/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:34,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:34,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:34,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:34,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:34,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:34,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:34,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:34,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:34,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:34,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:34,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:34,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:34,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:34,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:34,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:34,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:34,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:34,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:34,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:34,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:34,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:34,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:34,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:34,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:34,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:34,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:34,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:34,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:34,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:34,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:34,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:34,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:34,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:34,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:34,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:34,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:34,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:34,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:34,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:34,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:34,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:15:34,890 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:34,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:34,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:34,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:34,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:34,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:34,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:34,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:34,894 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:34,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:34,895 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:34,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:34,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:34,896 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:34,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:34,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:34,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:34,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:34,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:34,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:34,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:34,899 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:34,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:34,899 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:34,899 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:35,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:35,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:35,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:35,170 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:35,172 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:35,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2023-03-31 01:15:36,322 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:36,630 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:36,631 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2023-03-31 01:15:36,642 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58513049e/0bb3ec65bdba4e6d8cfc14431530bcd2/FLAG6e6581fe0 [2023-03-31 01:15:36,658 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58513049e/0bb3ec65bdba4e6d8cfc14431530bcd2 [2023-03-31 01:15:36,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:36,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:36,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:36,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:36,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:36,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:36" (1/1) ... [2023-03-31 01:15:36,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cdf2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:36, skipping insertion in model container [2023-03-31 01:15:36,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:36" (1/1) ... [2023-03-31 01:15:36,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:36,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:36,857 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c[4301,4314] [2023-03-31 01:15:36,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:36,926 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:36,951 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c[4301,4314] [2023-03-31 01:15:36,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:37,005 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:37,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37 WrapperNode [2023-03-31 01:15:37,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:37,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:37,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:37,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:37,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:37,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:37,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:37,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:37,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (1/1) ... [2023-03-31 01:15:37,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:37,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:37,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:15:37,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:15:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:15:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:37,291 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:37,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:37,834 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:37,842 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:37,842 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:37,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:37 BoogieIcfgContainer [2023-03-31 01:15:37,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:37,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:37,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:37,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:37,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:36" (1/3) ... [2023-03-31 01:15:37,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78315a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:37, skipping insertion in model container [2023-03-31 01:15:37,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:37" (2/3) ... [2023-03-31 01:15:37,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78315a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:37, skipping insertion in model container [2023-03-31 01:15:37,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:37" (3/3) ... [2023-03-31 01:15:37,852 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38.cil.c [2023-03-31 01:15:37,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:37,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:37,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:37,908 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;@2d1c6d0a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:37,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 108 states have internal predecessors, (123), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-03-31 01:15:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:37,926 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:37,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:37,928 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:37,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:37,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1554272678, now seen corresponding path program 1 times [2023-03-31 01:15:37,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:37,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105281670] [2023-03-31 01:15:37,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:37,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:38,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:38,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105281670] [2023-03-31 01:15:38,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105281670] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:38,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:38,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:38,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140916982] [2023-03-31 01:15:38,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:38,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:38,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:38,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:38,335 INFO L87 Difference]: Start difference. First operand has 173 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 108 states have internal predecessors, (123), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:38,867 INFO L93 Difference]: Finished difference Result 302 states and 392 transitions. [2023-03-31 01:15:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:15:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:38,888 INFO L225 Difference]: With dead ends: 302 [2023-03-31 01:15:38,888 INFO L226 Difference]: Without dead ends: 163 [2023-03-31 01:15:38,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:38,899 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 93 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:38,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 22 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-03-31 01:15:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 130. [2023-03-31 01:15:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 76 states have (on average 1.236842105263158) internal successors, (94), 86 states have internal predecessors, (94), 31 states have call successors, (31), 27 states have call predecessors, (31), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 01:15:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2023-03-31 01:15:38,976 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2023-03-31 01:15:38,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:38,977 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2023-03-31 01:15:38,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2023-03-31 01:15:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:38,980 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:38,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:38,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:38,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:38,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1766103738, now seen corresponding path program 1 times [2023-03-31 01:15:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:38,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692028663] [2023-03-31 01:15:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:39,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:39,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692028663] [2023-03-31 01:15:39,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692028663] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:39,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:39,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:39,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686849778] [2023-03-31 01:15:39,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:39,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:39,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:39,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:39,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:39,092 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:39,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:39,472 INFO L93 Difference]: Finished difference Result 231 states and 279 transitions. [2023-03-31 01:15:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:39,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:15:39,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:39,474 INFO L225 Difference]: With dead ends: 231 [2023-03-31 01:15:39,475 INFO L226 Difference]: Without dead ends: 147 [2023-03-31 01:15:39,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:15:39,477 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 103 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:39,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 30 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-03-31 01:15:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 121. [2023-03-31 01:15:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 80 states have internal predecessors, (87), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-03-31 01:15:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2023-03-31 01:15:39,504 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2023-03-31 01:15:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:39,505 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2023-03-31 01:15:39,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2023-03-31 01:15:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 01:15:39,506 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:39,506 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] [2023-03-31 01:15:39,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:39,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:39,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:39,507 INFO L85 PathProgramCache]: Analyzing trace with hash -37799176, now seen corresponding path program 1 times [2023-03-31 01:15:39,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:39,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998569649] [2023-03-31 01:15:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:39,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:15:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:39,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:39,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998569649] [2023-03-31 01:15:39,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998569649] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:39,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:39,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:39,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452915165] [2023-03-31 01:15:39,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:39,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:39,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:39,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:39,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:39,760 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:40,314 INFO L93 Difference]: Finished difference Result 244 states and 297 transitions. [2023-03-31 01:15:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:15:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 52 [2023-03-31 01:15:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:40,319 INFO L225 Difference]: With dead ends: 244 [2023-03-31 01:15:40,320 INFO L226 Difference]: Without dead ends: 147 [2023-03-31 01:15:40,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:40,327 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 193 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:40,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 37 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-03-31 01:15:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 121. [2023-03-31 01:15:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 79 states have internal predecessors, (86), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-03-31 01:15:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2023-03-31 01:15:40,360 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2023-03-31 01:15:40,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:40,361 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2023-03-31 01:15:40,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-03-31 01:15:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-03-31 01:15:40,362 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:40,362 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] [2023-03-31 01:15:40,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:40,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:40,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:40,363 INFO L85 PathProgramCache]: Analyzing trace with hash 580655090, now seen corresponding path program 1 times [2023-03-31 01:15:40,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:40,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137145592] [2023-03-31 01:15:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:40,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:15:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-03-31 01:15:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-03-31 01:15:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:40,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:40,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137145592] [2023-03-31 01:15:40,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137145592] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:40,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:15:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472379342] [2023-03-31 01:15:40,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:40,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:40,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:15:40,592 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-03-31 01:15:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:41,131 INFO L93 Difference]: Finished difference Result 341 states and 419 transitions. [2023-03-31 01:15:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:15:41,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 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 65 [2023-03-31 01:15:41,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:41,137 INFO L225 Difference]: With dead ends: 341 [2023-03-31 01:15:41,137 INFO L226 Difference]: Without dead ends: 244 [2023-03-31 01:15:41,139 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 [2023-03-31 01:15:41,147 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 320 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:41,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 78 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:41,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-03-31 01:15:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 201. [2023-03-31 01:15:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 120 states have (on average 1.2) internal successors, (144), 129 states have internal predecessors, (144), 40 states have call successors, (40), 39 states have call predecessors, (40), 40 states have return successors, (43), 39 states have call predecessors, (43), 36 states have call successors, (43) [2023-03-31 01:15:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 227 transitions. [2023-03-31 01:15:41,203 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 227 transitions. Word has length 65 [2023-03-31 01:15:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:41,203 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 227 transitions. [2023-03-31 01:15:41,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 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) [2023-03-31 01:15:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 227 transitions. [2023-03-31 01:15:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-03-31 01:15:41,208 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:41,209 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] [2023-03-31 01:15:41,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:15:41,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:41,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:41,210 INFO L85 PathProgramCache]: Analyzing trace with hash -188424145, now seen corresponding path program 1 times [2023-03-31 01:15:41,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:41,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758189395] [2023-03-31 01:15:41,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:41,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:15:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-03-31 01:15:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-03-31 01:15:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:41,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:41,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758189395] [2023-03-31 01:15:41,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758189395] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:41,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:41,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:15:41,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990380065] [2023-03-31 01:15:41,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:41,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:15:41,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:41,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:15:41,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:41,468 INFO L87 Difference]: Start difference. First operand 201 states and 227 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 01:15:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:42,721 INFO L93 Difference]: Finished difference Result 707 states and 910 transitions. [2023-03-31 01:15:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:15:42,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 79 [2023-03-31 01:15:42,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:42,727 INFO L225 Difference]: With dead ends: 707 [2023-03-31 01:15:42,727 INFO L226 Difference]: Without dead ends: 530 [2023-03-31 01:15:42,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:42,728 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 360 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:42,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 126 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:15:42,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2023-03-31 01:15:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 468. [2023-03-31 01:15:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 286 states have (on average 1.1853146853146854) internal successors, (339), 310 states have internal predecessors, (339), 87 states have call successors, (87), 83 states have call predecessors, (87), 94 states have return successors, (121), 91 states have call predecessors, (121), 83 states have call successors, (121) [2023-03-31 01:15:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 547 transitions. [2023-03-31 01:15:42,789 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 547 transitions. Word has length 79 [2023-03-31 01:15:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:42,789 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 547 transitions. [2023-03-31 01:15:42,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 01:15:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 547 transitions. [2023-03-31 01:15:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-03-31 01:15:42,792 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:42,792 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:42,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:15:42,793 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:42,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:42,793 INFO L85 PathProgramCache]: Analyzing trace with hash 144121303, now seen corresponding path program 1 times [2023-03-31 01:15:42,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:42,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544061922] [2023-03-31 01:15:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:42,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:15:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:15:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:15:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:15:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:15:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:15:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:15:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 01:15:43,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:43,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544061922] [2023-03-31 01:15:43,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544061922] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:43,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132161620] [2023-03-31 01:15:43,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:43,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:43,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:43,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:43,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:15:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:43,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 13 conjunts are in the unsatisfiable core [2023-03-31 01:15:43,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:43,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:15:43,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132161620] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:43,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:15:43,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-03-31 01:15:43,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828166293] [2023-03-31 01:15:43,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:43,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:43,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:43,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:43,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:15:43,459 INFO L87 Difference]: Start difference. First operand 468 states and 547 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) [2023-03-31 01:15:44,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:44,222 INFO L93 Difference]: Finished difference Result 1212 states and 1567 transitions. [2023-03-31 01:15:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:15:44,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) Word has length 136 [2023-03-31 01:15:44,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:44,229 INFO L225 Difference]: With dead ends: 1212 [2023-03-31 01:15:44,230 INFO L226 Difference]: Without dead ends: 876 [2023-03-31 01:15:44,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-03-31 01:15:44,232 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 539 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:44,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 271 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:15:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-03-31 01:15:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 795. [2023-03-31 01:15:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 498 states have (on average 1.2068273092369477) internal successors, (601), 534 states have internal predecessors, (601), 151 states have call successors, (151), 147 states have call predecessors, (151), 145 states have return successors, (217), 142 states have call predecessors, (217), 147 states have call successors, (217) [2023-03-31 01:15:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 969 transitions. [2023-03-31 01:15:44,367 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 969 transitions. Word has length 136 [2023-03-31 01:15:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:44,368 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 969 transitions. [2023-03-31 01:15:44,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 7 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (22), 5 states have call predecessors, (22), 7 states have call successors, (22) [2023-03-31 01:15:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 969 transitions. [2023-03-31 01:15:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-03-31 01:15:44,370 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:44,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:44,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:44,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:15:44,577 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:44,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:44,578 INFO L85 PathProgramCache]: Analyzing trace with hash 804558819, now seen corresponding path program 1 times [2023-03-31 01:15:44,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:44,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476790537] [2023-03-31 01:15:44,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:44,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:15:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:15:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:15:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:15:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:15:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:15:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:15:44,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:44,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476790537] [2023-03-31 01:15:44,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476790537] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:44,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290436529] [2023-03-31 01:15:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:44,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:44,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:44,794 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) [2023-03-31 01:15:44,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:15:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:44,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:15:44,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-31 01:15:44,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:15:44,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290436529] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:44,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:15:44,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-03-31 01:15:44,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697339344] [2023-03-31 01:15:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:44,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:44,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:44,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:44,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:15:44,997 INFO L87 Difference]: Start difference. First operand 795 states and 969 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:45,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:45,174 INFO L93 Difference]: Finished difference Result 816 states and 992 transitions. [2023-03-31 01:15:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:15:45,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-03-31 01:15:45,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:45,178 INFO L225 Difference]: With dead ends: 816 [2023-03-31 01:15:45,179 INFO L226 Difference]: Without dead ends: 813 [2023-03-31 01:15:45,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:15:45,180 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 92 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:45,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 544 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:15:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-03-31 01:15:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 795. [2023-03-31 01:15:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 498 states have (on average 1.1987951807228916) internal successors, (597), 534 states have internal predecessors, (597), 151 states have call successors, (151), 147 states have call predecessors, (151), 145 states have return successors, (217), 142 states have call predecessors, (217), 147 states have call successors, (217) [2023-03-31 01:15:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 965 transitions. [2023-03-31 01:15:45,263 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 965 transitions. Word has length 128 [2023-03-31 01:15:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:45,263 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 965 transitions. [2023-03-31 01:15:45,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 965 transitions. [2023-03-31 01:15:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-03-31 01:15:45,268 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:45,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:45,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:45,475 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,SelfDestructingSolverStorable6 [2023-03-31 01:15:45,475 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:45,475 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1277705099, now seen corresponding path program 1 times [2023-03-31 01:15:45,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:45,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412401364] [2023-03-31 01:15:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:15:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:15:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:15:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:15:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:15:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:15:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:15:45,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412401364] [2023-03-31 01:15:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412401364] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825476564] [2023-03-31 01:15:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:45,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:45,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:15:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:45,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:15:45,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:15:45,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:15:45,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825476564] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:45,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:15:45,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-03-31 01:15:45,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346826253] [2023-03-31 01:15:45,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:45,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:45,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:45,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:45,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:15:45,819 INFO L87 Difference]: Start difference. First operand 795 states and 965 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:45,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:45,936 INFO L93 Difference]: Finished difference Result 1586 states and 1966 transitions. [2023-03-31 01:15:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:15:45,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2023-03-31 01:15:45,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:45,941 INFO L225 Difference]: With dead ends: 1586 [2023-03-31 01:15:45,941 INFO L226 Difference]: Without dead ends: 815 [2023-03-31 01:15:45,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:15:45,943 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 4 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:45,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 668 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:15:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2023-03-31 01:15:46,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2023-03-31 01:15:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 514 states have (on average 1.1926070038910506) internal successors, (613), 550 states have internal predecessors, (613), 151 states have call successors, (151), 147 states have call predecessors, (151), 149 states have return successors, (225), 146 states have call predecessors, (225), 147 states have call successors, (225) [2023-03-31 01:15:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 989 transitions. [2023-03-31 01:15:46,018 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 989 transitions. Word has length 132 [2023-03-31 01:15:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:46,018 INFO L495 AbstractCegarLoop]: Abstraction has 815 states and 989 transitions. [2023-03-31 01:15:46,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 989 transitions. [2023-03-31 01:15:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-03-31 01:15:46,020 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:46,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:46,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:46,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:46,228 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:46,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:46,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1450504247, now seen corresponding path program 1 times [2023-03-31 01:15:46,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:46,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019251080] [2023-03-31 01:15:46,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:46,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:15:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:15:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:15:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:15:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:15:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:15:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:15:46,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:46,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019251080] [2023-03-31 01:15:46,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019251080] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:46,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954205059] [2023-03-31 01:15:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:46,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:46,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:46,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:46,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:15:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:46,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-31 01:15:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:15:46,672 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:15:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954205059] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:46,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:15:46,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-03-31 01:15:46,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397997836] [2023-03-31 01:15:46,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:46,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:15:46,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:46,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:15:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:15:46,674 INFO L87 Difference]: Start difference. First operand 815 states and 989 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:46,777 INFO L93 Difference]: Finished difference Result 1473 states and 1822 transitions. [2023-03-31 01:15:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2023-03-31 01:15:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:46,781 INFO L225 Difference]: With dead ends: 1473 [2023-03-31 01:15:46,781 INFO L226 Difference]: Without dead ends: 682 [2023-03-31 01:15:46,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:15:46,783 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 3 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:46,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 539 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:15:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-03-31 01:15:46,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2023-03-31 01:15:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 429 states have (on average 1.1794871794871795) internal successors, (506), 459 states have internal predecessors, (506), 131 states have call successors, (131), 127 states have call predecessors, (131), 121 states have return successors, (176), 120 states have call predecessors, (176), 127 states have call successors, (176) [2023-03-31 01:15:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 813 transitions. [2023-03-31 01:15:46,857 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 813 transitions. Word has length 132 [2023-03-31 01:15:46,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:46,857 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 813 transitions. [2023-03-31 01:15:46,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2023-03-31 01:15:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 813 transitions. [2023-03-31 01:15:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-03-31 01:15:46,859 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:46,859 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:46,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 01:15:47,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:47,066 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:47,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:47,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1499655582, now seen corresponding path program 1 times [2023-03-31 01:15:47,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:47,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498100809] [2023-03-31 01:15:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:47,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:15:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:15:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:15:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:15:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 01:15:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:15:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:15:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:15:47,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:47,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498100809] [2023-03-31 01:15:47,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498100809] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:47,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809111565] [2023-03-31 01:15:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:47,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:47,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:47,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 01:15:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:47,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:15:47,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:47,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:15:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:15:47,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809111565] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:15:47,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:15:47,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2023-03-31 01:15:47,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278029303] [2023-03-31 01:15:47,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:15:47,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:15:47,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:47,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:15:47,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:15:47,961 INFO L87 Difference]: Start difference. First operand 682 states and 813 transitions. Second operand has 20 states, 20 states have (on average 6.25) internal successors, (125), 12 states have internal predecessors, (125), 5 states have call successors, (50), 11 states have call predecessors, (50), 9 states have return successors, (36), 7 states have call predecessors, (36), 5 states have call successors, (36) [2023-03-31 01:15:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:49,689 INFO L93 Difference]: Finished difference Result 1384 states and 1747 transitions. [2023-03-31 01:15:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:15:49,690 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.25) internal successors, (125), 12 states have internal predecessors, (125), 5 states have call successors, (50), 11 states have call predecessors, (50), 9 states have return successors, (36), 7 states have call predecessors, (36), 5 states have call successors, (36) Word has length 136 [2023-03-31 01:15:49,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:49,693 INFO L225 Difference]: With dead ends: 1384 [2023-03-31 01:15:49,693 INFO L226 Difference]: Without dead ends: 789 [2023-03-31 01:15:49,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 310 SyntacticMatches, 10 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=444, Invalid=1278, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 01:15:49,698 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1076 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:49,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 247 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 01:15:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-03-31 01:15:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 664. [2023-03-31 01:15:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 417 states have (on average 1.1750599520383693) internal successors, (490), 447 states have internal predecessors, (490), 128 states have call successors, (128), 124 states have call predecessors, (128), 118 states have return successors, (173), 117 states have call predecessors, (173), 124 states have call successors, (173) [2023-03-31 01:15:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 791 transitions. [2023-03-31 01:15:49,769 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 791 transitions. Word has length 136 [2023-03-31 01:15:49,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:49,770 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 791 transitions. [2023-03-31 01:15:49,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.25) internal successors, (125), 12 states have internal predecessors, (125), 5 states have call successors, (50), 11 states have call predecessors, (50), 9 states have return successors, (36), 7 states have call predecessors, (36), 5 states have call successors, (36) [2023-03-31 01:15:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 791 transitions. [2023-03-31 01:15:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 01:15:49,773 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:49,773 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-31 01:15:49,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:49,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-31 01:15:49,979 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:49,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1222561347, now seen corresponding path program 2 times [2023-03-31 01:15:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:49,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841349145] [2023-03-31 01:15:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 01:15:49,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 01:15:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 01:15:50,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 01:15:50,072 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 01:15:50,073 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:15:50,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-03-31 01:15:50,079 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:50,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:15:50,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:15:50 BoogieIcfgContainer [2023-03-31 01:15:50,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:15:50,155 INFO L158 Benchmark]: Toolchain (without parser) took 13493.49ms. Allocated memory was 188.7MB in the beginning and 390.1MB in the end (delta: 201.3MB). Free memory was 155.4MB in the beginning and 252.3MB in the end (delta: -96.9MB). Peak memory consumption was 105.8MB. Max. memory is 8.0GB. [2023-03-31 01:15:50,155 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:15:50,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.80ms. Allocated memory is still 188.7MB. Free memory was 155.4MB in the beginning and 137.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 01:15:50,156 INFO L158 Benchmark]: Boogie Preprocessor took 60.19ms. Allocated memory is still 188.7MB. Free memory was 137.0MB in the beginning and 133.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:15:50,156 INFO L158 Benchmark]: RCFGBuilder took 775.92ms. Allocated memory is still 188.7MB. Free memory was 133.4MB in the beginning and 95.0MB in the end (delta: 38.4MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-03-31 01:15:50,156 INFO L158 Benchmark]: TraceAbstraction took 12309.15ms. Allocated memory was 188.7MB in the beginning and 390.1MB in the end (delta: 201.3MB). Free memory was 94.6MB in the beginning and 252.3MB in the end (delta: -157.7MB). Peak memory consumption was 45.0MB. Max. memory is 8.0GB. [2023-03-31 01:15:50,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.80ms. Allocated memory is still 188.7MB. Free memory was 155.4MB in the beginning and 137.0MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.19ms. Allocated memory is still 188.7MB. Free memory was 137.0MB in the beginning and 133.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 775.92ms. Allocated memory is still 188.7MB. Free memory was 133.4MB in the beginning and 95.0MB in the end (delta: 38.4MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12309.15ms. Allocated memory was 188.7MB in the beginning and 390.1MB in the end (delta: 201.3MB). Free memory was 94.6MB in the beginning and 252.3MB in the end (delta: -157.7MB). Peak memory consumption was 45.0MB. 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 - CounterExampleResult [Line: 257]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L359] int pumpRunning = 0; [L360] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=55, \old(head)={49:54}, \old(methaneLevelCritical)=53, \old(pumpRunning)=57, \old(systemActive)=52, \old(waterLevel)=51, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L142] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L143] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L122] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L291] int splverifierCounter ; [L292] int tmp ; [L293] int tmp___0 ; [L294] int tmp___1 ; [L295] int tmp___2 ; [L298] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L300] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L302] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L308] tmp = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L312] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L177] COND TRUE waterLevel < 2 [L178] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L318] tmp___0 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L328] tmp___2 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___2)) [L336] tmp___1 = __VERIFIER_nondet_int() [L338] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L345] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L366] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L373] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L375] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L424] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L395] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L398] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L400] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L518] int retValue_acc ; [L519] int tmp ; [L520] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L524] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] COND FALSE !(waterLevel < 2) [L246] retValue_acc = 0 [L247] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L524] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L524] tmp = isHighWaterSensorDry() [L526] COND FALSE !(\read(tmp)) [L529] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L531] retValue_acc = tmp___0 [L532] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L400] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L400] tmp = isHighWaterLevel() [L402] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L404] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L449] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L404] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L439] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L375] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L381] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L264] int tmp ; [L265] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L269] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L269] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L269] tmp = getWaterLevel() [L271] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L381] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L345] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L300] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L302] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L308] tmp = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L318] tmp___0 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L328] tmp___2 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___2)) [L336] tmp___1 = __VERIFIER_nondet_int() [L338] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L345] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L366] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L368] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] COND TRUE waterLevel > 0 [L166] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L368] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L373] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L375] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L421] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L424] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L426] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L462] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L466] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L466] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L466] retValue_acc = isMethaneLevelCritical() [L468] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L426] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L426] tmp = isMethaneAlarm() [L428] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L434] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L395] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L398] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L413] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L434] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L375] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L381] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L264] int tmp ; [L265] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L269] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L269] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L269] tmp = getWaterLevel() [L271] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L381] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L345] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L300] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L302] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L308] tmp = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L318] tmp___0 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L328] tmp___2 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___2)) [L336] tmp___1 = __VERIFIER_nondet_int() [L338] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L345] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L366] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L368] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] COND TRUE waterLevel > 0 [L166] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L368] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L373] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L375] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L421] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L424] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L426] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L462] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L466] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L466] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L466] retValue_acc = isMethaneLevelCritical() [L468] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L426] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L426] tmp = isMethaneAlarm() [L428] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L434] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L395] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L398] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L413] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L434] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L375] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L381] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L264] int tmp ; [L265] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L269] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L269] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L269] tmp = getWaterLevel() [L271] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L273] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L473] int retValue_acc ; [L476] retValue_acc = pumpRunning [L477] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L273] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L273] tmp___0 = isPumpRunning() [L275] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L277] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L257] reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2896 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2783 mSDsluCounter, 2562 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1996 mSDsCounter, 1508 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5238 IncrementalHoareTripleChecker+Invalid, 6746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1508 mSolverCounterUnsat, 566 mSDtfsCounter, 5238 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1252 GetRequests, 1099 SyntacticMatches, 10 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=8, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 414 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1805 NumberOfCodeBlocks, 1805 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1737 ConstructedInterpolants, 0 QuantifiedInterpolants, 2961 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2352 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 276/311 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-03-31 01:15:50,174 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...