/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_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:24:25,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:24:25,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:24:25,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:24:25,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:24:25,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:24:25,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:24:25,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:24:25,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:24:25,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:24:25,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:24:25,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:24:25,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:24:25,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:24:25,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:24:25,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:24:25,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:24:25,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:24:25,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:24:25,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:24:25,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:24:25,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:24:25,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:24:25,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:24:25,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:24:25,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:24:25,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:24:25,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:24:25,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:24:25,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:24:25,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:24:25,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:24:25,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:24:25,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:24:25,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:24:25,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:24:25,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:24:25,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:24:25,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:24:25,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:24:25,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:24:25,535 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 04:24:25,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:24:25,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:24:25,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:24:25,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:24:25,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:24:25,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:24:25,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:24:25,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:24:25,571 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:24:25,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:24:25,572 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:24:25,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:24:25,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:24:25,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:24:25,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:24:25,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:24:25,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:24:25,575 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:24:25,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:24:25,575 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:24:25,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:24:25,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:24:25,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:24:25,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:24:25,814 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:24:25,815 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:24:25,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2023-04-02 04:24:26,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:24:27,115 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:24:27,116 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2023-04-02 04:24:27,124 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/225d61761/b18f576264ec4b1597e3ba776a6dc4bb/FLAGebde644a6 [2023-04-02 04:24:27,137 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/225d61761/b18f576264ec4b1597e3ba776a6dc4bb [2023-04-02 04:24:27,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:24:27,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:24:27,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:24:27,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:24:27,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:24:27,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4e4b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27, skipping insertion in model container [2023-04-02 04:24:27,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:24:27,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:24:27,337 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_spec5_product02.cil.c[14969,14982] [2023-04-02 04:24:27,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:24:27,368 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:24:27,415 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_spec5_product02.cil.c[14969,14982] [2023-04-02 04:24:27,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:24:27,432 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:24:27,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27 WrapperNode [2023-04-02 04:24:27,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:24:27,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:24:27,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:24:27,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:24:27,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:24:27,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:24:27,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:24:27,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:24:27,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (1/1) ... [2023-04-02 04:24:27,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:24:27,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:27,510 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 04:24:27,511 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 04:24:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:24:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:24:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:24:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:24:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:24:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:24:27,542 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:24:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:24:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:24:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:24:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:24:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:24:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:24:27,648 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:24:27,650 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:24:28,250 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:24:28,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:24:28,256 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:24:28,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:24:28 BoogieIcfgContainer [2023-04-02 04:24:28,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:24:28,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:24:28,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:24:28,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:24:28,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:24:27" (1/3) ... [2023-04-02 04:24:28,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517df1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:24:28, skipping insertion in model container [2023-04-02 04:24:28,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:27" (2/3) ... [2023-04-02 04:24:28,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517df1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:24:28, skipping insertion in model container [2023-04-02 04:24:28,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:24:28" (3/3) ... [2023-04-02 04:24:28,264 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2023-04-02 04:24:28,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:24:28,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:24:28,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:24:28,331 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;@565cf2ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:24:28,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:24:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 82 states have internal predecessors, (96), 39 states have call successors, (39), 23 states have call predecessors, (39), 23 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-04-02 04:24:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:24:28,343 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:28,343 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:28,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:28,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:28,350 INFO L85 PathProgramCache]: Analyzing trace with hash -50240397, now seen corresponding path program 1 times [2023-04-02 04:24:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:28,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230123574] [2023-04-02 04:24:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:28,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:24:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:24:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:24:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:24:28,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:28,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230123574] [2023-04-02 04:24:28,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230123574] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:28,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:28,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:24:28,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969189673] [2023-04-02 04:24:28,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:28,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:24:28,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:24:28,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:24:28,638 INFO L87 Difference]: Start difference. First operand has 138 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 82 states have internal predecessors, (96), 39 states have call successors, (39), 23 states have call predecessors, (39), 23 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:24:28,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:28,998 INFO L93 Difference]: Finished difference Result 215 states and 284 transitions. [2023-04-02 04:24:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 04:24:29,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 59 [2023-04-02 04:24:29,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:29,013 INFO L225 Difference]: With dead ends: 215 [2023-04-02 04:24:29,013 INFO L226 Difference]: Without dead ends: 121 [2023-04-02 04:24:29,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:24:29,025 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 67 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:29,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 80 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:24:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-04-02 04:24:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 95. [2023-04-02 04:24:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 60 states have internal predecessors, (67), 24 states have call successors, (24), 21 states have call predecessors, (24), 16 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-02 04:24:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2023-04-02 04:24:29,073 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2023-04-02 04:24:29,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:29,073 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2023-04-02 04:24:29,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:24:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-04-02 04:24:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-02 04:24:29,076 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:29,077 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:29,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:24:29,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:29,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:29,078 INFO L85 PathProgramCache]: Analyzing trace with hash -680783463, now seen corresponding path program 1 times [2023-04-02 04:24:29,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:29,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047759018] [2023-04-02 04:24:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:29,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:24:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:24:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:24:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:24:29,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:29,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047759018] [2023-04-02 04:24:29,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047759018] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:29,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:29,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:24:29,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716208000] [2023-04-02 04:24:29,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:29,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:24:29,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:29,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:24:29,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:24:29,291 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:24:29,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:29,561 INFO L93 Difference]: Finished difference Result 156 states and 192 transitions. [2023-04-02 04:24:29,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:24:29,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 60 [2023-04-02 04:24:29,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:29,563 INFO L225 Difference]: With dead ends: 156 [2023-04-02 04:24:29,563 INFO L226 Difference]: Without dead ends: 111 [2023-04-02 04:24:29,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 04:24:29,565 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 135 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:29,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 60 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:24:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-04-02 04:24:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2023-04-02 04:24:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 48 states have (on average 1.25) internal successors, (60), 54 states have internal predecessors, (60), 21 states have call successors, (21), 20 states have call predecessors, (21), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 04:24:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2023-04-02 04:24:29,583 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2023-04-02 04:24:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:29,583 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2023-04-02 04:24:29,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:24:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2023-04-02 04:24:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-02 04:24:29,590 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:29,590 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:29,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:24:29,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:29,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:29,590 INFO L85 PathProgramCache]: Analyzing trace with hash -986195119, now seen corresponding path program 1 times [2023-04-02 04:24:29,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:29,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391242981] [2023-04-02 04:24:29,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:29,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:24:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:24:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:24:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:24:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:24:29,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:29,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391242981] [2023-04-02 04:24:29,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391242981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:29,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:29,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:24:29,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607859825] [2023-04-02 04:24:29,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:29,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:24:29,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:29,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:24:29,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:24:29,870 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-02 04:24:30,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:30,281 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2023-04-02 04:24:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:24:30,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 65 [2023-04-02 04:24:30,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:30,286 INFO L225 Difference]: With dead ends: 169 [2023-04-02 04:24:30,286 INFO L226 Difference]: Without dead ends: 111 [2023-04-02 04:24:30,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:24:30,292 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 200 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:30,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 65 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:24:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-04-02 04:24:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2023-04-02 04:24:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 53 states have internal predecessors, (59), 21 states have call successors, (21), 20 states have call predecessors, (21), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 04:24:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2023-04-02 04:24:30,306 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2023-04-02 04:24:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:30,306 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2023-04-02 04:24:30,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-02 04:24:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-04-02 04:24:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-02 04:24:30,307 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:30,307 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:30,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:24:30,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:30,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1882915666, now seen corresponding path program 1 times [2023-04-02 04:24:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:30,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421191916] [2023-04-02 04:24:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:24:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:24:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 04:24:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:24:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 04:24:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:24:30,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:30,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421191916] [2023-04-02 04:24:30,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421191916] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:30,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:30,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:24:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885990435] [2023-04-02 04:24:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:30,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:24:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:30,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:24:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:24:30,452 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:24:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:30,724 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2023-04-02 04:24:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:24:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2023-04-02 04:24:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:30,726 INFO L225 Difference]: With dead ends: 161 [2023-04-02 04:24:30,726 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:24:30,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:24:30,727 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 99 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:30,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 63 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:24:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:24:30,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:24:30,728 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 04:24:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:24:30,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2023-04-02 04:24:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:30,728 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:24:30,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:24:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:24:30,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:24:30,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:24:30,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:24:30,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:24:31,307 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:24:31,307 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:24:31,307 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:24:31,307 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-02 04:24:31,307 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:31,308 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 782 790) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 782 790) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 782 790) the Hoare annotation is: true [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L895 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L895 garLoopResultBuilder]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 882) no Hoare annotation was computed. [2023-04-02 04:24:31,309 INFO L899 garLoopResultBuilder]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 887) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,310 INFO L895 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,310 INFO L895 garLoopResultBuilder]: At program point L871-1(line 871) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L833(line 833) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L832(line 832) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 823 846) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 823 846) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 823 846) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L841(line 841) no Hoare annotation was computed. [2023-04-02 04:24:31,310 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L836(line 836) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L835(line 835) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L834(line 834) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 768 774) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 768 774) the Hoare annotation is: true [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 396) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 540 546) no Hoare annotation was computed. [2023-04-02 04:24:31,311 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 540 546) the Hoare annotation is: true [2023-04-02 04:24:31,311 INFO L899 garLoopResultBuilder]: For program point L640(lines 639 686) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 682) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 629 694) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L659(lines 659 665) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point L684(lines 639 686) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 629 694) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 645) no Hoare annotation was computed. [2023-04-02 04:24:31,312 INFO L895 garLoopResultBuilder]: At program point L687(lines 638 688) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,312 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 681) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L895 garLoopResultBuilder]: At program point L677-2(lines 669 682) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 629 694) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 485) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 469 491) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 547 554) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 547 554) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 547 554) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 492 500) the Hoare annotation is: true [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 460 468) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2023-04-02 04:24:31,313 INFO L902 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point L527(lines 527 533) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:31,314 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 513 539) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L520(lines 516 538) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 513 539) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L518(lines 516 538) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L799-1(line 799) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point L818(lines 793 822) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L814(line 814) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 793 822) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L902 garLoopResultBuilder]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-04-02 04:24:31,314 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 424 435) the Hoare annotation is: true [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 619 626) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 619 626) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 619 626) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 436 447) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 696 703) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 696 703) the Hoare annotation is: true [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 696 703) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 775 781) the Hoare annotation is: true [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 775 781) no Hoare annotation was computed. [2023-04-02 04:24:31,315 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 706 713) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 706 713) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1FINAL(lines 706 713) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L719(line 719) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 714 723) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 714 723) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2FINAL(lines 714 723) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L902 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: true [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L734-1(line 734) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 724 752) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L902 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: true [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 724 752) no Hoare annotation was computed. [2023-04-02 04:24:31,316 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 752) the Hoare annotation is: true [2023-04-02 04:24:31,316 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2023-04-02 04:24:31,316 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 574 582) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 574 582) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 574 582) the Hoare annotation is: true [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L602-2(lines 602 610) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 583 618) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 583 618) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point L613-1(line 613) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 583 618) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 864) the Hoare annotation is: (or (and (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2023-04-02 04:24:31,317 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 563 573) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 563 573) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L568(line 568) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L568-1(line 568) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 563 573) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 555 562) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 555 562) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 555 562) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 350) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L337-1(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 319) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:31,318 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 316) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 758 767) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 758 767) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 758 767) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,319 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)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |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 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,319 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2023-04-02 04:24:31,320 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2023-04-02 04:24:31,320 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2023-04-02 04:24:31,320 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2023-04-02 04:24:31,320 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2023-04-02 04:24:31,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,320 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-04-02 04:24:31,320 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:31,320 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:24:31,322 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-04-02 04:24:31,324 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:24:31,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:24:31 BoogieIcfgContainer [2023-04-02 04:24:31,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:24:31,334 INFO L158 Benchmark]: Toolchain (without parser) took 4193.22ms. Allocated memory was 265.3MB in the beginning and 340.8MB in the end (delta: 75.5MB). Free memory was 216.1MB in the beginning and 172.0MB in the end (delta: 44.2MB). Peak memory consumption was 123.6MB. Max. memory is 8.0GB. [2023-04-02 04:24:31,334 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 216.0MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:24:31,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.61ms. Allocated memory is still 265.3MB. Free memory was 216.1MB in the beginning and 198.0MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:24:31,334 INFO L158 Benchmark]: Boogie Preprocessor took 45.74ms. Allocated memory is still 265.3MB. Free memory was 198.0MB in the beginning and 194.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:24:31,334 INFO L158 Benchmark]: RCFGBuilder took 778.78ms. Allocated memory is still 265.3MB. Free memory was 194.9MB in the beginning and 212.1MB in the end (delta: -17.3MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. [2023-04-02 04:24:31,334 INFO L158 Benchmark]: TraceAbstraction took 3073.21ms. Allocated memory was 265.3MB in the beginning and 340.8MB in the end (delta: 75.5MB). Free memory was 211.6MB in the beginning and 172.0MB in the end (delta: 39.6MB). Peak memory consumption was 118.2MB. Max. memory is 8.0GB. [2023-04-02 04:24:31,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 216.0MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 291.61ms. Allocated memory is still 265.3MB. Free memory was 216.1MB in the beginning and 198.0MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.74ms. Allocated memory is still 265.3MB. Free memory was 198.0MB in the beginning and 194.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 778.78ms. Allocated memory is still 265.3MB. Free memory was 194.9MB in the beginning and 212.1MB in the end (delta: -17.3MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3073.21ms. Allocated memory was 265.3MB in the beginning and 340.8MB in the end (delta: 75.5MB). Free memory was 211.6MB in the beginning and 172.0MB in the end (delta: 39.6MB). Peak memory consumption was 118.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 700]: 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 38 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 533 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 501 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 277 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1098 IncrementalHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 277 mSolverCounterUnsat, 90 mSDtfsCounter, 1098 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 143 PreInvPairs, 163 NumberOfFragments, 435 HoareAnnotationTreeSize, 143 FomulaSimplifications, 1618 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 710 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(\old(systemActive) == 1)) || (splverifierCounter == 0 && 1 == systemActive) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:24:31,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...