 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 300 306) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 300 306) the Hoare annotation is: true [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 643 688) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 670) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 677) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 657 677) no Hoare annotation was computed. [2023-04-02 04:08:33,782 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 643 688) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 643 688) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-04-02 04:08:33,783 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,783 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7)) .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2023-04-02 04:08:33,783 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 834) no Hoare annotation was computed. [2023-04-02 04:08:33,783 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 818 842) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 818 842) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,784 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse0 .cse1 .cse4) (or .cse3 .cse0 .cse2))) [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point L837-1(lines 818 842) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 784 790) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 784 790) the Hoare annotation is: true [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 706) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 690 753) no Hoare annotation was computed. [2023-04-02 04:08:33,784 INFO L895 garLoopResultBuilder]: At program point L746(lines 699 747) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,785 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 690 753) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,785 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 740) no Hoare annotation was computed. [2023-04-02 04:08:33,785 INFO L895 garLoopResultBuilder]: At program point L736-2(lines 730 741) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~methaneLevelCritical~0 0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse1 .cse0))) [2023-04-02 04:08:33,785 INFO L899 garLoopResultBuilder]: For program point L701(lines 700 745) no Hoare annotation was computed. [2023-04-02 04:08:33,785 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 741) no Hoare annotation was computed. [2023-04-02 04:08:33,785 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~methaneLevelCritical~0 0) .cse0) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1 .cse0))) [2023-04-02 04:08:33,785 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2023-04-02 04:08:33,785 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2023-04-02 04:08:33,785 INFO L895 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~methaneLevelCritical~0 0) .cse0) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1 .cse0))) [2023-04-02 04:08:33,786 INFO L895 garLoopResultBuilder]: At program point L743(lines 700 745) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~methaneLevelCritical~0 0) .cse0) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1 .cse0))) [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 716) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 690 753) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point L862-1(lines 851 867) no Hoare annotation was computed. [2023-04-02 04:08:33,786 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 851 867) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 867) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,787 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 932 950) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point L941(lines 941 945) no Hoare annotation was computed. [2023-04-02 04:08:33,787 INFO L902 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: true [2023-04-02 04:08:33,787 INFO L899 garLoopResultBuilder]: For program point L941-2(lines 941 945) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point L939-1(line 939) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 932 950) the Hoare annotation is: true [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 932 950) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse1) (or .cse0 .cse2 .cse4))) [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point L764(lines 763 782) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 760 783) no Hoare annotation was computed. [2023-04-02 04:08:33,788 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 760 783) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,788 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 760 783) no Hoare annotation was computed. [2023-04-02 04:08:33,789 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse4)) (.cse1 (and (= ~pumpRunning~0 0) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse3) .cse4))) (and (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2023-04-02 04:08:33,789 INFO L895 garLoopResultBuilder]: At program point L771(lines 771 777) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (and .cse0 .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse3 .cse1 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse3 .cse1 (<= 2 ~waterLevel~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse4 .cse2)))) [2023-04-02 04:08:33,789 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2023-04-02 04:08:33,789 INFO L902 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2023-04-02 04:08:33,789 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-04-02 04:08:33,789 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2023-04-02 04:08:33,789 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2023-04-02 04:08:33,789 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 189 218) the Hoare annotation is: true [2023-04-02 04:08:33,789 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L902 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2023-04-02 04:08:33,790 INFO L902 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,790 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 151 158) no Hoare annotation was computed. [2023-04-02 04:08:33,790 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 151 158) the Hoare annotation is: true [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 151 158) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 307 313) the Hoare annotation is: true [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 307 313) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 808) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse3 .cse0 (< ~methaneLevelCritical~0 1)) (or .cse3 .cse0 .cse2))) [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 813) no Hoare annotation was computed. [2023-04-02 04:08:33,791 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 792 816) no Hoare annotation was computed. [2023-04-02 04:08:33,792 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse0 .cse1))) [2023-04-02 04:08:33,792 INFO L899 garLoopResultBuilder]: For program point L811-1(lines 792 816) no Hoare annotation was computed. [2023-04-02 04:08:33,792 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 816) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,792 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__methaneQuery_~tmp~6 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse3 .cse2))) [2023-04-02 04:08:33,792 INFO L895 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (not .cse3)) (.cse2 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) .cse3 .cse0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2023-04-02 04:08:33,792 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 887 895) no Hoare annotation was computed. [2023-04-02 04:08:33,792 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 887 895) no Hoare annotation was computed. [2023-04-02 04:08:33,792 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 887 895) the Hoare annotation is: true [2023-04-02 04:08:33,792 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2023-04-02 04:08:33,792 INFO L899 garLoopResultBuilder]: For program point L926-1(line 926) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 923) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 896 931) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 896 931) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 911) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point L903-2(lines 903 911) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 896 931) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 330 375) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 330 375) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 330 375) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 252 261) no Hoare annotation was computed. [2023-04-02 04:08:33,793 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 261) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-04-02 04:08:33,793 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 252 261) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 876 886) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 876 886) the Hoare annotation is: true [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 876 886) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 868 875) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 868 875) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1)))) [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 868 875) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 597 642) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 597 642) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 597 642) no Hoare annotation was computed. [2023-04-02 04:08:33,794 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 624) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 631) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 843 850) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 843 850) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (< ~waterLevel~0 2)) [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 843 850) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 290 299) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 290 299) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 290 299) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 549) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 563) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L564(lines 542 565) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 539) no Hoare annotation was computed. [2023-04-02 04:08:33,795 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 494 596) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 590) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 494 596) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L544(lines 543 563) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 581) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 494 596) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 593) no Hoare annotation was computed. [2023-04-02 04:08:33,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,796 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|)) [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0) (or (not (= ~pumpRunning~0 0)) .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1)))) [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2023-04-02 04:08:33,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,797 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 161 185) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L895 garLoopResultBuilder]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (< ~methaneLevelCritical~0 1)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L895 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point L171-1(line 171) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 161 185) the Hoare annotation is: true [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 182) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 161 185) no Hoare annotation was computed. [2023-04-02 04:08:33,798 INFO L902 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: true [2023-04-02 04:08:33,798 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2023-04-02 04:08:33,802 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:08:33,804 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:08:33,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:08:33 BoogieIcfgContainer [2023-04-02 04:08:33,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:08:33,817 INFO L158 Benchmark]: Toolchain (without parser) took 186254.10ms. Allocated memory was 187.7MB in the beginning and 715.1MB in the end (delta: 527.4MB). Free memory was 127.2MB in the beginning and 425.9MB in the end (delta: -298.7MB). Peak memory consumption was 417.1MB. Max. memory is 8.0GB. [2023-04-02 04:08:33,817 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 187.7MB. Free memory is still 138.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:08:33,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.57ms. Allocated memory is still 187.7MB. Free memory was 127.0MB in the beginning and 108.6MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:08:33,817 INFO L158 Benchmark]: Boogie Preprocessor took 96.45ms. Allocated memory was 187.7MB in the beginning and 273.7MB in the end (delta: 86.0MB). Free memory was 108.6MB in the beginning and 238.8MB in the end (delta: -130.2MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2023-04-02 04:08:33,818 INFO L158 Benchmark]: RCFGBuilder took 774.46ms. Allocated memory is still 273.7MB. Free memory was 238.8MB in the beginning and 200.0MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-04-02 04:08:33,818 INFO L158 Benchmark]: TraceAbstraction took 184918.43ms. Allocated memory was 273.7MB in the beginning and 715.1MB in the end (delta: 441.5MB). Free memory was 199.0MB in the beginning and 425.9MB in the end (delta: -227.0MB). Peak memory consumption was 402.7MB. Max. memory is 8.0GB. [2023-04-02 04:08:33,819 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 187.7MB. Free memory is still 138.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.57ms. Allocated memory is still 187.7MB. Free memory was 127.0MB in the beginning and 108.6MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 96.45ms. Allocated memory was 187.7MB in the beginning and 273.7MB in the end (delta: 86.0MB). Free memory was 108.6MB in the beginning and 238.8MB in the end (delta: -130.2MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * RCFGBuilder took 774.46ms. Allocated memory is still 273.7MB. Free memory was 238.8MB in the beginning and 200.0MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 184918.43ms. Allocated memory was 273.7MB in the beginning and 715.1MB in the end (delta: 441.5MB). Free memory was 199.0MB in the beginning and 425.9MB in the end (delta: -227.0MB). Peak memory consumption was 402.7MB. 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: 155]: 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 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 184.8s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 174.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2652 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2521 mSDsluCounter, 2828 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2250 mSDsCounter, 1257 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5991 IncrementalHoareTripleChecker+Invalid, 7248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1257 mSolverCounterUnsat, 578 mSDtfsCounter, 5991 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 560 SyntacticMatches, 3 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=677occurred in iteration=9, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 590 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1444 PreInvPairs, 1531 NumberOfFragments, 1372 HoareAnnotationTreeSize, 1444 FomulaSimplifications, 4582760 FormulaSimplificationTreeSizeReduction, 171.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 49896 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1172 NumberOfCodeBlocks, 1172 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 2245 SizeOfPredicates, 6 NumberOfNonLiveVariables, 892 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 106/111 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: 699]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 1 == systemActive) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:08:33,843 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...