/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:52:37,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:52:37,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:52:37,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:52:37,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:52:37,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:52:37,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:52:37,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:52:37,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:52:37,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:52:37,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:52:37,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:52:37,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:52:37,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:52:37,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:52:37,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:52:37,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:52:37,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:52:37,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:52:37,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:52:37,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:52:37,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:52:37,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:52:37,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:52:37,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:52:37,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:52:37,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:52:37,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:52:37,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:52:37,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:52:37,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:52:37,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:52:37,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:52:37,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:52:37,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:52:37,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:52:37,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:52:37,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:52:37,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:52:37,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:52:37,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:52:37,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:52:37,641 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:52:37,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:52:37,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:52:37,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:52:37,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:52:37,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:52:37,643 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:52:37,643 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:52:37,643 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:52:37,643 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:52:37,644 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:52:37,644 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:52:37,644 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:52:37,644 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:52:37,645 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:52:37,645 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:52:37,645 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:52:37,645 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:52:37,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:52:37,645 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:52:37,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:52:37,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:52:37,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:37,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:52:37,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:52:37,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:52:37,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:52:37,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:52:37,955 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:52:37,956 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:52:37,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2023-03-31 23:52:39,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:52:39,462 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:52:39,463 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2023-03-31 23:52:39,475 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dcdaffe/9bc0ba9dad474fa79a4638c7b49d97e4/FLAG9e24a80f7 [2023-03-31 23:52:39,490 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dcdaffe/9bc0ba9dad474fa79a4638c7b49d97e4 [2023-03-31 23:52:39,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:52:39,494 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:52:39,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:39,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:52:39,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:52:39,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766eb69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39, skipping insertion in model container [2023-03-31 23:52:39,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:52:39,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:52:39,751 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2023-03-31 23:52:39,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:39,808 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:52:39,836 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2023-03-31 23:52:39,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:39,909 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:52:39,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39 WrapperNode [2023-03-31 23:52:39,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:39,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:52:39,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:52:39,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:52:39,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,989 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:39,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:52:39,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:52:39,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:52:39,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:52:39,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (1/1) ... [2023-03-31 23:52:40,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:52:40,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:52:40,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:52:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:52:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:52:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:52:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:52:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:52:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:52:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:52:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:52:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:52:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:52:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:52:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:52:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:52:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:52:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:52:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:52:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:52:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:52:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:52:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:52:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:52:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:52:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:52:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:52:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:52:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:52:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:52:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:52:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:52:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:52:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:52:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:52:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:52:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:52:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:52:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:52:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:52:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:52:40,252 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:52:40,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:52:40,756 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:52:40,884 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:52:40,884 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:52:40,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:40 BoogieIcfgContainer [2023-03-31 23:52:40,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:52:40,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:52:40,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:52:40,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:52:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:52:39" (1/3) ... [2023-03-31 23:52:40,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2da014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:40, skipping insertion in model container [2023-03-31 23:52:40,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:39" (2/3) ... [2023-03-31 23:52:40,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2da014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:40, skipping insertion in model container [2023-03-31 23:52:40,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:40" (3/3) ... [2023-03-31 23:52:40,897 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2023-03-31 23:52:40,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:52:40,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:52:40,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:52:40,969 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=FINITE_AUTOMATA, 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;@62da889f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:52:40,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:52:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 82 states have internal predecessors, (86), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-03-31 23:52:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-03-31 23:52:40,981 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:40,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:40,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:40,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1339763418, now seen corresponding path program 1 times [2023-03-31 23:52:40,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:40,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580442438] [2023-03-31 23:52:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:40,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:41,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:41,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580442438] [2023-03-31 23:52:41,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580442438] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:41,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:41,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:52:41,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022725217] [2023-03-31 23:52:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:41,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:52:41,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:41,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:52:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:52:41,264 INFO L87 Difference]: Start difference. First operand has 148 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 82 states have internal predecessors, (86), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:52:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:41,395 INFO L93 Difference]: Finished difference Result 229 states and 278 transitions. [2023-03-31 23:52:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:52:41,397 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-03-31 23:52:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:41,405 INFO L225 Difference]: With dead ends: 229 [2023-03-31 23:52:41,405 INFO L226 Difference]: Without dead ends: 115 [2023-03-31 23:52:41,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:52:41,422 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:41,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:52:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-03-31 23:52:41,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-03-31 23:52:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 70 states have internal predecessors, (72), 33 states have call successors, (33), 27 states have call predecessors, (33), 22 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-03-31 23:52:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2023-03-31 23:52:41,499 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 42 [2023-03-31 23:52:41,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:41,500 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2023-03-31 23:52:41,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:52:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2023-03-31 23:52:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 23:52:41,504 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:41,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:41,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:52:41,504 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:41,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:41,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1257504214, now seen corresponding path program 1 times [2023-03-31 23:52:41,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:41,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089589165] [2023-03-31 23:52:41,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:41,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:41,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:41,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089589165] [2023-03-31 23:52:41,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089589165] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:41,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:41,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:52:41,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069845414] [2023-03-31 23:52:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:41,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:52:41,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:52:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:52:41,653 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:52:41,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:41,715 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2023-03-31 23:52:41,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:52:41,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-03-31 23:52:41,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:41,718 INFO L225 Difference]: With dead ends: 183 [2023-03-31 23:52:41,719 INFO L226 Difference]: Without dead ends: 107 [2023-03-31 23:52:41,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:52:41,721 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 9 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:41,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 201 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:52:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-03-31 23:52:41,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-03-31 23:52:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 65 states have internal predecessors, (66), 30 states have call successors, (30), 26 states have call predecessors, (30), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 23:52:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2023-03-31 23:52:41,732 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 43 [2023-03-31 23:52:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:41,732 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2023-03-31 23:52:41,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:52:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2023-03-31 23:52:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:52:41,743 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:41,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:41,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:52:41,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:41,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2040499462, now seen corresponding path program 1 times [2023-03-31 23:52:41,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:41,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082719570] [2023-03-31 23:52:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:42,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:42,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082719570] [2023-03-31 23:52:42,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082719570] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:42,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:42,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:52:42,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627996805] [2023-03-31 23:52:42,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:42,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:52:42,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:42,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:52:42,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:52:42,012 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:52:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:42,236 INFO L93 Difference]: Finished difference Result 192 states and 223 transitions. [2023-03-31 23:52:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:52:42,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-03-31 23:52:42,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:42,238 INFO L225 Difference]: With dead ends: 192 [2023-03-31 23:52:42,239 INFO L226 Difference]: Without dead ends: 107 [2023-03-31 23:52:42,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:42,240 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 111 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:42,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 300 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:52:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-03-31 23:52:42,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-03-31 23:52:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 64 states have internal predecessors, (65), 30 states have call successors, (30), 26 states have call predecessors, (30), 22 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 23:52:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2023-03-31 23:52:42,260 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 46 [2023-03-31 23:52:42,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:42,260 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2023-03-31 23:52:42,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:52:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-03-31 23:52:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-03-31 23:52:42,262 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:42,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:42,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:52:42,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:42,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:42,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2005340709, now seen corresponding path program 1 times [2023-03-31 23:52:42,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:42,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983768997] [2023-03-31 23:52:42,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:42,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:42,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983768997] [2023-03-31 23:52:42,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983768997] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:42,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:42,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 23:52:42,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019810342] [2023-03-31 23:52:42,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:42,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:52:42,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:42,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:52:42,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 23:52:42,457 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2023-03-31 23:52:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:42,767 INFO L93 Difference]: Finished difference Result 286 states and 338 transitions. [2023-03-31 23:52:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:52:42,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) Word has length 59 [2023-03-31 23:52:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:42,778 INFO L225 Difference]: With dead ends: 286 [2023-03-31 23:52:42,778 INFO L226 Difference]: Without dead ends: 201 [2023-03-31 23:52:42,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 23:52:42,788 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 150 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:42,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 156 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:52:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-03-31 23:52:42,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2023-03-31 23:52:42,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 98 states have (on average 1.163265306122449) internal successors, (114), 108 states have internal predecessors, (114), 43 states have call successors, (43), 40 states have call predecessors, (43), 42 states have return successors, (47), 42 states have call predecessors, (47), 39 states have call successors, (47) [2023-03-31 23:52:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 204 transitions. [2023-03-31 23:52:42,823 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 204 transitions. Word has length 59 [2023-03-31 23:52:42,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:42,825 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 204 transitions. [2023-03-31 23:52:42,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2023-03-31 23:52:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 204 transitions. [2023-03-31 23:52:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-03-31 23:52:42,828 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:42,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:42,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:52:42,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:42,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:42,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1848027055, now seen corresponding path program 1 times [2023-03-31 23:52:42,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:42,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109526244] [2023-03-31 23:52:42,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:42,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:43,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:43,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109526244] [2023-03-31 23:52:43,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109526244] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:43,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:43,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:52:43,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086852690] [2023-03-31 23:52:43,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:43,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:52:43,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:43,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:52:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:52:43,045 INFO L87 Difference]: Start difference. First operand 184 states and 204 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-03-31 23:52:43,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:43,390 INFO L93 Difference]: Finished difference Result 204 states and 232 transitions. [2023-03-31 23:52:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 23:52:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 68 [2023-03-31 23:52:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:43,393 INFO L225 Difference]: With dead ends: 204 [2023-03-31 23:52:43,393 INFO L226 Difference]: Without dead ends: 201 [2023-03-31 23:52:43,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-03-31 23:52:43,399 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 118 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:43,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 266 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:52:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-03-31 23:52:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2023-03-31 23:52:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 98 states have (on average 1.153061224489796) internal successors, (113), 108 states have internal predecessors, (113), 43 states have call successors, (43), 40 states have call predecessors, (43), 42 states have return successors, (47), 42 states have call predecessors, (47), 39 states have call successors, (47) [2023-03-31 23:52:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2023-03-31 23:52:43,427 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 68 [2023-03-31 23:52:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:43,428 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2023-03-31 23:52:43,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2023-03-31 23:52:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2023-03-31 23:52:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-03-31 23:52:43,436 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:43,436 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:43,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:52:43,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:43,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:43,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1750971236, now seen corresponding path program 1 times [2023-03-31 23:52:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:43,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017280788] [2023-03-31 23:52:43,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:52:43,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:43,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017280788] [2023-03-31 23:52:43,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017280788] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:43,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:43,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:52:43,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309292195] [2023-03-31 23:52:43,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:43,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:52:43,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:43,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:52:43,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:43,608 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) [2023-03-31 23:52:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:43,911 INFO L93 Difference]: Finished difference Result 465 states and 541 transitions. [2023-03-31 23:52:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:52:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) Word has length 81 [2023-03-31 23:52:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:43,918 INFO L225 Difference]: With dead ends: 465 [2023-03-31 23:52:43,918 INFO L226 Difference]: Without dead ends: 303 [2023-03-31 23:52:43,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 23:52:43,920 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 98 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:43,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 638 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:52:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-03-31 23:52:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 295. [2023-03-31 23:52:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 161 states have (on average 1.1366459627329193) internal successors, (183), 176 states have internal predecessors, (183), 68 states have call successors, (68), 62 states have call predecessors, (68), 65 states have return successors, (79), 67 states have call predecessors, (79), 64 states have call successors, (79) [2023-03-31 23:52:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 330 transitions. [2023-03-31 23:52:43,957 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 330 transitions. Word has length 81 [2023-03-31 23:52:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:43,958 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 330 transitions. [2023-03-31 23:52:43,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) [2023-03-31 23:52:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 330 transitions. [2023-03-31 23:52:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-03-31 23:52:43,960 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:43,960 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:43,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:52:43,961 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:43,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash 725063255, now seen corresponding path program 1 times [2023-03-31 23:52:43,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:43,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551190574] [2023-03-31 23:52:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 23:52:44,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551190574] [2023-03-31 23:52:44,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551190574] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:52:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573027610] [2023-03-31 23:52:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:44,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:52:44,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:52:44,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:52:44,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:52:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:44,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 25 conjunts are in the unsatisfiable core [2023-03-31 23:52:44,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:52:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 23:52:44,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 23:52:44,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573027610] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:44,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 23:52:44,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-03-31 23:52:44,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512409088] [2023-03-31 23:52:44,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:44,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 23:52:44,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:44,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 23:52:44,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 23:52:44,793 INFO L87 Difference]: Start difference. First operand 295 states and 330 transitions. Second operand has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-03-31 23:52:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:45,153 INFO L93 Difference]: Finished difference Result 758 states and 873 transitions. [2023-03-31 23:52:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 23:52:45,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) Word has length 133 [2023-03-31 23:52:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:45,154 INFO L225 Difference]: With dead ends: 758 [2023-03-31 23:52:45,154 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:52:45,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-03-31 23:52:45,157 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 92 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:52:45,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 681 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:52:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:52:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:52:45,158 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) [2023-03-31 23:52:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:52:45,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2023-03-31 23:52:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:45,159 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:52:45,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-03-31 23:52:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:52:45,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:52:45,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:52:45,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:52:45,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:52:45,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:52:46,541 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:52:46,541 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L675-2(lines 675 696) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L697(lines 674 698) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 650 705) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 650 705) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L732-2(lines 732 757) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L758(lines 731 759) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 706 765) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L751-1(line 751) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 706 765) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 706 765) no Hoare annotation was computed. [2023-03-31 23:52:46,542 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2023-03-31 23:52:46,543 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 458 466) no Hoare annotation was computed. [2023-03-31 23:52:46,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 466) the Hoare annotation is: true [2023-03-31 23:52:46,543 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-03-31 23:52:46,543 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,543 INFO L895 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,543 INFO L895 garLoopResultBuilder]: At program point L415-1(line 415) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,543 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 409 431) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 409 431) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,544 INFO L895 garLoopResultBuilder]: At program point L421(line 421) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~5 1))) [2023-03-31 23:52:46,544 INFO L895 garLoopResultBuilder]: At program point L421-1(line 421) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~5 1))) [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 419 426) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 365 388) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L382(line 382) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L381(line 381) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2023-03-31 23:52:46,544 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 365 388) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L375(line 375) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L374(line 374) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L373(line 373) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L372(line 372) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L371(line 371) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point L370(line 370) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 365 388) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 444 450) no Hoare annotation was computed. [2023-03-31 23:52:46,545 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 444 450) the Hoare annotation is: true [2023-03-31 23:52:46,546 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 917 962) no Hoare annotation was computed. [2023-03-31 23:52:46,546 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 917 962) no Hoare annotation was computed. [2023-03-31 23:52:46,546 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 583 596) the Hoare annotation is: true [2023-03-31 23:52:46,546 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 583 596) no Hoare annotation was computed. [2023-03-31 23:52:46,546 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 192 216) no Hoare annotation was computed. [2023-03-31 23:52:46,546 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:52:46,546 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2023-03-31 23:52:46,546 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,546 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2023-03-31 23:52:46,546 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 192 216) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point L198-1(line 198) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2023-03-31 23:52:46,547 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 55 120) no Hoare annotation was computed. [2023-03-31 23:52:46,547 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-03-31 23:52:46,548 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-03-31 23:52:46,548 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 23:52:46,548 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 23:52:46,548 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-03-31 23:52:46,548 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-03-31 23:52:46,548 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 55 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,548 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,548 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= 1 ~systemActive~0))) [2023-03-31 23:52:46,548 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 55 120) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 551 573) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 551 573) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 225 241) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 225 241) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 241) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point L230-1(line 230) no Hoare annotation was computed. [2023-03-31 23:52:46,549 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 306 324) the Hoare annotation is: true [2023-03-31 23:52:46,550 INFO L902 garLoopResultBuilder]: At program point L313(line 313) the Hoare annotation is: true [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point L313-1(line 313) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 574 582) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 574 582) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,550 INFO L895 garLoopResultBuilder]: At program point L145(lines 145 151) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,550 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point L138(lines 137 156) no Hoare annotation was computed. [2023-03-31 23:52:46,550 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 157) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,550 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 364) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point L360(lines 335 364) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 542 550) the Hoare annotation is: true [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 506 517) no Hoare annotation was computed. [2023-03-31 23:52:46,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 506 517) the Hoare annotation is: true [2023-03-31 23:52:46,552 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 325 332) no Hoare annotation was computed. [2023-03-31 23:52:46,552 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 332) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,552 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2023-03-31 23:52:46,552 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 518 529) the Hoare annotation is: true [2023-03-31 23:52:46,552 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 468 475) the Hoare annotation is: true [2023-03-31 23:52:46,552 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2023-03-31 23:52:46,552 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 468 475) no Hoare annotation was computed. [2023-03-31 23:52:46,552 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 451 457) the Hoare annotation is: true [2023-03-31 23:52:46,552 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 451 457) no Hoare annotation was computed. [2023-03-31 23:52:46,557 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-03-31 23:52:46,557 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:52:46,558 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 166 190) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point L172-1(line 172) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 261 269) the Hoare annotation is: true [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-03-31 23:52:46,558 INFO L899 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 270 305) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 604 649) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 604 649) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 396 405) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 396 405) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 396 405) no Hoare annotation was computed. [2023-03-31 23:52:46,559 INFO L902 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: true [2023-03-31 23:52:46,559 INFO L899 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 250 260) the Hoare annotation is: true [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 242 249) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 871 916) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 871 916) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 217 224) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 217 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 434 443) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 434 443) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 813) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point L818(lines 817 837) no Hoare annotation was computed. [2023-03-31 23:52:46,560 INFO L899 garLoopResultBuilder]: For program point L849(line 849) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 855) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 768 870) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 768 870) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L833(line 833) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 796) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 768 870) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L817-2(lines 817 837) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point L838(lines 816 839) no Hoare annotation was computed. [2023-03-31 23:52:46,561 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-03-31 23:52:46,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 541) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 389 395) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 389 395) the Hoare annotation is: true [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:52:46,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:52:46,562 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 477 501) no Hoare annotation was computed. [2023-03-31 23:52:46,563 INFO L895 garLoopResultBuilder]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2023-03-31 23:52:46,563 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 477 501) the Hoare annotation is: true [2023-03-31 23:52:46,564 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2023-03-31 23:52:46,564 INFO L895 garLoopResultBuilder]: At program point L487(line 487) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) [2023-03-31 23:52:46,564 INFO L899 garLoopResultBuilder]: For program point L487-1(line 487) no Hoare annotation was computed. [2023-03-31 23:52:46,564 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2023-03-31 23:52:46,564 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 477 501) no Hoare annotation was computed. [2023-03-31 23:52:46,565 INFO L902 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: true [2023-03-31 23:52:46,565 INFO L899 garLoopResultBuilder]: For program point L483-1(line 483) no Hoare annotation was computed. [2023-03-31 23:52:46,568 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:52:46,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:52:46,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:52:46 BoogieIcfgContainer [2023-03-31 23:52:46,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:52:46,581 INFO L158 Benchmark]: Toolchain (without parser) took 7087.62ms. Allocated memory was 299.9MB in the beginning and 390.1MB in the end (delta: 90.2MB). Free memory was 251.6MB in the beginning and 189.4MB in the end (delta: 62.2MB). Peak memory consumption was 153.6MB. Max. memory is 8.0GB. [2023-03-31 23:52:46,581 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:52:46,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.05ms. Allocated memory is still 299.9MB. Free memory was 251.6MB in the beginning and 233.0MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:52:46,582 INFO L158 Benchmark]: Boogie Preprocessor took 84.75ms. Allocated memory is still 299.9MB. Free memory was 233.0MB in the beginning and 229.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:52:46,583 INFO L158 Benchmark]: RCFGBuilder took 891.06ms. Allocated memory is still 299.9MB. Free memory was 229.6MB in the beginning and 228.8MB in the end (delta: 802.8kB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. [2023-03-31 23:52:46,583 INFO L158 Benchmark]: TraceAbstraction took 5691.27ms. Allocated memory was 299.9MB in the beginning and 390.1MB in the end (delta: 90.2MB). Free memory was 228.3MB in the beginning and 189.4MB in the end (delta: 38.9MB). Peak memory consumption was 129.6MB. Max. memory is 8.0GB. [2023-03-31 23:52:46,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 414.05ms. Allocated memory is still 299.9MB. Free memory was 251.6MB in the beginning and 233.0MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.75ms. Allocated memory is still 299.9MB. Free memory was 233.0MB in the beginning and 229.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 891.06ms. Allocated memory is still 299.9MB. Free memory was 229.6MB in the beginning and 228.8MB in the end (delta: 802.8kB). Peak memory consumption was 28.2MB. Max. memory is 8.0GB. * TraceAbstraction took 5691.27ms. Allocated memory was 299.9MB in the beginning and 390.1MB in the end (delta: 90.2MB). Free memory was 228.3MB in the beginning and 189.4MB in the end (delta: 38.9MB). Peak memory consumption was 129.6MB. 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: 472]: 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 41 procedures, 189 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 610 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 578 mSDsluCounter, 2369 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1691 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1888 IncrementalHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 678 mSDtfsCounter, 1888 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=6, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 662 PreInvPairs, 711 NumberOfFragments, 743 HoareAnnotationTreeSize, 662 FomulaSimplifications, 417 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 2459 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047 SizeOfPredicates, 5 NumberOfNonLiveVariables, 488 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 84/88 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: 64]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 23:52:46,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...