/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_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:59:04,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:59:04,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:59:04,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:59:04,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:59:04,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:59:04,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:59:04,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:59:04,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:59:04,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:59:04,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:59:04,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:59:04,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:59:04,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:59:04,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:59:04,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:59:04,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:59:04,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:59:04,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:59:04,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:59:04,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:59:04,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:59:04,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:59:04,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:59:04,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:59:04,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:59:04,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:59:04,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:59:04,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:59:04,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:59:04,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:59:04,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:59:04,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:59:04,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:59:04,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:59:04,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:59:04,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:59:04,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:59:04,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:59:04,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:59:04,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:59:04,521 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 23:59:04,542 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:59:04,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:59:04,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:59:04,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:59:04,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:59:04,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:59:04,543 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:59:04,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:59:04,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:59:04,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:59:04,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:59:04,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:59:04,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:04,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:59:04,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:59:04,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:59:04,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:59:04,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:59:04,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:59:04,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:59:04,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:59:04,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:59:04,744 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:59:04,745 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:59:04,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2023-03-31 23:59:05,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:59:06,027 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:59:06,027 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2023-03-31 23:59:06,035 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf586a900/a25db81450b54fa3998aaa38926fa841/FLAG5c0e72b25 [2023-03-31 23:59:06,047 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf586a900/a25db81450b54fa3998aaa38926fa841 [2023-03-31 23:59:06,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:59:06,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:59:06,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:06,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:59:06,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:59:06,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274baeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06, skipping insertion in model container [2023-03-31 23:59:06,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:59:06,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:59:06,250 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2023-03-31 23:59:06,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:06,260 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:59:06,301 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2023-03-31 23:59:06,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:06,314 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:59:06,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06 WrapperNode [2023-03-31 23:59:06,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:06,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:59:06,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:59:06,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:59:06,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:59:06,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:59:06,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:59:06,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:59:06,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (1/1) ... [2023-03-31 23:59:06,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:06,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:06,433 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 23:59:06,437 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 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:59:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:59:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:59:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:59:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:59:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:59:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:59:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:59:06,594 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:59:06,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:59:07,085 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:59:07,224 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:59:07,225 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:59:07,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:07 BoogieIcfgContainer [2023-03-31 23:59:07,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:59:07,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:59:07,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:59:07,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:59:07,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:59:06" (1/3) ... [2023-03-31 23:59:07,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:07, skipping insertion in model container [2023-03-31 23:59:07,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:06" (2/3) ... [2023-03-31 23:59:07,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:07, skipping insertion in model container [2023-03-31 23:59:07,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:07" (3/3) ... [2023-03-31 23:59:07,238 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2023-03-31 23:59:07,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:59:07,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:59:07,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:59:07,304 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;@3f5f2495, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:59:07,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:59:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 64 states have (on average 1.25) internal successors, (80), 75 states have internal predecessors, (80), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-03-31 23:59:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 23:59:07,317 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:07,318 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] [2023-03-31 23:59:07,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:07,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:07,324 INFO L85 PathProgramCache]: Analyzing trace with hash 470964012, now seen corresponding path program 1 times [2023-03-31 23:59:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:07,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336916453] [2023-03-31 23:59:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:07,605 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 23:59:07,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:07,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336916453] [2023-03-31 23:59:07,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336916453] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:07,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:07,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:59:07,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058524837] [2023-03-31 23:59:07,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:07,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:59:07,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:59:07,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:07,651 INFO L87 Difference]: Start difference. First operand has 142 states, 64 states have (on average 1.25) internal successors, (80), 75 states have internal predecessors, (80), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:07,738 INFO L93 Difference]: Finished difference Result 214 states and 255 transitions. [2023-03-31 23:59:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:59:07,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-03-31 23:59:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:07,748 INFO L225 Difference]: With dead ends: 214 [2023-03-31 23:59:07,749 INFO L226 Difference]: Without dead ends: 109 [2023-03-31 23:59:07,751 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 23:59:07,756 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:07,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:07,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-03-31 23:59:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-03-31 23:59:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 55 states have (on average 1.2) internal successors, (66), 63 states have internal predecessors, (66), 31 states have call successors, (31), 27 states have call predecessors, (31), 22 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 23:59:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2023-03-31 23:59:07,809 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 52 [2023-03-31 23:59:07,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:07,809 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2023-03-31 23:59:07,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2023-03-31 23:59:07,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 23:59:07,812 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:07,812 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] [2023-03-31 23:59:07,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:59:07,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:07,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:07,813 INFO L85 PathProgramCache]: Analyzing trace with hash -2059356942, now seen corresponding path program 1 times [2023-03-31 23:59:07,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:07,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429100742] [2023-03-31 23:59:07,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:07,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:07,951 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 23:59:07,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:07,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429100742] [2023-03-31 23:59:07,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429100742] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:07,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:07,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:59:07,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492137929] [2023-03-31 23:59:07,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:07,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:59:07,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:59:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:07,954 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:08,001 INFO L93 Difference]: Finished difference Result 172 states and 194 transitions. [2023-03-31 23:59:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:59:08,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-03-31 23:59:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:08,004 INFO L225 Difference]: With dead ends: 172 [2023-03-31 23:59:08,004 INFO L226 Difference]: Without dead ends: 101 [2023-03-31 23:59:08,005 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 23:59:08,006 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 7 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:08,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 182 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:08,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-03-31 23:59:08,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-03-31 23:59:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 50 states have (on average 1.2) internal successors, (60), 58 states have internal predecessors, (60), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-03-31 23:59:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 112 transitions. [2023-03-31 23:59:08,015 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 112 transitions. Word has length 53 [2023-03-31 23:59:08,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:08,015 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 112 transitions. [2023-03-31 23:59:08,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-03-31 23:59:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 112 transitions. [2023-03-31 23:59:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-03-31 23:59:08,020 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:08,021 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] [2023-03-31 23:59:08,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:59:08,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:08,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash 503331343, now seen corresponding path program 1 times [2023-03-31 23:59:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774242431] [2023-03-31 23:59:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:08,194 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 23:59:08,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:08,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774242431] [2023-03-31 23:59:08,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774242431] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:08,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:08,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:08,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217284165] [2023-03-31 23:59:08,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:08,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:08,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:08,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:08,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:08,196 INFO L87 Difference]: Start difference. First operand 101 states and 112 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:08,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:08,362 INFO L93 Difference]: Finished difference Result 177 states and 200 transitions. [2023-03-31 23:59:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:59:08,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 55 [2023-03-31 23:59:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:08,367 INFO L225 Difference]: With dead ends: 177 [2023-03-31 23:59:08,368 INFO L226 Difference]: Without dead ends: 101 [2023-03-31 23:59:08,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 23:59:08,374 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 150 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:08,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 263 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:59:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-03-31 23:59:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-03-31 23:59:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 50 states have (on average 1.18) internal successors, (59), 57 states have internal predecessors, (59), 28 states have call successors, (28), 26 states have call predecessors, (28), 22 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-03-31 23:59:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2023-03-31 23:59:08,382 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 55 [2023-03-31 23:59:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:08,383 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2023-03-31 23:59:08,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 23:59:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2023-03-31 23:59:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-03-31 23:59:08,391 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:08,391 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] [2023-03-31 23:59:08,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:59:08,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:08,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1327864330, now seen corresponding path program 1 times [2023-03-31 23:59:08,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:08,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065343286] [2023-03-31 23:59:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:08,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:08,443 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 23:59:08,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:08,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065343286] [2023-03-31 23:59:08,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065343286] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:08,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:08,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 23:59:08,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979973395] [2023-03-31 23:59:08,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:08,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:59:08,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:08,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:59:08,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 23:59:08,446 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 23:59:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:08,663 INFO L93 Difference]: Finished difference Result 256 states and 297 transitions. [2023-03-31 23:59:08,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:59:08,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 63 [2023-03-31 23:59:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:08,665 INFO L225 Difference]: With dead ends: 256 [2023-03-31 23:59:08,665 INFO L226 Difference]: Without dead ends: 180 [2023-03-31 23:59:08,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:08,666 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 158 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:08,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 114 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:59:08,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-03-31 23:59:08,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 165. [2023-03-31 23:59:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 94 states have internal predecessors, (103), 40 states have call successors, (40), 38 states have call predecessors, (40), 37 states have return successors, (41), 37 states have call predecessors, (41), 36 states have call successors, (41) [2023-03-31 23:59:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 184 transitions. [2023-03-31 23:59:08,682 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 184 transitions. Word has length 63 [2023-03-31 23:59:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:08,682 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 184 transitions. [2023-03-31 23:59:08,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 23:59:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 184 transitions. [2023-03-31 23:59:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-03-31 23:59:08,683 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:08,683 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] [2023-03-31 23:59:08,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:59:08,683 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:08,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash 679691842, now seen corresponding path program 1 times [2023-03-31 23:59:08,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:08,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376565159] [2023-03-31 23:59:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 23:59:08,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:08,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376565159] [2023-03-31 23:59:08,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376565159] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:08,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:08,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:08,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098960681] [2023-03-31 23:59:08,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:08,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:08,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:08,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:08,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:08,793 INFO L87 Difference]: Start difference. First operand 165 states and 184 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, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-03-31 23:59:09,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:09,048 INFO L93 Difference]: Finished difference Result 319 states and 366 transitions. [2023-03-31 23:59:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 23:59:09,048 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, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 72 [2023-03-31 23:59:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:09,050 INFO L225 Difference]: With dead ends: 319 [2023-03-31 23:59:09,050 INFO L226 Difference]: Without dead ends: 179 [2023-03-31 23:59:09,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-03-31 23:59:09,051 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 129 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:09,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 200 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:59:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-03-31 23:59:09,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2023-03-31 23:59:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 93 states have internal predecessors, (100), 40 states have call successors, (40), 38 states have call predecessors, (40), 37 states have return successors, (41), 37 states have call predecessors, (41), 36 states have call successors, (41) [2023-03-31 23:59:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 181 transitions. [2023-03-31 23:59:09,065 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 181 transitions. Word has length 72 [2023-03-31 23:59:09,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:09,066 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 181 transitions. [2023-03-31 23:59:09,066 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, (20), 4 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-03-31 23:59:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2023-03-31 23:59:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-03-31 23:59:09,067 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:09,067 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, 1, 1, 1, 1] [2023-03-31 23:59:09,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:59:09,067 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:09,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:09,068 INFO L85 PathProgramCache]: Analyzing trace with hash -130992365, now seen corresponding path program 1 times [2023-03-31 23:59:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531358565] [2023-03-31 23:59:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:09,334 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 23:59:09,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:09,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531358565] [2023-03-31 23:59:09,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531358565] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:09,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 23:59:09,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714423474] [2023-03-31 23:59:09,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:09,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 23:59:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:09,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 23:59:09,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:59:09,337 INFO L87 Difference]: Start difference. First operand 164 states and 181 transitions. Second operand has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-03-31 23:59:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:09,706 INFO L93 Difference]: Finished difference Result 430 states and 491 transitions. [2023-03-31 23:59:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 23:59:09,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) Word has length 85 [2023-03-31 23:59:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:09,709 INFO L225 Difference]: With dead ends: 430 [2023-03-31 23:59:09,709 INFO L226 Difference]: Without dead ends: 291 [2023-03-31 23:59:09,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:09,710 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 176 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:09,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 679 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:09,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-03-31 23:59:09,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 282. [2023-03-31 23:59:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 153 states have (on average 1.1568627450980393) internal successors, (177), 163 states have internal predecessors, (177), 67 states have call successors, (67), 63 states have call predecessors, (67), 61 states have return successors, (75), 64 states have call predecessors, (75), 63 states have call successors, (75) [2023-03-31 23:59:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 319 transitions. [2023-03-31 23:59:09,745 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 319 transitions. Word has length 85 [2023-03-31 23:59:09,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:09,745 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 319 transitions. [2023-03-31 23:59:09,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-03-31 23:59:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 319 transitions. [2023-03-31 23:59:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-03-31 23:59:09,747 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:09,747 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, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:09,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:59:09,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:09,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1490695872, now seen corresponding path program 1 times [2023-03-31 23:59:09,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:09,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057283719] [2023-03-31 23:59:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:09,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:09,979 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 23:59:09,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:09,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057283719] [2023-03-31 23:59:09,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057283719] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:09,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:09,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 23:59:09,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024445543] [2023-03-31 23:59:09,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:09,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 23:59:09,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 23:59:09,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:59:09,982 INFO L87 Difference]: Start difference. First operand 282 states and 319 transitions. Second operand has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-03-31 23:59:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:10,437 INFO L93 Difference]: Finished difference Result 872 states and 1015 transitions. [2023-03-31 23:59:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:59:10,438 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 88 [2023-03-31 23:59:10,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:10,443 INFO L225 Difference]: With dead ends: 872 [2023-03-31 23:59:10,443 INFO L226 Difference]: Without dead ends: 667 [2023-03-31 23:59:10,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:10,444 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 214 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:10,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 484 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:10,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2023-03-31 23:59:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 575. [2023-03-31 23:59:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 317 states have (on average 1.16403785488959) internal successors, (369), 336 states have internal predecessors, (369), 131 states have call successors, (131), 124 states have call predecessors, (131), 126 states have return successors, (156), 130 states have call predecessors, (156), 127 states have call successors, (156) [2023-03-31 23:59:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 656 transitions. [2023-03-31 23:59:10,496 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 656 transitions. Word has length 88 [2023-03-31 23:59:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:10,497 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 656 transitions. [2023-03-31 23:59:10,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-03-31 23:59:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 656 transitions. [2023-03-31 23:59:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-03-31 23:59:10,498 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:10,499 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:10,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 23:59:10,499 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:10,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:10,499 INFO L85 PathProgramCache]: Analyzing trace with hash -620886872, now seen corresponding path program 1 times [2023-03-31 23:59:10,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:10,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680208856] [2023-03-31 23:59:10,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 23:59:10,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:10,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680208856] [2023-03-31 23:59:10,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680208856] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:10,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627354643] [2023-03-31 23:59:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:10,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:10,659 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 23:59:10,673 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 23:59:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:10,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 23:59:10,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:59:10,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 23:59:11,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627354643] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:11,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [532786634] [2023-03-31 23:59:11,236 INFO L159 IcfgInterpreter]: Started Sifa with 97 locations of interest [2023-03-31 23:59:11,237 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:11,239 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:11,242 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:11,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:11,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:11,412 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 34 for LOIs [2023-03-31 23:59:11,586 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 34 for LOIs [2023-03-31 23:59:11,621 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 34 for LOIs [2023-03-31 23:59:12,255 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 29 for LOIs [2023-03-31 23:59:12,259 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-03-31 23:59:12,325 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:12,329 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:12,451 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:12,472 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:12,477 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:12,520 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-03-31 23:59:12,544 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-03-31 23:59:12,547 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:12,549 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 29 for LOIs [2023-03-31 23:59:12,552 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:12,555 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:12,557 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:12,597 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:12,600 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:12,604 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-03-31 23:59:12,614 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-03-31 23:59:12,619 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:12,621 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:12,623 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:12,626 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:15,598 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6707#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:15,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:15,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-03-31 23:59:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229247544] [2023-03-31 23:59:15,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:15,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 23:59:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 23:59:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=4271, Unknown=0, NotChecked=0, Total=4692 [2023-03-31 23:59:15,602 INFO L87 Difference]: Start difference. First operand 575 states and 656 transitions. Second operand has 19 states, 12 states have (on average 8.416666666666666) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-03-31 23:59:16,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:16,173 INFO L93 Difference]: Finished difference Result 815 states and 937 transitions. [2023-03-31 23:59:16,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 23:59:16,173 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 8.416666666666666) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) Word has length 125 [2023-03-31 23:59:16,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:16,174 INFO L225 Difference]: With dead ends: 815 [2023-03-31 23:59:16,174 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:59:16,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 310 SyntacticMatches, 12 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2681 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=522, Invalid=5798, Unknown=0, NotChecked=0, Total=6320 [2023-03-31 23:59:16,177 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:16,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1167 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 23:59:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:59:16,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:59:16,178 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 23:59:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:59:16,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2023-03-31 23:59:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:16,178 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:59:16,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 8.416666666666666) internal successors, (101), 15 states have internal predecessors, (101), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-03-31 23:59:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:59:16,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:59:16,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:59:16,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 23:59:16,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:16,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:59:18,419 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 632) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L622-2(lines 622 643) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 597 652) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 597 652) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L644(lines 621 645) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L705(lines 678 706) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L698(line 698) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 689) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 653 712) no Hoare annotation was computed. [2023-03-31 23:59:18,420 INFO L899 garLoopResultBuilder]: For program point L679-2(lines 679 704) no Hoare annotation was computed. [2023-03-31 23:59:18,421 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 936 944) no Hoare annotation was computed. [2023-03-31 23:59:18,421 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 936 944) the Hoare annotation is: true [2023-03-31 23:59:18,421 INFO L899 garLoopResultBuilder]: For program point L289(line 289) no Hoare annotation was computed. [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point L287-1(line 287) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,421 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 281 303) no Hoare annotation was computed. [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 281 303) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:18,421 INFO L895 garLoopResultBuilder]: At program point L293-1(line 293) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:18,421 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2023-03-31 23:59:18,421 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 298) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L253(line 253) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L251(line 251) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L249(line 249) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L247(line 247) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 235 258) no Hoare annotation was computed. [2023-03-31 23:59:18,422 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 922 928) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 922 928) the Hoare annotation is: true [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 864 909) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 864 909) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 187 200) the Hoare annotation is: true [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 187 200) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 361) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L895 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point L351-1(line 351) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 366) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 345 369) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L895 garLoopResultBuilder]: At program point L364(line 364) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse1))) [2023-03-31 23:59:18,423 INFO L899 garLoopResultBuilder]: For program point L364-1(lines 345 369) no Hoare annotation was computed. [2023-03-31 23:59:18,423 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 345 369) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse3 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse0 .cse1))) [2023-03-31 23:59:18,423 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (= 0 processEnvironment_~tmp~2) .cse2) .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse2 .cse1 (<= ~waterLevel~0 1) .cse3) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point L355(line 355) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 337 343) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 337 343) the Hoare annotation is: true [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (and .cse5 .cse1 .cse3 .cse0 .cse4) (and .cse5 .cse1 .cse0 (= ~waterLevel~0 1)))) [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point L510-1(lines 510 516) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 480 543) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and (or (and .cse1 .cse2 .cse3) (and .cse1 .cse4)) .cse5) (and .cse1 .cse0 (= ~switchedOnBeforeTS~0 1) .cse5) (and .cse6 .cse1 .cse2 .cse0 .cse3) (and .cse6 .cse1 .cse0 .cse4))) [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point L533(lines 490 535) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (and .cse5 .cse1 .cse3 .cse0 .cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse5 .cse1 .cse0 (= ~waterLevel~0 1)))) [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 480 543) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-03-31 23:59:18,424 INFO L895 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,425 INFO L895 garLoopResultBuilder]: At program point L526-2(lines 520 531) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse0) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse2) (and .cse1 .cse3 .cse4 .cse2) (and .cse5 .cse1 .cse3 .cse0 .cse4) (and .cse5 .cse1 .cse0 (= ~waterLevel~0 1)))) [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 480 543) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 177) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 155 177) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point L384-1(line 384) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 379 395) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:18,425 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 392) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 178 186) the Hoare annotation is: true [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 178 186) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2023-03-31 23:59:18,425 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 460 478) the Hoare annotation is: true [2023-03-31 23:59:18,426 INFO L902 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: true [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point L467-1(line 467) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 154) the Hoare annotation is: true [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 146 154) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L895 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= |old(~waterLevel~0)| 1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse4 (or .cse5 (= ~waterLevel~0 1)) .cse6) .cse1 .cse7) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse2 .cse3))) [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point L317(lines 313 335) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point L315(lines 313 335) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 310 336) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 310 336) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 (and .cse7 .cse8)) (or .cse1 (and .cse7 .cse9) .cse2 .cse3 .cse4) (or .cse2 .cse10 .cse3 .cse4 (and .cse9 .cse11)) (or .cse0 (and (= ~switchedOnBeforeTS~0 1) (or .cse9 .cse8) .cse11) .cse2 .cse10) (or .cse0 .cse1 .cse6 .cse2 .cse5))) [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 310 336) no Hoare annotation was computed. [2023-03-31 23:59:18,426 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2023-03-31 23:59:18,426 INFO L895 garLoopResultBuilder]: At program point L324(lines 324 330) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse6 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 .cse10 .cse3) (and .cse10 .cse6))))) [2023-03-31 23:59:18,426 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 233) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 110 121) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 122 133) no Hoare annotation was computed. [2023-03-31 23:59:18,427 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 122 133) the Hoare annotation is: (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (<= |old(~waterLevel~0)| 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse2 .cse3 (let ((.cse4 (not (= ~pumpRunning~0 0)))) (and (or .cse4 .cse0 .cse5 .cse6) (or .cse4 .cse7 .cse0)))) (or (and (or .cse7 .cse0) (or .cse0 .cse5 .cse6)) .cse1 .cse2 .cse3))) [2023-03-31 23:59:18,427 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 946 953) the Hoare annotation is: true [2023-03-31 23:59:18,427 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 946 953) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 929 935) the Hoare annotation is: true [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 929 935) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 62 71) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 71) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))) (or .cse0 (< 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 1) .cse3))) [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse2 .cse5))) [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-03-31 23:59:18,428 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 72 100) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 100) the Hoare annotation is: true [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 415 423) the Hoare annotation is: true [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 424 459) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point L454(line 454) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 424 459) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 551 596) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 551 596) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 267 277) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 277) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 267 277) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2023-03-31 23:59:18,429 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 404 414) the Hoare annotation is: true [2023-03-31 23:59:18,429 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 396 403) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 818 863) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 818 863) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 370 377) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 370 377) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L764-2(lines 764 784) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L785(lines 763 786) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 760) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L765(lines 764 784) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 802) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 715 817) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L780(line 780) no Hoare annotation was computed. [2023-03-31 23:59:18,430 INFO L899 garLoopResultBuilder]: For program point L780-1(line 780) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 912 921) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 912 921) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |old(~waterLevel~0)| ~waterLevel~0) (= ~waterLevel~0 1))) [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 145) the Hoare annotation is: true [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 134 145) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:18,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:59:18,431 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:59:18,434 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:18,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:59:18,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:59:18 BoogieIcfgContainer [2023-03-31 23:59:18,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:59:18,444 INFO L158 Benchmark]: Toolchain (without parser) took 12394.49ms. Allocated memory was 294.6MB in the beginning and 597.7MB in the end (delta: 303.0MB). Free memory was 245.2MB in the beginning and 384.1MB in the end (delta: -138.9MB). Peak memory consumption was 278.4MB. Max. memory is 8.0GB. [2023-03-31 23:59:18,445 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:59:18,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.97ms. Allocated memory is still 294.6MB. Free memory was 244.7MB in the beginning and 226.3MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 23:59:18,445 INFO L158 Benchmark]: Boogie Preprocessor took 87.65ms. Allocated memory is still 294.6MB. Free memory was 226.3MB in the beginning and 223.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:59:18,445 INFO L158 Benchmark]: RCFGBuilder took 824.57ms. Allocated memory is still 294.6MB. Free memory was 223.2MB in the beginning and 161.8MB in the end (delta: 61.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-03-31 23:59:18,445 INFO L158 Benchmark]: TraceAbstraction took 11212.90ms. Allocated memory was 294.6MB in the beginning and 597.7MB in the end (delta: 303.0MB). Free memory was 161.3MB in the beginning and 384.1MB in the end (delta: -222.8MB). Peak memory consumption was 194.5MB. Max. memory is 8.0GB. [2023-03-31 23:59:18,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.97ms. Allocated memory is still 294.6MB. Free memory was 244.7MB in the beginning and 226.3MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.65ms. Allocated memory is still 294.6MB. Free memory was 226.3MB in the beginning and 223.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 824.57ms. Allocated memory is still 294.6MB. Free memory was 223.2MB in the beginning and 161.8MB in the end (delta: 61.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * TraceAbstraction took 11212.90ms. Allocated memory was 294.6MB in the beginning and 597.7MB in the end (delta: 303.0MB). Free memory was 161.3MB in the beginning and 384.1MB in the end (delta: -222.8MB). Peak memory consumption was 194.5MB. 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: 950]: 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, 183 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1047 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1000 mSDsluCounter, 3205 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2386 mSDsCounter, 436 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2993 IncrementalHoareTripleChecker+Invalid, 3429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 436 mSolverCounterUnsat, 819 mSDtfsCounter, 2993 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 339 SyntacticMatches, 13 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=575occurred in iteration=7, InterpolantAutomatonStates: 76, 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, 8 MinimizatonAttempts, 131 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 718 PreInvPairs, 764 NumberOfFragments, 1662 HoareAnnotationTreeSize, 718 FomulaSimplifications, 2599 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4839 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 718 NumberOfCodeBlocks, 718 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 1469 SizeOfPredicates, 3 NumberOfNonLiveVariables, 488 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 88/107 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: 490]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((splverifierCounter == 0 && switchedOnBeforeTS == 1) && pumpRunning == 1)) || (((splverifierCounter == 0 && 1 < waterLevel) && waterLevel <= 2) && pumpRunning == 1)) || (((((pumpRunning == 0 && splverifierCounter == 0) && 1 < waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2023-03-31 23:59:18,468 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...