/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 OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:00:47,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:00:47,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:00:47,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:00:47,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:00:47,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:00:47,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:00:47,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:00:47,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:00:47,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:00:47,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:00:47,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:00:47,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:00:47,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:00:47,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:00:47,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:00:47,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:00:47,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:00:47,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:00:47,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:00:47,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:00:47,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:00:47,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:00:47,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:00:47,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:00:47,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:00:47,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:00:47,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:00:47,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:00:47,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:00:47,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:00:47,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:00:47,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:00:47,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:00:47,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:00:47,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:00:47,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:00:47,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:00:47,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:00:47,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:00:47,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:00:47,295 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 [2023-04-03 01:00:47,322 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:00:47,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:00:47,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:00:47,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:00:47,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:00:47,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:00:47,324 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:00:47,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:00:47,324 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:00:47,325 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:00:47,325 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:00:47,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:00:47,325 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:00:47,326 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:00:47,326 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:00:47,326 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:00:47,326 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:00:47,326 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:00:47,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:00:47,327 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:00:47,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:00:47,328 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:00:47,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:00:47,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:00:47,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:00:47,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:47,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:00:47,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:00:47,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:00:47,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:00:47,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:00:47,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:00:47,604 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:00:47,605 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:00:47,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2023-04-03 01:00:49,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:00:49,264 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:00:49,264 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2023-04-03 01:00:49,274 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb9fbfda/613bf89d4c824eab923d20cb5e3361e1/FLAGf20b62177 [2023-04-03 01:00:49,288 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb9fbfda/613bf89d4c824eab923d20cb5e3361e1 [2023-04-03 01:00:49,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:00:49,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:00:49,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:49,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:00:49,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:00:49,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1345d828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49, skipping insertion in model container [2023-04-03 01:00:49,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:00:49,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:00:49,474 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_spec2_product38.cil.c[1605,1618] [2023-04-03 01:00:49,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:49,586 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:00:49,606 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_spec2_product38.cil.c[1605,1618] [2023-04-03 01:00:49,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:00:49,702 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:00:49,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49 WrapperNode [2023-04-03 01:00:49,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:00:49,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:00:49,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:00:49,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:00:49,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,764 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:00:49,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:00:49,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:00:49,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:00:49,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (1/1) ... [2023-04-03 01:00:49,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:00:49,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:49,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:00:49,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:00:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:00:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:00:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:00:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:00:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:00:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:00:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:00:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:00:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:00:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:00:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:00:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:00:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:00:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:00:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:00:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:00:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:00:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:00:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:00:50,005 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:00:50,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:00:50,531 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:00:50,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:00:50,695 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:00:50,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:50 BoogieIcfgContainer [2023-04-03 01:00:50,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:00:50,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:00:50,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:00:50,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:00:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:00:49" (1/3) ... [2023-04-03 01:00:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90d1c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:50, skipping insertion in model container [2023-04-03 01:00:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:00:49" (2/3) ... [2023-04-03 01:00:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90d1c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:00:50, skipping insertion in model container [2023-04-03 01:00:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:00:50" (3/3) ... [2023-04-03 01:00:50,707 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2023-04-03 01:00:50,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:00:50,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:00:50,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:00:50,787 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;@102d3284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:00:50,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:00:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 79 states have internal predecessors, (84), 47 states have call successors, (47), 29 states have call predecessors, (47), 29 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-03 01:00:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-03 01:00:50,800 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:50,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:50,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:50,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:50,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1342417972, now seen corresponding path program 1 times [2023-04-03 01:00:50,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:50,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313010076] [2023-04-03 01:00:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:51,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:51,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313010076] [2023-04-03 01:00:51,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313010076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:51,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:51,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:00:51,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068762289] [2023-04-03 01:00:51,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:51,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:00:51,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:51,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:00:51,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:00:51,056 INFO L87 Difference]: Start difference. First operand has 145 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 79 states have internal predecessors, (84), 47 states have call successors, (47), 29 states have call predecessors, (47), 29 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:51,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:51,138 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2023-04-03 01:00:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:00:51,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-03 01:00:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:51,148 INFO L225 Difference]: With dead ends: 220 [2023-04-03 01:00:51,148 INFO L226 Difference]: Without dead ends: 112 [2023-04-03 01:00:51,152 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 [2023-04-03 01:00:51,155 INFO L413 NwaCegarLoop]: 122 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, 122 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 [2023-04-03 01:00:51,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-04-03 01:00:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-04-03 01:00:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 67 states have internal predecessors, (70), 32 states have call successors, (32), 27 states have call predecessors, (32), 22 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:00:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-04-03 01:00:51,196 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 46 [2023-04-03 01:00:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:51,197 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-04-03 01:00:51,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-04-03 01:00:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:00:51,200 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:51,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:51,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:00:51,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:51,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1756296386, now seen corresponding path program 1 times [2023-04-03 01:00:51,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:51,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402352962] [2023-04-03 01:00:51,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:51,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:51,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:51,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402352962] [2023-04-03 01:00:51,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402352962] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:51,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:51,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908105855] [2023-04-03 01:00:51,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:51,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:51,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:51,289 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:51,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:51,326 INFO L93 Difference]: Finished difference Result 174 states and 201 transitions. [2023-04-03 01:00:51,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:00:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:51,329 INFO L225 Difference]: With dead ends: 174 [2023-04-03 01:00:51,329 INFO L226 Difference]: Without dead ends: 104 [2023-04-03 01:00:51,329 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 [2023-04-03 01:00:51,331 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 9 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 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 [2023-04-03 01:00:51,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:51,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-04-03 01:00:51,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-04-03 01:00:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 62 states have internal predecessors, (64), 29 states have call successors, (29), 26 states have call predecessors, (29), 22 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:00:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2023-04-03 01:00:51,343 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 47 [2023-04-03 01:00:51,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:51,343 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2023-04-03 01:00:51,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:00:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2023-04-03 01:00:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-03 01:00:51,345 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:51,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:51,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:00:51,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:51,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:51,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1354681884, now seen corresponding path program 1 times [2023-04-03 01:00:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:51,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68665189] [2023-04-03 01:00:51,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:51,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68665189] [2023-04-03 01:00:51,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68665189] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:51,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:51,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:00:51,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928319926] [2023-04-03 01:00:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:51,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:00:51,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:00:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:00:51,549 INFO L87 Difference]: Start difference. First operand 104 states and 118 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:51,809 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2023-04-03 01:00:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:00:51,810 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 50 [2023-04-03 01:00:51,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:51,812 INFO L225 Difference]: With dead ends: 183 [2023-04-03 01:00:51,812 INFO L226 Difference]: Without dead ends: 104 [2023-04-03 01:00:51,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:51,814 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 107 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:51,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 284 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-04-03 01:00:51,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-04-03 01:00:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 61 states have internal predecessors, (63), 29 states have call successors, (29), 26 states have call predecessors, (29), 22 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:00:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2023-04-03 01:00:51,828 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 50 [2023-04-03 01:00:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:51,828 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2023-04-03 01:00:51,828 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, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:00:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2023-04-03 01:00:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-04-03 01:00:51,830 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:51,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:51,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:00:51,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:51,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1124201062, now seen corresponding path program 1 times [2023-04-03 01:00:51,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:51,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868232845] [2023-04-03 01:00:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:51,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:52,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:52,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868232845] [2023-04-03 01:00:52,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868232845] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:52,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:52,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:00:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106934674] [2023-04-03 01:00:52,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:52,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:00:52,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:52,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:00:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:00:52,034 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:00:52,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:52,377 INFO L93 Difference]: Finished difference Result 273 states and 325 transitions. [2023-04-03 01:00:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:00:52,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 63 [2023-04-03 01:00:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:52,388 INFO L225 Difference]: With dead ends: 273 [2023-04-03 01:00:52,388 INFO L226 Difference]: Without dead ends: 194 [2023-04-03 01:00:52,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:00:52,396 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 142 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:52,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 149 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:52,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-04-03 01:00:52,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 177. [2023-04-03 01:00:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 95 states have (on average 1.1894736842105262) internal successors, (113), 104 states have internal predecessors, (113), 41 states have call successors, (41), 39 states have call predecessors, (41), 40 states have return successors, (44), 40 states have call predecessors, (44), 37 states have call successors, (44) [2023-04-03 01:00:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 198 transitions. [2023-04-03 01:00:52,443 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 198 transitions. Word has length 63 [2023-04-03 01:00:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:52,444 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 198 transitions. [2023-04-03 01:00:52,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:00:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 198 transitions. [2023-04-03 01:00:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-04-03 01:00:52,451 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:52,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:00:52,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:00:52,452 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:52,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash -728287547, now seen corresponding path program 1 times [2023-04-03 01:00:52,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:52,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620867480] [2023-04-03 01:00:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:52,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:52,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620867480] [2023-04-03 01:00:52,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620867480] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:52,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:52,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:00:52,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829663059] [2023-04-03 01:00:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:52,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:52,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:52,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:52,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:52,638 INFO L87 Difference]: Start difference. First operand 177 states and 198 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:00:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:52,701 INFO L93 Difference]: Finished difference Result 329 states and 391 transitions. [2023-04-03 01:00:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:52,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2023-04-03 01:00:52,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:52,706 INFO L225 Difference]: With dead ends: 329 [2023-04-03 01:00:52,707 INFO L226 Difference]: Without dead ends: 326 [2023-04-03 01:00:52,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:00:52,711 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:52,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-04-03 01:00:52,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2023-04-03 01:00:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 179 states have (on average 1.1843575418994414) internal successors, (212), 196 states have internal predecessors, (212), 72 states have call successors, (72), 68 states have call predecessors, (72), 74 states have return successors, (102), 74 states have call predecessors, (102), 68 states have call successors, (102) [2023-04-03 01:00:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 386 transitions. [2023-04-03 01:00:52,768 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 386 transitions. Word has length 72 [2023-04-03 01:00:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:52,768 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 386 transitions. [2023-04-03 01:00:52,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-03 01:00:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 386 transitions. [2023-04-03 01:00:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 01:00:52,772 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:52,772 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-03 01:00:52,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:00:52,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:52,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:52,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1957367288, now seen corresponding path program 1 times [2023-04-03 01:00:52,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:52,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8277313] [2023-04-03 01:00:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 01:00:53,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:53,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8277313] [2023-04-03 01:00:53,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8277313] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:53,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388019416] [2023-04-03 01:00:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:53,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:53,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:00:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:53,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-03 01:00:53,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:00:53,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:53,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388019416] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:53,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:53,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2023-04-03 01:00:53,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659565803] [2023-04-03 01:00:53,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:53,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:53,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:53,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:53,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:00:53,400 INFO L87 Difference]: Start difference. First operand 326 states and 386 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 01:00:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:53,558 INFO L93 Difference]: Finished difference Result 607 states and 727 transitions. [2023-04-03 01:00:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:00:53,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 121 [2023-04-03 01:00:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:53,561 INFO L225 Difference]: With dead ends: 607 [2023-04-03 01:00:53,561 INFO L226 Difference]: Without dead ends: 306 [2023-04-03 01:00:53,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:00:53,563 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:53,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 486 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-04-03 01:00:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2023-04-03 01:00:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 156 states have (on average 1.1666666666666667) internal successors, (182), 171 states have internal predecessors, (182), 64 states have call successors, (64), 61 states have call predecessors, (64), 66 states have return successors, (82), 64 states have call predecessors, (82), 60 states have call successors, (82) [2023-04-03 01:00:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 328 transitions. [2023-04-03 01:00:53,601 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 328 transitions. Word has length 121 [2023-04-03 01:00:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:53,602 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 328 transitions. [2023-04-03 01:00:53,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 01:00:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 328 transitions. [2023-04-03 01:00:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 01:00:53,604 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:53,604 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-03 01:00:53,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:00:53,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 01:00:53,811 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:53,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:53,811 INFO L85 PathProgramCache]: Analyzing trace with hash 216773576, now seen corresponding path program 1 times [2023-04-03 01:00:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:53,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22246110] [2023-04-03 01:00:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:53,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 01:00:53,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:53,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22246110] [2023-04-03 01:00:53,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22246110] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:53,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267367258] [2023-04-03 01:00:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:53,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:53,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:53,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:53,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:00:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:54,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 01:00:54,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:54,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:54,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267367258] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:54,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:54,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-03 01:00:54,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886870320] [2023-04-03 01:00:54,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:54,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:00:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:00:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:00:54,181 INFO L87 Difference]: Start difference. First operand 287 states and 328 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 01:00:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:54,250 INFO L93 Difference]: Finished difference Result 506 states and 582 transitions. [2023-04-03 01:00:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:00:54,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 121 [2023-04-03 01:00:54,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:54,254 INFO L225 Difference]: With dead ends: 506 [2023-04-03 01:00:54,254 INFO L226 Difference]: Without dead ends: 244 [2023-04-03 01:00:54,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:00:54,256 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 42 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:54,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 197 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:00:54,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-04-03 01:00:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2023-04-03 01:00:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 132 states have (on average 1.1515151515151516) internal successors, (152), 146 states have internal predecessors, (152), 55 states have call successors, (55), 52 states have call predecessors, (55), 56 states have return successors, (64), 55 states have call predecessors, (64), 51 states have call successors, (64) [2023-04-03 01:00:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 271 transitions. [2023-04-03 01:00:54,282 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 271 transitions. Word has length 121 [2023-04-03 01:00:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:54,283 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 271 transitions. [2023-04-03 01:00:54,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 01:00:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 271 transitions. [2023-04-03 01:00:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 01:00:54,287 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:54,287 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, 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] [2023-04-03 01:00:54,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:00:54,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 01:00:54,492 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:54,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1196488777, now seen corresponding path program 1 times [2023-04-03 01:00:54,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:54,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059453495] [2023-04-03 01:00:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:54,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 01:00:54,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059453495] [2023-04-03 01:00:54,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059453495] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496313966] [2023-04-03 01:00:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:54,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:54,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:00:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:55,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 33 conjunts are in the unsatisfiable core [2023-04-03 01:00:55,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:00:55,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:55,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496313966] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:55,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:55,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2023-04-03 01:00:55,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740486022] [2023-04-03 01:00:55,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:55,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:00:55,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:55,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:00:55,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2023-04-03 01:00:55,462 INFO L87 Difference]: Start difference. First operand 244 states and 271 transitions. Second operand has 14 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 6 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2023-04-03 01:00:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:56,401 INFO L93 Difference]: Finished difference Result 560 states and 649 transitions. [2023-04-03 01:00:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-03 01:00:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 6 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) Word has length 124 [2023-04-03 01:00:56,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:56,405 INFO L225 Difference]: With dead ends: 560 [2023-04-03 01:00:56,405 INFO L226 Difference]: Without dead ends: 341 [2023-04-03 01:00:56,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=1444, Unknown=0, NotChecked=0, Total=1640 [2023-04-03 01:00:56,409 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 171 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:56,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 289 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:00:56,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-04-03 01:00:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 288. [2023-04-03 01:00:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 160 states have (on average 1.15) internal successors, (184), 175 states have internal predecessors, (184), 64 states have call successors, (64), 62 states have call predecessors, (64), 63 states have return successors, (73), 62 states have call predecessors, (73), 60 states have call successors, (73) [2023-04-03 01:00:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 321 transitions. [2023-04-03 01:00:56,436 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 321 transitions. Word has length 124 [2023-04-03 01:00:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:56,436 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 321 transitions. [2023-04-03 01:00:56,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 6 states have call successors, (29), 5 states have call predecessors, (29), 7 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2023-04-03 01:00:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 321 transitions. [2023-04-03 01:00:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 01:00:56,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:56,442 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, 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] [2023-04-03 01:00:56,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:00:56,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:56,649 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:56,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:56,650 INFO L85 PathProgramCache]: Analyzing trace with hash 349489048, now seen corresponding path program 1 times [2023-04-03 01:00:56,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:56,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673940075] [2023-04-03 01:00:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 01:00:56,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:56,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673940075] [2023-04-03 01:00:56,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673940075] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:56,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801933729] [2023-04-03 01:00:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:56,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:56,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:56,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:00:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:56,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:00:56,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-03 01:00:57,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:00:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 01:00:57,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801933729] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:57,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:00:57,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 6] total 15 [2023-04-03 01:00:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457420772] [2023-04-03 01:00:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:57,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:00:57,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:57,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:00:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-04-03 01:00:57,361 INFO L87 Difference]: Start difference. First operand 288 states and 321 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 01:00:57,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:57,513 INFO L93 Difference]: Finished difference Result 729 states and 828 transitions. [2023-04-03 01:00:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:00:57,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 127 [2023-04-03 01:00:57,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:57,517 INFO L225 Difference]: With dead ends: 729 [2023-04-03 01:00:57,517 INFO L226 Difference]: Without dead ends: 466 [2023-04-03 01:00:57,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:57,519 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 72 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:57,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 420 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:00:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-04-03 01:00:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 449. [2023-04-03 01:00:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 254 states have (on average 1.1377952755905512) internal successors, (289), 275 states have internal predecessors, (289), 97 states have call successors, (97), 94 states have call predecessors, (97), 97 states have return successors, (111), 96 states have call predecessors, (111), 93 states have call successors, (111) [2023-04-03 01:00:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 497 transitions. [2023-04-03 01:00:57,558 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 497 transitions. Word has length 127 [2023-04-03 01:00:57,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:57,559 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 497 transitions. [2023-04-03 01:00:57,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 01:00:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 497 transitions. [2023-04-03 01:00:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 01:00:57,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:57,561 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, 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, 1] [2023-04-03 01:00:57,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:00:57,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:57,773 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:57,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:57,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1265593953, now seen corresponding path program 1 times [2023-04-03 01:00:57,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:57,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528610024] [2023-04-03 01:00:57,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:57,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 01:00:58,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528610024] [2023-04-03 01:00:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528610024] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:00:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799958941] [2023-04-03 01:00:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:00:58,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:00:58,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:00:58,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 01:00:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:58,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-03 01:00:58,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:00:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:00:58,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:00:58,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799958941] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:58,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:00:58,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 20 [2023-04-03 01:00:58,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356177325] [2023-04-03 01:00:58,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:58,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-03 01:00:58,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-03 01:00:58,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:00:58,346 INFO L87 Difference]: Start difference. First operand 449 states and 497 transitions. Second operand has 11 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 01:00:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:58,704 INFO L93 Difference]: Finished difference Result 892 states and 1022 transitions. [2023-04-03 01:00:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-03 01:00:58,704 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) Word has length 130 [2023-04-03 01:00:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:58,708 INFO L225 Difference]: With dead ends: 892 [2023-04-03 01:00:58,708 INFO L226 Difference]: Without dead ends: 629 [2023-04-03 01:00:58,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-04-03 01:00:58,709 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 53 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:58,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1198 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:00:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-04-03 01:00:58,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 595. [2023-04-03 01:00:58,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 340 states have (on average 1.1323529411764706) internal successors, (385), 366 states have internal predecessors, (385), 126 states have call successors, (126), 123 states have call predecessors, (126), 128 states have return successors, (157), 126 states have call predecessors, (157), 122 states have call successors, (157) [2023-04-03 01:00:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 668 transitions. [2023-04-03 01:00:58,757 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 668 transitions. Word has length 130 [2023-04-03 01:00:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:58,758 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 668 transitions. [2023-04-03 01:00:58,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 01:00:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 668 transitions. [2023-04-03 01:00:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 01:00:58,761 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:00:58,761 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, 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] [2023-04-03 01:00:58,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-03 01:00:58,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-03 01:00:58,968 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:00:58,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:00:58,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2077586484, now seen corresponding path program 1 times [2023-04-03 01:00:58,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:00:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911917583] [2023-04-03 01:00:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:00:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:00:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:00:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-03 01:00:59,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:00:59,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911917583] [2023-04-03 01:00:59,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911917583] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:00:59,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:00:59,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:00:59,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436527605] [2023-04-03 01:00:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:00:59,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:00:59,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:00:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:00:59,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:00:59,181 INFO L87 Difference]: Start difference. First operand 595 states and 668 transitions. Second operand has 10 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 01:00:59,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:00:59,504 INFO L93 Difference]: Finished difference Result 1162 states and 1324 transitions. [2023-04-03 01:00:59,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:00:59,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) Word has length 133 [2023-04-03 01:00:59,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:00:59,505 INFO L225 Difference]: With dead ends: 1162 [2023-04-03 01:00:59,506 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:00:59,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-03 01:00:59,508 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:00:59,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 577 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:00:59,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:00:59,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:00:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:00:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:00:59,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2023-04-03 01:00:59,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:00:59,510 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:00:59,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-03 01:00:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:00:59,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:00:59,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:00:59,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 01:00:59,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 692) no Hoare annotation was computed. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point L693(lines 670 694) no Hoare annotation was computed. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 646 701) no Hoare annotation was computed. [2023-04-03 01:01:02,689 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 646 701) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 681) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 738) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 753) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 702 761) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L754(lines 727 755) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L747(line 747) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point L747-1(line 747) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 702 761) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 702 761) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 128 136) no Hoare annotation was computed. [2023-04-03 01:01:02,690 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 128 136) the Hoare annotation is: true [2023-04-03 01:01:02,691 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,691 INFO L895 garLoopResultBuilder]: At program point L481-1(line 481) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,691 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 475 497) no Hoare annotation was computed. [2023-04-03 01:01:02,691 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 475 497) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,691 INFO L895 garLoopResultBuilder]: At program point L487(line 487) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~5 1)) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,692 INFO L895 garLoopResultBuilder]: At program point L487-1(line 487) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~5 1)) (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 492) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 485 492) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L895 garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 433 456) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-03 01:01:02,692 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 433 456) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 433 456) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L451(line 451) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-03 01:01:02,693 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 114 120) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 114 120) the Hoare annotation is: true [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 913 958) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 913 958) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 579 592) the Hoare annotation is: true [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 579 592) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 207 231) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2023-04-03 01:01:02,694 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse1))) [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2023-04-03 01:01:02,694 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 207 231) no Hoare annotation was computed. [2023-04-03 01:01:02,695 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1)))) [2023-04-03 01:01:02,695 INFO L899 garLoopResultBuilder]: For program point L213-1(line 213) no Hoare annotation was computed. [2023-04-03 01:01:02,695 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2023-04-03 01:01:02,695 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 207 231) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1)))) [2023-04-03 01:01:02,695 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (< |old(~pumpRunning~0)| 1)))) [2023-04-03 01:01:02,695 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 173 179) no Hoare annotation was computed. [2023-04-03 01:01:02,695 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 173 179) the Hoare annotation is: true [2023-04-03 01:01:02,695 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 335 400) no Hoare annotation was computed. [2023-04-03 01:01:02,695 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 400) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,696 INFO L895 garLoopResultBuilder]: At program point L393(lines 344 394) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,696 INFO L895 garLoopResultBuilder]: At program point L383-2(lines 375 388) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1))) [2023-04-03 01:01:02,696 INFO L899 garLoopResultBuilder]: For program point L346(lines 345 392) no Hoare annotation was computed. [2023-04-03 01:01:02,696 INFO L895 garLoopResultBuilder]: At program point L377(line 377) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1))) [2023-04-03 01:01:02,696 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 388) no Hoare annotation was computed. [2023-04-03 01:01:02,696 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (and .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:01:02,696 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2023-04-03 01:01:02,696 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2023-04-03 01:01:02,697 INFO L895 garLoopResultBuilder]: At program point L390(lines 345 392) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (and .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:01:02,697 INFO L895 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (and .cse3 .cse0 .cse1 .cse2))) [2023-04-03 01:01:02,697 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 361) no Hoare annotation was computed. [2023-04-03 01:01:02,697 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 335 400) no Hoare annotation was computed. [2023-04-03 01:01:02,697 INFO L899 garLoopResultBuilder]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2023-04-03 01:01:02,697 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~pumpRunning~0 0)) .cse1) (or .cse0 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse1 (< ~waterLevel~0 2)))) [2023-04-03 01:01:02,697 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2023-04-03 01:01:02,697 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2023-04-03 01:01:02,698 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~pumpRunning~0 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= __utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (and .cse1 .cse2)) (or .cse3 .cse0 .cse1) (or .cse3 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (and (= ~methAndRunningLastTime~0 0) .cse2) (< ~waterLevel~0 2)))) [2023-04-03 01:01:02,698 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-04-03 01:01:02,698 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2023-04-03 01:01:02,703 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 70 98) no Hoare annotation was computed. [2023-04-03 01:01:02,703 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:02,703 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-04-03 01:01:02,703 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 98) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2023-04-03 01:01:02,703 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 70 98) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 69) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 62 69) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 547 569) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 547 569) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 232 239) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2) (not (= ~methAndRunningLastTime~0 0))) [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 304 322) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 304 322) the Hoare annotation is: true [2023-04-03 01:01:02,704 INFO L902 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: true [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 570 578) no Hoare annotation was computed. [2023-04-03 01:01:02,704 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 570 578) no Hoare annotation was computed. [2023-04-03 01:01:02,705 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 546) the Hoare annotation is: true [2023-04-03 01:01:02,705 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 538 546) no Hoare annotation was computed. [2023-04-03 01:01:02,705 INFO L895 garLoopResultBuilder]: At program point L160(lines 160 166) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0))) (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (not .cse9)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 (and .cse2 .cse3) (not .cse4) .cse5) (or .cse6 (and (<= 1 ~pumpRunning~0) .cse3 (<= 2 ~waterLevel~0) .cse7) .cse0 .cse1 (and .cse8 (<= ~waterLevel~0 1) .cse7)) (or .cse4 .cse1 (and .cse6 .cse8 .cse9) .cse5) (or .cse1 (and .cse6 .cse8 .cse9 .cse7) (and .cse2 .cse7) .cse5)))) [2023-04-03 01:01:02,705 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse0) (or .cse2 (= ~methAndRunningLastTime~0 0) .cse0 .cse1))) [2023-04-03 01:01:02,705 INFO L899 garLoopResultBuilder]: For program point L153(lines 152 171) no Hoare annotation was computed. [2023-04-03 01:01:02,705 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 149 172) no Hoare annotation was computed. [2023-04-03 01:01:02,705 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 172) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse0 (and (= ~pumpRunning~0 0) .cse4 .cse1)) (or .cse3 .cse4 .cse0 .cse2))) [2023-04-03 01:01:02,705 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 149 172) no Hoare annotation was computed. [2023-04-03 01:01:02,705 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse0 (and (= ~pumpRunning~0 0) .cse4 .cse1)) (or .cse3 .cse4 .cse0 .cse2))) [2023-04-03 01:01:02,706 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2023-04-03 01:01:02,706 INFO L902 garLoopResultBuilder]: At program point L417-1(lines 417 421) the Hoare annotation is: true [2023-04-03 01:01:02,706 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 403 432) no Hoare annotation was computed. [2023-04-03 01:01:02,707 INFO L902 garLoopResultBuilder]: At program point L413-2(lines 413 427) the Hoare annotation is: true [2023-04-03 01:01:02,707 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2023-04-03 01:01:02,707 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-04-03 01:01:02,707 INFO L902 garLoopResultBuilder]: At program point L428(lines 403 432) the Hoare annotation is: true [2023-04-03 01:01:02,707 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 403 432) the Hoare annotation is: true [2023-04-03 01:01:02,707 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2023-04-03 01:01:02,707 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 502 513) no Hoare annotation was computed. [2023-04-03 01:01:02,708 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 502 513) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) [2023-04-03 01:01:02,708 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 323 330) no Hoare annotation was computed. [2023-04-03 01:01:02,708 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 323 330) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2023-04-03 01:01:02,708 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse1 .cse0 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) .cse2) (or .cse1 .cse0 (< 1 ~waterLevel~0) .cse2))) [2023-04-03 01:01:02,708 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 197) no Hoare annotation was computed. [2023-04-03 01:01:02,708 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 181 205) no Hoare annotation was computed. [2023-04-03 01:01:02,708 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)))) [2023-04-03 01:01:02,709 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-04-03 01:01:02,709 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 202) no Hoare annotation was computed. [2023-04-03 01:01:02,709 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 181 205) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2023-04-03 01:01:02,709 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2023-04-03 01:01:02,709 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 181 205) no Hoare annotation was computed. [2023-04-03 01:01:02,709 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0) (<= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)))) [2023-04-03 01:01:02,709 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 514 525) no Hoare annotation was computed. [2023-04-03 01:01:02,709 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 514 525) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~pumpRunning~0 0)) .cse1 .cse2 .cse3) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2023-04-03 01:01:02,709 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 01:01:02,710 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 01:01:02,710 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 01:01:02,710 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 121 127) the Hoare annotation is: true [2023-04-03 01:01:02,710 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 121 127) no Hoare annotation was computed. [2023-04-03 01:01:02,710 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 259 267) no Hoare annotation was computed. [2023-04-03 01:01:02,710 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 259 267) the Hoare annotation is: true [2023-04-03 01:01:02,710 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 268 303) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 268 303) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 600 645) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 600 645) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 464 474) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 464 474) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,712 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 464 474) no Hoare annotation was computed. [2023-04-03 01:01:02,712 INFO L895 garLoopResultBuilder]: At program point L469(line 469) the Hoare annotation is: (or (< 1 |old(~waterLevel~0)|) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:01:02,713 INFO L902 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: true [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point L253-1(line 253) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 248 258) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 248 258) the Hoare annotation is: true [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 240 247) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 240 247) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (< |old(~pumpRunning~0)| 1)) [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 867 912) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 867 912) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 113) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 104 113) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 809) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point L814(lines 813 833) no Hoare annotation was computed. [2023-04-03 01:01:02,713 INFO L899 garLoopResultBuilder]: For program point L845(line 845) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 851) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 764 866) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 764 866) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L829-1(line 829) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 792) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 764 866) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L813-2(lines 813 833) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point L834(lines 812 835) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|)) [2023-04-03 01:01:02,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:02,714 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 526 537) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse4 (< ~pumpRunning~0 1)) (.cse0 (not .cse5)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 (not .cse1)) (or .cse4 .cse0 .cse1 .cse2 .cse3)))) [2023-04-03 01:01:02,715 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 526 537) no Hoare annotation was computed. [2023-04-03 01:01:02,715 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:02,715 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:01:02,716 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 457 463) no Hoare annotation was computed. [2023-04-03 01:01:02,716 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 457 463) the Hoare annotation is: true [2023-04-03 01:01:02,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:01:02,716 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2023-04-03 01:01:02,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:01:02,716 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:01:02,727 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:01:02,728 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:01:02,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:01:02 BoogieIcfgContainer [2023-04-03 01:01:02,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:01:02,748 INFO L158 Benchmark]: Toolchain (without parser) took 13456.26ms. Allocated memory was 223.3MB in the beginning and 323.0MB in the end (delta: 99.6MB). Free memory was 171.0MB in the beginning and 190.7MB in the end (delta: -19.6MB). Peak memory consumption was 146.6MB. Max. memory is 8.0GB. [2023-04-03 01:01:02,748 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 130.0MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:01:02,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.88ms. Allocated memory is still 223.3MB. Free memory was 171.0MB in the beginning and 152.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-03 01:01:02,749 INFO L158 Benchmark]: Boogie Preprocessor took 69.53ms. Allocated memory is still 223.3MB. Free memory was 152.7MB in the beginning and 149.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 01:01:02,749 INFO L158 Benchmark]: RCFGBuilder took 925.35ms. Allocated memory is still 223.3MB. Free memory was 149.0MB in the beginning and 167.6MB in the end (delta: -18.6MB). Peak memory consumption was 47.5MB. Max. memory is 8.0GB. [2023-04-03 01:01:02,750 INFO L158 Benchmark]: TraceAbstraction took 12046.10ms. Allocated memory was 223.3MB in the beginning and 323.0MB in the end (delta: 99.6MB). Free memory was 167.1MB in the beginning and 190.7MB in the end (delta: -23.6MB). Peak memory consumption was 142.1MB. Max. memory is 8.0GB. [2023-04-03 01:01:02,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 130.2MB in the beginning and 130.0MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.88ms. Allocated memory is still 223.3MB. Free memory was 171.0MB in the beginning and 152.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.53ms. Allocated memory is still 223.3MB. Free memory was 152.7MB in the beginning and 149.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 925.35ms. Allocated memory is still 223.3MB. Free memory was 149.0MB in the beginning and 167.6MB in the end (delta: -18.6MB). Peak memory consumption was 47.5MB. Max. memory is 8.0GB. * TraceAbstraction took 12046.10ms. Allocated memory was 223.3MB in the beginning and 323.0MB in the end (delta: 99.6MB). Free memory was 167.1MB in the beginning and 190.7MB in the end (delta: -23.6MB). Peak memory consumption was 142.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 881 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 4089 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2956 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3231 IncrementalHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 1133 mSDtfsCounter, 3231 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 904 GetRequests, 780 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=595occurred in iteration=10, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 140 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1336 PreInvPairs, 1407 NumberOfFragments, 1617 HoareAnnotationTreeSize, 1336 FomulaSimplifications, 1344 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 11261 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1657 NumberOfCodeBlocks, 1657 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1767 ConstructedInterpolants, 0 QuantifiedInterpolants, 3230 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2495 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 442/471 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: 413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == systemActive)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && !(methaneLevelCritical == 0))) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == systemActive) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((1 < \old(waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:01:02,789 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...