/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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:37,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:37,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:37,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:37,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:37,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:37,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:37,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:37,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:37,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:37,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:37,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:37,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:37,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:37,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:37,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:37,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:37,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:37,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:37,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:37,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:37,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:37,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:37,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:37,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:37,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:37,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:37,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:37,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:37,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:37,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:37,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:37,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:37,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:37,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:37,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:37,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:37,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:37,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:37,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:37,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:37,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:22:37,104 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:37,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:37,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:37,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:37,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:37,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:37,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:37,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:37,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:37,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:37,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:37,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:37,108 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:37,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:37,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:37,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:37,317 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:37,318 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:37,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2023-04-02 04:22:38,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:38,746 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:38,747 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2023-04-02 04:22:38,755 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af686d2a5/9f27fc7b7c764f8695d3be3258177956/FLAG34c68fb31 [2023-04-02 04:22:38,766 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af686d2a5/9f27fc7b7c764f8695d3be3258177956 [2023-04-02 04:22:38,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:38,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:38,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:38,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:38,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:38,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:38" (1/1) ... [2023-04-02 04:22:38,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bfc122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:38, skipping insertion in model container [2023-04-02 04:22:38,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:38" (1/1) ... [2023-04-02 04:22:38,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:38,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:38,914 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_product11.cil.c[1605,1618] [2023-04-02 04:22:39,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:39,031 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:39,040 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_product11.cil.c[1605,1618] [2023-04-02 04:22:39,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:39,108 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:39,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39 WrapperNode [2023-04-02 04:22:39,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:39,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:39,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:39,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:39,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:39,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:39,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:39,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:39,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (1/1) ... [2023-04-02 04:22:39,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:39,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:22:39,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:22:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-02 04:22:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:39,398 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:39,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:39,819 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:39,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:39,834 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:39,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:39 BoogieIcfgContainer [2023-04-02 04:22:39,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:39,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:39,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:39,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:38" (1/3) ... [2023-04-02 04:22:39,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15177970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:39, skipping insertion in model container [2023-04-02 04:22:39,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:39" (2/3) ... [2023-04-02 04:22:39,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15177970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:39, skipping insertion in model container [2023-04-02 04:22:39,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:39" (3/3) ... [2023-04-02 04:22:39,841 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2023-04-02 04:22:39,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:39,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:39,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:39,896 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;@96bc38f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:39,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-02 04:22:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:39,908 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:39,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:39,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:39,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:39,914 INFO L85 PathProgramCache]: Analyzing trace with hash 123381871, now seen corresponding path program 1 times [2023-04-02 04:22:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536691748] [2023-04-02 04:22:39,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:40,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536691748] [2023-04-02 04:22:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536691748] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:40,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:40,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:40,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806736933] [2023-04-02 04:22:40,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:40,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:40,221 INFO L87 Difference]: Start difference. First operand has 133 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:40,596 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2023-04-02 04:22:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:40,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:22:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:40,609 INFO L225 Difference]: With dead ends: 219 [2023-04-02 04:22:40,610 INFO L226 Difference]: Without dead ends: 120 [2023-04-02 04:22:40,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:40,618 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:40,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 21 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-02 04:22:40,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2023-04-02 04:22:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.25) internal successors, (65), 59 states have internal predecessors, (65), 22 states have call successors, (22), 20 states have call predecessors, (22), 15 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 04:22:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2023-04-02 04:22:40,678 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2023-04-02 04:22:40,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:40,679 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2023-04-02 04:22:40,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2023-04-02 04:22:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:40,682 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:40,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:40,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:40,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:40,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:40,684 INFO L85 PathProgramCache]: Analyzing trace with hash -52843333, now seen corresponding path program 1 times [2023-04-02 04:22:40,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:40,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674040022] [2023-04-02 04:22:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:40,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:40,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674040022] [2023-04-02 04:22:40,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674040022] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:40,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:40,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:40,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475539083] [2023-04-02 04:22:40,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:40,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:40,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:40,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:40,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:40,821 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,038 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2023-04-02 04:22:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:41,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:22:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,040 INFO L225 Difference]: With dead ends: 143 [2023-04-02 04:22:41,040 INFO L226 Difference]: Without dead ends: 104 [2023-04-02 04:22:41,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:41,042 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 74 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 27 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-04-02 04:22:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2023-04-02 04:22:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 53 states have internal predecessors, (58), 19 states have call successors, (19), 19 states have call predecessors, (19), 15 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-04-02 04:22:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2023-04-02 04:22:41,057 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2023-04-02 04:22:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,058 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2023-04-02 04:22:41,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:22:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2023-04-02 04:22:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:22:41,059 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:41,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:41,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 897903433, now seen corresponding path program 1 times [2023-04-02 04:22:41,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120433865] [2023-04-02 04:22:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:22:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:41,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120433865] [2023-04-02 04:22:41,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120433865] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:41,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:41,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:41,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472473047] [2023-04-02 04:22:41,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:41,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:41,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:41,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:41,264 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:41,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:41,754 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2023-04-02 04:22:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:22:41,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-04-02 04:22:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:41,756 INFO L225 Difference]: With dead ends: 287 [2023-04-02 04:22:41,756 INFO L226 Difference]: Without dead ends: 230 [2023-04-02 04:22:41,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:22:41,758 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 249 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:41,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 78 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-04-02 04:22:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2023-04-02 04:22:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 34 states have call successors, (34), 34 states have call predecessors, (34), 30 states have return successors, (31), 30 states have call predecessors, (31), 30 states have call successors, (31) [2023-04-02 04:22:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2023-04-02 04:22:41,783 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2023-04-02 04:22:41,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:41,783 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2023-04-02 04:22:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2023-04-02 04:22:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-02 04:22:41,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:41,785 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] [2023-04-02 04:22:41,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:41,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:41,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:41,785 INFO L85 PathProgramCache]: Analyzing trace with hash 488282456, now seen corresponding path program 1 times [2023-04-02 04:22:41,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:41,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713848448] [2023-04-02 04:22:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:41,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:22:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:41,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:41,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713848448] [2023-04-02 04:22:41,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713848448] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:41,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:41,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:22:41,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160105815] [2023-04-02 04:22:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:41,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:22:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:22:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:22:41,945 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:42,676 INFO L93 Difference]: Finished difference Result 594 states and 779 transitions. [2023-04-02 04:22:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:22:42,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 54 [2023-04-02 04:22:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:42,679 INFO L225 Difference]: With dead ends: 594 [2023-04-02 04:22:42,679 INFO L226 Difference]: Without dead ends: 450 [2023-04-02 04:22:42,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:22:42,681 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 220 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:42,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 114 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:42,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2023-04-02 04:22:42,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 422. [2023-04-02 04:22:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 298 states have internal predecessors, (340), 80 states have call successors, (80), 75 states have call predecessors, (80), 77 states have return successors, (100), 76 states have call predecessors, (100), 76 states have call successors, (100) [2023-04-02 04:22:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2023-04-02 04:22:42,732 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 54 [2023-04-02 04:22:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:42,732 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2023-04-02 04:22:42,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:22:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2023-04-02 04:22:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-02 04:22:42,734 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:42,734 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] [2023-04-02 04:22:42,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:42,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:42,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:42,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1362152370, now seen corresponding path program 1 times [2023-04-02 04:22:42,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:42,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310983911] [2023-04-02 04:22:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:42,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 04:22:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:22:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:22:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:22:42,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:42,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310983911] [2023-04-02 04:22:42,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310983911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:42,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:42,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:22:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744545543] [2023-04-02 04:22:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:42,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:22:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:42,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:22:42,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:42,814 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:42,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:42,976 INFO L93 Difference]: Finished difference Result 736 states and 931 transitions. [2023-04-02 04:22:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:22:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 58 [2023-04-02 04:22:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:42,978 INFO L225 Difference]: With dead ends: 736 [2023-04-02 04:22:42,978 INFO L226 Difference]: Without dead ends: 373 [2023-04-02 04:22:42,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:22:42,980 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 153 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:42,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 23 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:42,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-02 04:22:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2023-04-02 04:22:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 234 states have (on average 1.2435897435897436) internal successors, (291), 256 states have internal predecessors, (291), 63 states have call successors, (63), 63 states have call predecessors, (63), 62 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2023-04-02 04:22:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 419 transitions. [2023-04-02 04:22:43,015 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 419 transitions. Word has length 58 [2023-04-02 04:22:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:43,015 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 419 transitions. [2023-04-02 04:22:43,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:22:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 419 transitions. [2023-04-02 04:22:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:22:43,017 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:43,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:43,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:43,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:43,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:43,018 INFO L85 PathProgramCache]: Analyzing trace with hash 624607766, now seen corresponding path program 1 times [2023-04-02 04:22:43,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:43,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846716534] [2023-04-02 04:22:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:43,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:22:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 04:22:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:22:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:22:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:22:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 04:22:43,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846716534] [2023-04-02 04:22:43,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846716534] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:43,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766847131] [2023-04-02 04:22:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:43,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:43,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:43,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:22:43,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:22:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:43,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:43,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:43,488 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-02 04:22:43,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766847131] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:43,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:43,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 16 [2023-04-02 04:22:43,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794185259] [2023-04-02 04:22:43,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:43,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:22:43,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:43,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:22:43,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:22:43,707 INFO L87 Difference]: Start difference. First operand 360 states and 419 transitions. Second operand has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:44,131 INFO L93 Difference]: Finished difference Result 480 states and 570 transitions. [2023-04-02 04:22:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:22:44,132 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) Word has length 88 [2023-04-02 04:22:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:44,132 INFO L225 Difference]: With dead ends: 480 [2023-04-02 04:22:44,132 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:44,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:22:44,134 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 314 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:44,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 108 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:22:44,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:44,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:22:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:44,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-04-02 04:22:44,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:44,135 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:44,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 12 states have internal predecessors, (94), 7 states have call successors, (48), 9 states have call predecessors, (48), 10 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:22:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:44,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:44,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:44,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 04:22:44,345 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 [2023-04-02 04:22:44,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 568 572) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 537 592) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point L562-2(lines 562 583) no Hoare annotation was computed. [2023-04-02 04:22:45,728 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 537 592) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L584(lines 561 585) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 537 592) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L638(line 638) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 593 652) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 629) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L625-1(lines 625 629) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 593 652) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 593 652) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L619-2(lines 619 644) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point L645(lines 618 646) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 876 884) no Hoare annotation was computed. [2023-04-02 04:22:45,729 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 876 884) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 876 884) the Hoare annotation is: true [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 280 304) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L902 garLoopResultBuilder]: At program point L286(line 286) the Hoare annotation is: true [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point L286-1(line 286) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 280 304) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 304) the Hoare annotation is: true [2023-04-02 04:22:45,730 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:45,730 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2023-04-02 04:22:45,730 INFO L895 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:45,730 INFO L895 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 461 483) no Hoare annotation was computed. [2023-04-02 04:22:45,731 INFO L895 garLoopResultBuilder]: At program point L473-1(line 473) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 478) no Hoare annotation was computed. [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 471 478) no Hoare annotation was computed. [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point L469(line 469) no Hoare annotation was computed. [2023-04-02 04:22:45,731 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,731 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,731 INFO L895 garLoopResultBuilder]: At program point L467-1(line 467) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 461 483) no Hoare annotation was computed. [2023-04-02 04:22:45,731 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 483) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,731 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 417 440) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 417 440) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L427(line 427) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 417 440) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-02 04:22:45,732 INFO L899 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 193 207) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 207) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~systemActive~0)| ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-02 04:22:45,733 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 193 207) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 862 868) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 862 868) the Hoare annotation is: true [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 804 849) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 831) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 838) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point L818-1(lines 818 838) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 804 849) no Hoare annotation was computed. [2023-04-02 04:22:45,733 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 804 849) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 96 102) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 96 102) the Hoare annotation is: true [2023-04-02 04:22:45,734 INFO L895 garLoopResultBuilder]: At program point L258-1(lines 252 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 265) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 212 277) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2023-04-02 04:22:45,734 INFO L899 garLoopResultBuilder]: For program point L242-1(lines 242 248) no Hoare annotation was computed. [2023-04-02 04:22:45,735 INFO L895 garLoopResultBuilder]: At program point L267(lines 222 269) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,735 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,735 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 212 277) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,735 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2023-04-02 04:22:45,735 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2023-04-02 04:22:45,735 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2023-04-02 04:22:45,735 INFO L895 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:45,735 INFO L895 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,741 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 212 277) no Hoare annotation was computed. [2023-04-02 04:22:45,741 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2023-04-02 04:22:45,741 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 353 375) no Hoare annotation was computed. [2023-04-02 04:22:45,741 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2023-04-02 04:22:45,741 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 353 375) no Hoare annotation was computed. [2023-04-02 04:22:45,742 INFO L899 garLoopResultBuilder]: For program point L361-2(lines 361 369) no Hoare annotation was computed. [2023-04-02 04:22:45,742 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 353 375) no Hoare annotation was computed. [2023-04-02 04:22:45,742 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 112 128) no Hoare annotation was computed. [2023-04-02 04:22:45,742 INFO L899 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2023-04-02 04:22:45,743 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 112 128) no Hoare annotation was computed. [2023-04-02 04:22:45,743 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 112 128) no Hoare annotation was computed. [2023-04-02 04:22:45,743 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point L117-1(line 117) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 376 384) the Hoare annotation is: true [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 376 384) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 376 384) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 352) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 344 352) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 344 352) no Hoare annotation was computed. [2023-04-02 04:22:45,744 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or (and (= ~waterLevel~0 1) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:45,745 INFO L895 garLoopResultBuilder]: At program point L83(lines 83 89) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,745 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:22:45,745 INFO L899 garLoopResultBuilder]: For program point L76(lines 75 94) no Hoare annotation was computed. [2023-04-02 04:22:45,745 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 72 95) no Hoare annotation was computed. [2023-04-02 04:22:45,745 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 95) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,745 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 72 95) no Hoare annotation was computed. [2023-04-02 04:22:45,745 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 387 416) no Hoare annotation was computed. [2023-04-02 04:22:45,745 INFO L902 garLoopResultBuilder]: At program point L412(lines 387 416) the Hoare annotation is: true [2023-04-02 04:22:45,745 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L902 garLoopResultBuilder]: At program point L401-1(lines 401 405) the Hoare annotation is: true [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L902 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: true [2023-04-02 04:22:45,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 387 416) the Hoare annotation is: true [2023-04-02 04:22:45,746 INFO L902 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: true [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 308 319) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 308 319) the Hoare annotation is: true [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 308 319) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 320 331) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 320 331) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 320 331) no Hoare annotation was computed. [2023-04-02 04:22:45,746 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 869 875) the Hoare annotation is: true [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 869 875) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 103 110) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 103 110) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 110) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 148 156) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 148 156) no Hoare annotation was computed. [2023-04-02 04:22:45,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 148 156) the Hoare annotation is: true [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 157 192) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 157 192) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 172) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 157 192) no Hoare annotation was computed. [2023-04-02 04:22:45,748 INFO L899 garLoopResultBuilder]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2023-04-02 04:22:45,749 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 491 536) no Hoare annotation was computed. [2023-04-02 04:22:45,749 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 491 536) no Hoare annotation was computed. [2023-04-02 04:22:45,749 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 491 536) no Hoare annotation was computed. [2023-04-02 04:22:45,749 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 448 457) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 448 457) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 448 457) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point L142-1(line 142) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 137 147) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 137 147) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 137 147) no Hoare annotation was computed. [2023-04-02 04:22:45,750 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 129 136) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 129 136) the Hoare annotation is: true [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 129 136) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 758 803) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 758 803) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 785) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 758 803) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 792) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L772-1(lines 772 792) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 724) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L725(lines 703 726) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 700) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 655 757) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 751) no Hoare annotation was computed. [2023-04-02 04:22:45,751 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 655 757) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L705(lines 704 724) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 742) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 655 757) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L720(line 720) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L720-1(line 720) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 683) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 754) no Hoare annotation was computed. [2023-04-02 04:22:45,752 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 710) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 852 861) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 852 861) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 852 861) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 332 343) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 332 343) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 332 343) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 441 447) no Hoare annotation was computed. [2023-04-02 04:22:45,753 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 441 447) the Hoare annotation is: true [2023-04-02 04:22:45,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,754 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:22:45,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:45,754 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:45,757 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:45,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:45,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:45 BoogieIcfgContainer [2023-04-02 04:22:45,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:45,777 INFO L158 Benchmark]: Toolchain (without parser) took 7007.89ms. Allocated memory was 355.5MB in the beginning and 488.6MB in the end (delta: 133.2MB). Free memory was 306.7MB in the beginning and 300.2MB in the end (delta: 6.5MB). Peak memory consumption was 266.0MB. Max. memory is 8.0GB. [2023-04-02 04:22:45,777 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 91.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:45,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.75ms. Allocated memory is still 355.5MB. Free memory was 306.7MB in the beginning and 288.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:45,777 INFO L158 Benchmark]: Boogie Preprocessor took 85.11ms. Allocated memory is still 355.5MB. Free memory was 288.9MB in the beginning and 285.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:22:45,778 INFO L158 Benchmark]: RCFGBuilder took 639.83ms. Allocated memory is still 355.5MB. Free memory was 285.2MB in the beginning and 246.9MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:45,778 INFO L158 Benchmark]: TraceAbstraction took 5939.05ms. Allocated memory was 355.5MB in the beginning and 488.6MB in the end (delta: 133.2MB). Free memory was 246.4MB in the beginning and 300.2MB in the end (delta: -53.8MB). Peak memory consumption was 206.2MB. Max. memory is 8.0GB. [2023-04-02 04:22:45,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 91.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.75ms. Allocated memory is still 355.5MB. Free memory was 306.7MB in the beginning and 288.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.11ms. Allocated memory is still 355.5MB. Free memory was 288.9MB in the beginning and 285.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 639.83ms. Allocated memory is still 355.5MB. Free memory was 285.2MB in the beginning and 246.9MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5939.05ms. Allocated memory was 355.5MB in the beginning and 488.6MB in the end (delta: 133.2MB). Free memory was 246.4MB in the beginning and 300.2MB in the end (delta: -53.8MB). Peak memory consumption was 206.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1110 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1074 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 548 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2358 IncrementalHoareTripleChecker+Invalid, 2906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 548 mSolverCounterUnsat, 86 mSDtfsCounter, 2358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 280 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=4, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 420 PreInvPairs, 469 NumberOfFragments, 652 HoareAnnotationTreeSize, 420 FomulaSimplifications, 7314 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2928 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 1212 SizeOfPredicates, 3 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 72/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:45,818 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...