/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:10,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:10,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:10,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:10,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:10,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:10,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:10,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:10,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:10,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:10,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:10,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:10,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:10,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:10,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:10,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:10,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:10,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:10,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:10,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:10,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:10,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:10,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:10,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:10,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:10,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:10,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:10,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:10,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:10,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:10,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:10,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:10,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:10,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:10,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:10,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:10,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:10,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:10,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:10,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:10,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:10,230 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 04:22:10,259 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:10,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:10,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:10,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:10,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:10,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:10,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:10,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:10,262 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:10,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:10,262 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:10,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:10,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:10,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:10,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:10,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:10,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:10,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:10,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:10,265 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:10,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:10,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:10,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:10,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:10,488 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:10,489 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:10,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-04-02 04:22:11,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:11,751 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:11,751 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2023-04-02 04:22:11,758 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9858635ed/0a9adbbb43b94e8ba74f9b70d1f02743/FLAGf242b1466 [2023-04-02 04:22:11,768 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9858635ed/0a9adbbb43b94e8ba74f9b70d1f02743 [2023-04-02 04:22:11,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:11,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:11,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:11,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:11,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:11,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:11" (1/1) ... [2023-04-02 04:22:11,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154bbffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:11, skipping insertion in model container [2023-04-02 04:22:11,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:11" (1/1) ... [2023-04-02 04:22:11,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:11,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:12,027 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_product04.cil.c[16697,16710] [2023-04-02 04:22:12,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:12,048 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:12,108 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_product04.cil.c[16697,16710] [2023-04-02 04:22:12,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:12,124 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:12,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12 WrapperNode [2023-04-02 04:22:12,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:12,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:12,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:12,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:12,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:12,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:12,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:12,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:12,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (1/1) ... [2023-04-02 04:22:12,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:12,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:12,257 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 04:22:12,288 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 04:22:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:12,485 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:12,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:12,992 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:12,998 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:12,998 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:13,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:13 BoogieIcfgContainer [2023-04-02 04:22:13,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:13,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:13,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:13,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:13,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:11" (1/3) ... [2023-04-02 04:22:13,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf16fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:13, skipping insertion in model container [2023-04-02 04:22:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:12" (2/3) ... [2023-04-02 04:22:13,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf16fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:13, skipping insertion in model container [2023-04-02 04:22:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:13" (3/3) ... [2023-04-02 04:22:13,008 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2023-04-02 04:22:13,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:13,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:13,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:13,074 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;@499569eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:13,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 84 states have internal predecessors, (96), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2023-04-02 04:22:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:13,088 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:13,088 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 04:22:13,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:13,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:13,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1939577182, now seen corresponding path program 1 times [2023-04-02 04:22:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925245525] [2023-04-02 04:22:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,354 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 04:22:13,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925245525] [2023-04-02 04:22:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925245525] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:13,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:13,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106464168] [2023-04-02 04:22:13,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:13,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:13,407 INFO L87 Difference]: Start difference. First operand has 137 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 84 states have internal predecessors, (96), 38 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) 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 04:22:13,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:13,737 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2023-04-02 04:22:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:22:13,739 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 04:22:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:13,751 INFO L225 Difference]: With dead ends: 228 [2023-04-02 04:22:13,751 INFO L226 Difference]: Without dead ends: 125 [2023-04-02 04:22:13,755 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 04:22:13,757 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:13,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 23 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-02 04:22:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2023-04-02 04:22:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 62 states have internal predecessors, (67), 23 states have call successors, (23), 21 states have call predecessors, (23), 16 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-04-02 04:22:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2023-04-02 04:22:13,817 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2023-04-02 04:22:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:13,818 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2023-04-02 04:22:13,818 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 04:22:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-04-02 04:22:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:22:13,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:13,821 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 04:22:13,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:22:13,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:13,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:13,825 INFO L85 PathProgramCache]: Analyzing trace with hash 571620467, now seen corresponding path program 1 times [2023-04-02 04:22:13,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:13,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721795548] [2023-04-02 04:22:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:13,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:22:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:22:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:13,930 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 04:22:13,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:13,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721795548] [2023-04-02 04:22:13,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721795548] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:13,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:13,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:22:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112541167] [2023-04-02 04:22:13,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:13,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:22:13,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:22:13,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:22:13,933 INFO L87 Difference]: Start difference. First operand 94 states and 108 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 04:22:14,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:14,165 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2023-04-02 04:22:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:22:14,165 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 04:22:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:14,167 INFO L225 Difference]: With dead ends: 148 [2023-04-02 04:22:14,167 INFO L226 Difference]: Without dead ends: 109 [2023-04-02 04:22:14,167 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 04:22:14,168 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 74 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:14,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 30 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:22:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-04-02 04:22:14,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2023-04-02 04:22:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.25) internal successors, (60), 56 states have internal predecessors, (60), 20 states have call successors, (20), 20 states have call predecessors, (20), 16 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-02 04:22:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2023-04-02 04:22:14,186 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2023-04-02 04:22:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:14,186 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2023-04-02 04:22:14,186 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 04:22:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-04-02 04:22:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:22:14,188 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:14,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:14,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:22:14,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:14,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 358255255, now seen corresponding path program 1 times [2023-04-02 04:22:14,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:14,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690935494] [2023-04-02 04:22:14,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:14,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:22:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:14,369 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 04:22:14,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:14,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690935494] [2023-04-02 04:22:14,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690935494] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:14,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:14,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:22:14,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550699441] [2023-04-02 04:22:14,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:14,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:22:14,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:14,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:22:14,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:22:14,372 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:14,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:14,950 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2023-04-02 04:22:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:22:14,951 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-04-02 04:22:14,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:14,953 INFO L225 Difference]: With dead ends: 302 [2023-04-02 04:22:14,953 INFO L226 Difference]: Without dead ends: 241 [2023-04-02 04:22:14,953 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 04:22:14,954 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 254 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:14,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 79 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:14,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-04-02 04:22:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2023-04-02 04:22:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 118 states have internal predecessors, (137), 35 states have call successors, (35), 35 states have call predecessors, (35), 31 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2023-04-02 04:22:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2023-04-02 04:22:14,996 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2023-04-02 04:22:14,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:14,997 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2023-04-02 04:22:14,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:22:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2023-04-02 04:22:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-02 04:22:15,003 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:15,003 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] [2023-04-02 04:22:15,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:22:15,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:15,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:15,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1105700302, now seen corresponding path program 1 times [2023-04-02 04:22:15,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:15,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225071044] [2023-04-02 04:22:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:15,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:22:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:22:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:22:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:15,282 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 04:22:15,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:15,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225071044] [2023-04-02 04:22:15,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225071044] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:15,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:15,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:22:15,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076178768] [2023-04-02 04:22:15,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:15,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:22:15,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:15,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:22:15,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:22:15,284 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 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 04:22:16,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:16,007 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2023-04-02 04:22:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:22:16,008 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 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 55 [2023-04-02 04:22:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:16,014 INFO L225 Difference]: With dead ends: 611 [2023-04-02 04:22:16,014 INFO L226 Difference]: Without dead ends: 463 [2023-04-02 04:22:16,017 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 04:22:16,024 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 197 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:16,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 125 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-04-02 04:22:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2023-04-02 04:22:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 270 states have (on average 1.2814814814814814) internal successors, (346), 307 states have internal predecessors, (346), 83 states have call successors, (83), 78 states have call predecessors, (83), 80 states have return successors, (103), 79 states have call predecessors, (103), 79 states have call successors, (103) [2023-04-02 04:22:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2023-04-02 04:22:16,123 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2023-04-02 04:22:16,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:16,124 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2023-04-02 04:22:16,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 8 states have internal predecessors, (33), 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 04:22:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2023-04-02 04:22:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:22:16,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:16,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:16,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:22:16,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:16,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:16,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1196936344, now seen corresponding path program 1 times [2023-04-02 04:22:16,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:16,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986268463] [2023-04-02 04:22:16,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:16,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:22:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:22:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:22:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:22:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,212 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 04:22:16,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:16,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986268463] [2023-04-02 04:22:16,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986268463] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:16,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:16,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:22:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692116922] [2023-04-02 04:22:16,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:16,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:22:16,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:16,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:22:16,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:22:16,214 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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 04:22:16,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:16,393 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2023-04-02 04:22:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:22:16,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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 59 [2023-04-02 04:22:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:16,395 INFO L225 Difference]: With dead ends: 796 [2023-04-02 04:22:16,395 INFO L226 Difference]: Without dead ends: 386 [2023-04-02 04:22:16,397 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 04:22:16,397 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 156 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:16,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 23 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:22:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-04-02 04:22:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2023-04-02 04:22:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 240 states have (on average 1.2375) internal successors, (297), 265 states have internal predecessors, (297), 66 states have call successors, (66), 66 states have call predecessors, (66), 65 states have return successors, (68), 62 states have call predecessors, (68), 62 states have call successors, (68) [2023-04-02 04:22:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2023-04-02 04:22:16,426 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2023-04-02 04:22:16,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:16,426 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2023-04-02 04:22:16,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 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 04:22:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2023-04-02 04:22:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:22:16,427 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:16,428 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:16,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:22:16,428 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:16,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:16,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1813073556, now seen corresponding path program 1 times [2023-04-02 04:22:16,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:16,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149021265] [2023-04-02 04:22:16,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:16,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:22:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:22:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:22:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:22:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:22:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:22:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:22:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:22:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 04:22:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149021265] [2023-04-02 04:22:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149021265] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:22:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716757686] [2023-04-02 04:22:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:16,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:22:16,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:16,592 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 04:22:16,614 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 04:22:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:16,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:22:16,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:22:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:22:16,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:22:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:22:17,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716757686] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:22:17,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:22:17,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2023-04-02 04:22:17,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301746486] [2023-04-02 04:22:17,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:22:17,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:22:17,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:17,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:22:17,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:22:17,185 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:22:17,810 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2023-04-02 04:22:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:22:17,811 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 89 [2023-04-02 04:22:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:22:17,811 INFO L225 Difference]: With dead ends: 525 [2023-04-02 04:22:17,811 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:22:17,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:22:17,813 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 293 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:22:17,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 136 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:22:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:22:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:22:17,814 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 04:22:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:22:17,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-04-02 04:22:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:22:17,814 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:22:17,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 12 states have internal predecessors, (105), 7 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:22:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:22:17,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:22:17,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:22:17,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:22:18,024 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 04:22:18,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:22:19,631 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:19,631 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point L577(lines 554 578) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 530 585) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point L561-1(lines 561 565) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 530 585) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point L555-2(lines 555 576) no Hoare annotation was computed. [2023-04-02 04:22:19,632 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 530 585) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L638(lines 611 639) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L631-1(line 631) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 586 645) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L618(lines 618 622) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 586 645) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 586 645) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point L612-2(lines 612 637) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 179 187) no Hoare annotation was computed. [2023-04-02 04:22:19,633 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 179 187) no Hoare annotation was computed. [2023-04-02 04:22:19,634 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-04-02 04:22:19,634 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2023-04-02 04:22:19,634 INFO L895 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:19,634 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2023-04-02 04:22:19,634 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 874) no Hoare annotation was computed. [2023-04-02 04:22:19,634 INFO L899 garLoopResultBuilder]: For program point L861-1(lines 853 877) no Hoare annotation was computed. [2023-04-02 04:22:19,634 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2023-04-02 04:22:19,635 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2023-04-02 04:22:19,635 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 853 877) no Hoare annotation was computed. [2023-04-02 04:22:19,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 877) the Hoare annotation is: true [2023-04-02 04:22:19,635 INFO L895 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:19,635 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:22:19,635 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:19,635 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:19,635 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:22:19,636 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:22:19,636 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:22:19,636 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-02 04:22:19,636 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) 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 04:22:19,636 INFO L895 garLoopResultBuilder]: At program point L137(line 137) 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 04:22:19,636 INFO L895 garLoopResultBuilder]: At program point L136(line 136) 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 04:22:19,636 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) 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 04:22:19,636 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-02 04:22:19,637 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 385 399) 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 04:22:19,638 INFO L895 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1)) [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 395) no Hoare annotation was computed. [2023-04-02 04:22:19,638 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 165 171) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 165 171) the Hoare annotation is: true [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 797 842) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 824) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 831) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point L811-1(lines 811 831) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 797 842) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 797 842) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 306 312) no Hoare annotation was computed. [2023-04-02 04:22:19,639 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 306 312) the Hoare annotation is: true [2023-04-02 04:22:19,639 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 409 476) no Hoare annotation was computed. [2023-04-02 04:22:19,640 INFO L895 garLoopResultBuilder]: At program point L469(lines 418 470) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:19,640 INFO L895 garLoopResultBuilder]: At program point L459(line 459) 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 04:22:19,640 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 409 476) 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 04:22:19,640 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2023-04-02 04:22:19,640 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 449 464) 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 04:22:19,640 INFO L899 garLoopResultBuilder]: For program point L420(lines 419 468) no Hoare annotation was computed. [2023-04-02 04:22:19,640 INFO L895 garLoopResultBuilder]: At program point L451(line 451) 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 04:22:19,640 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 464) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L895 garLoopResultBuilder]: At program point L441(line 441) 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 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 439 445) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L895 garLoopResultBuilder]: At program point L466(lines 419 468) 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 04:22:19,641 INFO L895 garLoopResultBuilder]: At program point L431(line 431) 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 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 425) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 409 476) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 240 262) no Hoare annotation was computed. [2023-04-02 04:22:19,641 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 240 262) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 240 262) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 313 320) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 313 320) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 313 320) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 271) the Hoare annotation is: true [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 263 271) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 263 271) no Hoare annotation was computed. [2023-04-02 04:22:19,642 INFO L895 garLoopResultBuilder]: At program point L288(line 288) 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 04:22:19,642 INFO L899 garLoopResultBuilder]: For program point L286(lines 285 304) no Hoare annotation was computed. [2023-04-02 04:22:19,643 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 282 305) no Hoare annotation was computed. [2023-04-02 04:22:19,643 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 305) 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 04:22:19,643 INFO L895 garLoopResultBuilder]: At program point L295(line 295) 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 04:22:19,643 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 282 305) no Hoare annotation was computed. [2023-04-02 04:22:19,643 INFO L895 garLoopResultBuilder]: At program point L293(lines 293 299) 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 04:22:19,643 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-02 04:22:19,643 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-02 04:22:19,643 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-04-02 04:22:19,643 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-02 04:22:19,643 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-02 04:22:19,644 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-02 04:22:19,644 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-02 04:22:19,644 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-02 04:22:19,644 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-02 04:22:19,645 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-02 04:22:19,645 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 231 239) no Hoare annotation was computed. [2023-04-02 04:22:19,645 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 231 239) no Hoare annotation was computed. [2023-04-02 04:22:19,645 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 231 239) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 195 206) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 195 206) the Hoare annotation is: true [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 195 206) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 407) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1))) [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 207 218) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 207 218) 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 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 207 218) no Hoare annotation was computed. [2023-04-02 04:22:19,646 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 844 851) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 844 851) the Hoare annotation is: true [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 844 851) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 172 178) the Hoare annotation is: true [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 172 178) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 340 348) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 340 348) the Hoare annotation is: true [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2023-04-02 04:22:19,647 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed. [2023-04-02 04:22:19,648 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 376) no Hoare annotation was computed. [2023-04-02 04:22:19,648 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 349 384) no Hoare annotation was computed. [2023-04-02 04:22:19,648 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 368 376) no Hoare annotation was computed. [2023-04-02 04:22:19,649 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 349 384) no Hoare annotation was computed. [2023-04-02 04:22:19,649 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2023-04-02 04:22:19,649 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 349 384) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) 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 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point L334(line 334) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-04-02 04:22:19,650 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 329 339) no Hoare annotation was computed. [2023-04-02 04:22:19,651 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 329 339) no Hoare annotation was computed. [2023-04-02 04:22:19,651 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 329 339) no Hoare annotation was computed. [2023-04-02 04:22:19,651 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 321 328) no Hoare annotation was computed. [2023-04-02 04:22:19,651 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 321 328) the Hoare annotation is: true [2023-04-02 04:22:19,651 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 321 328) no Hoare annotation was computed. [2023-04-02 04:22:19,652 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 785) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 765 785) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 751 796) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 751 796) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 751 796) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 778) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 744) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L698(lines 697 717) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L729(line 729) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L729-1(line 729) no Hoare annotation was computed. [2023-04-02 04:22:19,653 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 735) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 648 750) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L713(line 713) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 648 750) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 676) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 747) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 703) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 717) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 648 750) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L718(lines 696 719) no Hoare annotation was computed. [2023-04-02 04:22:19,654 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 693) no Hoare annotation was computed. [2023-04-02 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,655 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 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 219 230) no Hoare annotation was computed. [2023-04-02 04:22:19,655 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 219 230) 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 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 219 230) no Hoare annotation was computed. [2023-04-02 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,655 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,656 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,656 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-02 04:22:19,656 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-02 04:22:19,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,656 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 04:22:19,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:19,656 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:19,658 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:22:19,660 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:19,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:19 BoogieIcfgContainer [2023-04-02 04:22:19,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:19,673 INFO L158 Benchmark]: Toolchain (without parser) took 7903.23ms. Allocated memory was 364.9MB in the beginning and 481.3MB in the end (delta: 116.4MB). Free memory was 313.3MB in the beginning and 244.3MB in the end (delta: 69.0MB). Peak memory consumption was 267.6MB. Max. memory is 8.0GB. [2023-04-02 04:22:19,674 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:19,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.75ms. Allocated memory is still 364.9MB. Free memory was 313.3MB in the beginning and 295.3MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:22:19,674 INFO L158 Benchmark]: Boogie Preprocessor took 76.50ms. Allocated memory is still 364.9MB. Free memory was 295.3MB in the beginning and 291.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-02 04:22:19,675 INFO L158 Benchmark]: RCFGBuilder took 797.04ms. Allocated memory is still 364.9MB. Free memory was 291.7MB in the beginning and 327.2MB in the end (delta: -35.4MB). Peak memory consumption was 41.0MB. Max. memory is 8.0GB. [2023-04-02 04:22:19,675 INFO L158 Benchmark]: TraceAbstraction took 6669.96ms. Allocated memory was 364.9MB in the beginning and 481.3MB in the end (delta: 116.4MB). Free memory was 326.1MB in the beginning and 244.3MB in the end (delta: 81.9MB). Peak memory consumption was 279.0MB. Max. memory is 8.0GB. [2023-04-02 04:22:19,677 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 182.5MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.75ms. Allocated memory is still 364.9MB. Free memory was 313.3MB in the beginning and 295.3MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.50ms. Allocated memory is still 364.9MB. Free memory was 295.3MB in the beginning and 291.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 797.04ms. Allocated memory is still 364.9MB. Free memory was 291.7MB in the beginning and 327.2MB in the end (delta: -35.4MB). Peak memory consumption was 41.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6669.96ms. Allocated memory was 364.9MB in the beginning and 481.3MB in the end (delta: 116.4MB). Free memory was 326.1MB in the beginning and 244.3MB in the end (delta: 81.9MB). Peak memory consumption was 279.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 848]: 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, 207 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1076 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1038 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 571 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2548 IncrementalHoareTripleChecker+Invalid, 3119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 571 mSolverCounterUnsat, 90 mSDtfsCounter, 2548 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 282 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=4, InterpolantAutomatonStates: 54, 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, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 709 HoareAnnotationTreeSize, 462 FomulaSimplifications, 13702 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 3882 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1264 SizeOfPredicates, 3 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: 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: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:19,696 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...