./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:14:55,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:14:55,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:14:55,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:14:55,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:14:55,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:14:55,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:14:55,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:14:55,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:14:55,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:14:55,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:14:55,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:14:55,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:14:55,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:14:55,860 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:14:55,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:14:55,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:14:55,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:14:55,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:14:55,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:14:55,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:14:55,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:14:55,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:14:55,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:14:55,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:14:55,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:14:55,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:14:55,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:14:55,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:14:55,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:14:55,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:14:55,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:14:55,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:14:55,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:14:55,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:14:55,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:14:55,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:14:55,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:14:55,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:14:55,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:14:55,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:14:55,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:14:55,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc [2024-11-08 15:14:56,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:14:56,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:14:56,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:14:56,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:14:56,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:14:56,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2024-11-08 15:14:57,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:14:57,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:14:57,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2024-11-08 15:14:57,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17770ecd0/c74a33a8bb9140feb27ca21420846c59/FLAG79cb775a8 [2024-11-08 15:14:58,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17770ecd0/c74a33a8bb9140feb27ca21420846c59 [2024-11-08 15:14:58,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:14:58,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:14:58,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:14:58,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:14:58,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:14:58,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4782042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58, skipping insertion in model container [2024-11-08 15:14:58,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:14:58,584 WARN L250 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_spec3_product28.cil.c[8048,8061] [2024-11-08 15:14:58,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:14:58,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:14:58,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-08 15:14:58,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-11-08 15:14:58,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] [2024-11-08 15:14:58,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] [2024-11-08 15:14:58,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] [2024-11-08 15:14:58,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] [2024-11-08 15:14:58,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] [2024-11-08 15:14:58,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2024-11-08 15:14:58,695 WARN L250 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_spec3_product28.cil.c[8048,8061] [2024-11-08 15:14:58,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:14:58,755 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:14:58,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58 WrapperNode [2024-11-08 15:14:58,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:14:58,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:14:58,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:14:58,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:14:58,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,798 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 178 [2024-11-08 15:14:58,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:14:58,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:14:58,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:14:58,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:14:58,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,824 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:14:58,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:14:58,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:14:58,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:14:58,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:14:58,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (1/1) ... [2024-11-08 15:14:58,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:14:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:14:58,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:14:58,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:14:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:14:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:14:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:14:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:14:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:14:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 15:14:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 15:14:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:14:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:14:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:14:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:14:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:14:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:14:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:14:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:14:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:14:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:14:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:14:59,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:14:59,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:14:59,249 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-08 15:14:59,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:14:59,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:14:59,266 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:14:59,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:14:59 BoogieIcfgContainer [2024-11-08 15:14:59,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:14:59,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:14:59,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:14:59,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:14:59,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:14:58" (1/3) ... [2024-11-08 15:14:59,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8bc0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:14:59, skipping insertion in model container [2024-11-08 15:14:59,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:14:58" (2/3) ... [2024-11-08 15:14:59,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8bc0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:14:59, skipping insertion in model container [2024-11-08 15:14:59,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:14:59" (3/3) ... [2024-11-08 15:14:59,276 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2024-11-08 15:14:59,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:14:59,296 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:14:59,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:14:59,382 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6635ad23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:14:59,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:14:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 15:14:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 15:14:59,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:14:59,401 INFO L215 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] [2024-11-08 15:14:59,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:14:59,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:14:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1897551925, now seen corresponding path program 1 times [2024-11-08 15:14:59,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:14:59,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457261896] [2024-11-08 15:14:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:14:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:14:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 15:14:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:14:59,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:14:59,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457261896] [2024-11-08 15:14:59,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457261896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:14:59,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:14:59,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:14:59,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784370142] [2024-11-08 15:14:59,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:14:59,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:14:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:14:59,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:14:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:14:59,654 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:14:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:14:59,675 INFO L93 Difference]: Finished difference Result 158 states and 213 transitions. [2024-11-08 15:14:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:14:59,678 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-08 15:14:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:14:59,685 INFO L225 Difference]: With dead ends: 158 [2024-11-08 15:14:59,685 INFO L226 Difference]: Without dead ends: 74 [2024-11-08 15:14:59,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:14:59,690 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:14:59,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:14:59,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-08 15:14:59,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-08 15:14:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 62 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 15:14:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2024-11-08 15:14:59,723 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 25 [2024-11-08 15:14:59,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:14:59,724 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2024-11-08 15:14:59,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:14:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-11-08 15:14:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 15:14:59,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:14:59,726 INFO L215 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] [2024-11-08 15:14:59,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:14:59,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:14:59,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:14:59,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1762188487, now seen corresponding path program 1 times [2024-11-08 15:14:59,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:14:59,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389027429] [2024-11-08 15:14:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:14:59,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:14:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 15:14:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:14:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:14:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389027429] [2024-11-08 15:14:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389027429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:14:59,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:14:59,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:14:59,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39933394] [2024-11-08 15:14:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:14:59,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:14:59,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:14:59,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:14:59,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:14:59,819 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:14:59,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:14:59,832 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2024-11-08 15:14:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:14:59,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-08 15:14:59,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:14:59,834 INFO L225 Difference]: With dead ends: 109 [2024-11-08 15:14:59,834 INFO L226 Difference]: Without dead ends: 65 [2024-11-08 15:14:59,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:14:59,835 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:14:59,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:14:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-08 15:14:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-08 15:14:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 15:14:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-08 15:14:59,844 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 26 [2024-11-08 15:14:59,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:14:59,844 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-08 15:14:59,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:14:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-08 15:14:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 15:14:59,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:14:59,846 INFO L215 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] [2024-11-08 15:14:59,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:14:59,847 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:14:59,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:14:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash -731728748, now seen corresponding path program 1 times [2024-11-08 15:14:59,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:14:59,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387347744] [2024-11-08 15:14:59,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:14:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:14:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:14:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:14:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:14:59,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:14:59,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387347744] [2024-11-08 15:14:59,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387347744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:14:59,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:14:59,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:14:59,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427124692] [2024-11-08 15:14:59,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:14:59,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:14:59,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:14:59,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:14:59,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:14:59,996 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:15:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:15:00,091 INFO L93 Difference]: Finished difference Result 167 states and 215 transitions. [2024-11-08 15:15:00,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:15:00,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-08 15:15:00,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:15:00,105 INFO L225 Difference]: With dead ends: 167 [2024-11-08 15:15:00,105 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 15:15:00,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:15:00,108 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 75 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:15:00,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 342 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:15:00,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 15:15:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2024-11-08 15:15:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 81 states have (on average 1.345679012345679) internal successors, (109), 90 states have internal predecessors, (109), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-08 15:15:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2024-11-08 15:15:00,144 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 31 [2024-11-08 15:15:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:15:00,144 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2024-11-08 15:15:00,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:15:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2024-11-08 15:15:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 15:15:00,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:15:00,147 INFO L215 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] [2024-11-08 15:15:00,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:15:00,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:15:00,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:15:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1906421771, now seen corresponding path program 1 times [2024-11-08 15:15:00,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:15:00,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389542096] [2024-11-08 15:15:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:15:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:15:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:15:00,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 15:15:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:15:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:15:00,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:15:00,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389542096] [2024-11-08 15:15:00,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389542096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:15:00,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:15:00,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:15:00,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466903638] [2024-11-08 15:15:00,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:15:00,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:15:00,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:15:00,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:15:00,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:15:00,432 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:15:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:15:00,514 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2024-11-08 15:15:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:15:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-08 15:15:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:15:00,518 INFO L225 Difference]: With dead ends: 292 [2024-11-08 15:15:00,518 INFO L226 Difference]: Without dead ends: 193 [2024-11-08 15:15:00,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:15:00,522 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 45 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:15:00,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 294 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:15:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-08 15:15:00,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-08 15:15:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 161 states have internal predecessors, (194), 26 states have call successors, (26), 22 states have call predecessors, (26), 20 states have return successors, (31), 18 states have call predecessors, (31), 26 states have call successors, (31) [2024-11-08 15:15:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 251 transitions. [2024-11-08 15:15:00,553 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 251 transitions. Word has length 34 [2024-11-08 15:15:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:15:00,553 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 251 transitions. [2024-11-08 15:15:00,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:15:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 251 transitions. [2024-11-08 15:15:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 15:15:00,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:15:00,557 INFO L215 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] [2024-11-08 15:15:00,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:15:00,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:15:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:15:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1985544869, now seen corresponding path program 1 times [2024-11-08 15:15:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:15:00,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927817819] [2024-11-08 15:15:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:15:00,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:15:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 15:15:00,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 15:15:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 15:15:00,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 15:15:00,648 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 15:15:00,649 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:15:00,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:15:00,654 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 15:15:00,697 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:15:00,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:15:00 BoogieIcfgContainer [2024-11-08 15:15:00,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:15:00,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:15:00,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:15:00,705 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:15:00,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:14:59" (3/4) ... [2024-11-08 15:15:00,707 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 15:15:00,769 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:15:00,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:15:00,769 INFO L158 Benchmark]: Toolchain (without parser) took 2501.62ms. Allocated memory is still 172.0MB. Free memory was 101.8MB in the beginning and 105.1MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:15:00,769 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:15:00,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.34ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 132.2MB in the end (delta: -30.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 172.0MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,770 INFO L158 Benchmark]: Boogie Preprocessor took 35.30ms. Allocated memory is still 172.0MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,770 INFO L158 Benchmark]: RCFGBuilder took 432.15ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 110.4MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,771 INFO L158 Benchmark]: TraceAbstraction took 1431.14ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 109.3MB in the end (delta: 475.2kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,771 INFO L158 Benchmark]: Witness Printer took 67.97ms. Allocated memory is still 172.0MB. Free memory was 109.3MB in the beginning and 105.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 15:15:00,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.34ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 132.2MB in the end (delta: -30.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 172.0MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.30ms. Allocated memory is still 172.0MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.15ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 110.4MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1431.14ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 109.3MB in the end (delta: 475.2kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 67.97ms. Allocated memory is still 172.0MB. Free memory was 109.3MB in the beginning and 105.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] - GenericResultAtLocation [Line: 364]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] - GenericResultAtLocation [Line: 550]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] - GenericResultAtLocation [Line: 559]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * 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 - CounterExampleResult [Line: 555]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L366] int waterLevel = 1; [L367] int methaneLevelCritical = 0; [L455] int cleanupTimeShifts = 4; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] RET, EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L306] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L308] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L314] tmp = __VERIFIER_nondet_int() [L316] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L318] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L384] COND TRUE waterLevel < 2 [L385] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___2)) [L342] tmp___1 = __VERIFIER_nondet_int() [L344] COND TRUE \read(tmp___1) [L346] CALL stopSystem() [L273] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L346] RET stopSystem() [L353] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L114] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L122] CALL __utac_acc__Specification3_spec__1() [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L405] int retValue_acc ; [L408] retValue_acc = methaneLevelCritical [L409] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] tmp = isMethaneLevelCritical() [L569] COND FALSE !(\read(tmp)) [L573] CALL, EXPR getWaterLevel() [L437] int retValue_acc ; [L440] retValue_acc = waterLevel [L441] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] RET, EXPR getWaterLevel() [L573] tmp___0 = getWaterLevel() [L575] COND TRUE tmp___0 == 2 [L577] CALL, EXPR isPumpRunning() [L206] int retValue_acc ; [L209] retValue_acc = pumpRunning [L210] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L577] RET, EXPR isPumpRunning() [L577] tmp___1 = isPumpRunning() [L579] COND FALSE !(\read(tmp___1)) [L583] CALL __automaton_fail() [L555] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 879 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 357 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-08 15:15:00,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE