./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_spec1_product39.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 1a60868809a0ad0cb359a526a1f66a469756e048a31d4d83c9a3de774ac0575c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:52:18,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:52:19,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:52:19,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:52:19,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:52:19,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:52:19,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:52:19,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:52:19,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:52:19,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:52:19,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:52:19,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:52:19,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:52:19,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:52:19,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:52:19,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:52:19,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:52:19,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:52:19,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:52:19,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:52:19,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:52:19,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:52:19,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:52:19,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:52:19,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:52:19,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:52:19,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:52:19,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:52:19,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:52:19,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:52:19,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:52:19,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:52:19,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:52:19,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:52:19,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:52:19,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:52:19,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a60868809a0ad0cb359a526a1f66a469756e048a31d4d83c9a3de774ac0575c [2024-11-11 20:52:19,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:52:19,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:52:19,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:52:19,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:52:19,346 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:52:19,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2024-11-11 20:52:20,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:52:20,854 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:52:20,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2024-11-11 20:52:20,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a375214/8d8f733a6aed405498e530daa09ead37/FLAG3d931f1e2 [2024-11-11 20:52:20,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a375214/8d8f733a6aed405498e530daa09ead37 [2024-11-11 20:52:20,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:52:20,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:52:20,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:52:20,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:52:20,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:52:20,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:52:20" (1/1) ... [2024-11-11 20:52:20,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd38cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:20, skipping insertion in model container [2024-11-11 20:52:20,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:52:20" (1/1) ... [2024-11-11 20:52:20,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:52:21,232 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_spec1_product39.cil.c[11731,11744] [2024-11-11 20:52:21,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:52:21,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:52:21,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-11 20:52:21,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] [2024-11-11 20:52:21,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-11 20:52:21,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-11 20:52:21,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] [2024-11-11 20:52:21,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [623] [2024-11-11 20:52:21,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [819] [2024-11-11 20:52:21,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [857] [2024-11-11 20:52:21,306 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_spec1_product39.cil.c[11731,11744] [2024-11-11 20:52:21,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:52:21,348 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:52:21,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21 WrapperNode [2024-11-11 20:52:21,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:52:21,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:52:21,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:52:21,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:52:21,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,386 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 189 [2024-11-11 20:52:21,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:52:21,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:52:21,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:52:21,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:52:21,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,412 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]. [2024-11-11 20:52:21,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:52:21,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:52:21,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:52:21,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:52:21,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (1/1) ... [2024-11-11 20:52:21,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:52:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:52:21,467 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) [2024-11-11 20:52:21,471 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 [2024-11-11 20:52:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:52:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-11 20:52:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-11 20:52:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:52:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:52:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-11 20:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-11 20:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-11 20:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-11 20:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-11 20:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-11 20:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:52:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:52:21,591 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:52:21,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:52:21,844 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-11 20:52:21,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:52:21,862 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:52:21,863 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:52:21,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:52:21 BoogieIcfgContainer [2024-11-11 20:52:21,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:52:21,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:52:21,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:52:21,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:52:21,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:52:20" (1/3) ... [2024-11-11 20:52:21,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b091596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:52:21, skipping insertion in model container [2024-11-11 20:52:21,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:52:21" (2/3) ... [2024-11-11 20:52:21,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b091596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:52:21, skipping insertion in model container [2024-11-11 20:52:21,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:52:21" (3/3) ... [2024-11-11 20:52:21,872 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2024-11-11 20:52:21,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:52:21,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:52:21,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:52:21,943 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;@3ca99703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:52:21,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:52:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-11 20:52:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-11 20:52:21,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:21,957 INFO L218 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] [2024-11-11 20:52:21,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:21,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:21,962 INFO L85 PathProgramCache]: Analyzing trace with hash -929620248, now seen corresponding path program 1 times [2024-11-11 20:52:21,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:21,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031015921] [2024-11-11 20:52:21,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:21,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:52:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:22,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:22,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031015921] [2024-11-11 20:52:22,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031015921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:22,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:22,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:52:22,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279360878] [2024-11-11 20:52:22,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:22,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:52:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:22,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:52:22,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:52:22,163 INFO L87 Difference]: Start difference. First operand has 92 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-11 20:52:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:22,193 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2024-11-11 20:52:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:52:22,195 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-11 20:52:22,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:22,203 INFO L225 Difference]: With dead ends: 176 [2024-11-11 20:52:22,203 INFO L226 Difference]: Without dead ends: 83 [2024-11-11 20:52:22,207 INFO L434 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 [2024-11-11 20:52:22,209 INFO L435 NwaCegarLoop]: 116 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, 116 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 [2024-11-11 20:52:22,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:52:22,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-11 20:52:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-11 20:52:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-11 20:52:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-11-11 20:52:22,247 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2024-11-11 20:52:22,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:22,248 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-11-11 20:52:22,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-11 20:52:22,251 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-11-11 20:52:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-11 20:52:22,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:22,253 INFO L218 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] [2024-11-11 20:52:22,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:52:22,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:22,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:22,254 INFO L85 PathProgramCache]: Analyzing trace with hash 267832740, now seen corresponding path program 1 times [2024-11-11 20:52:22,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:22,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623192837] [2024-11-11 20:52:22,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-11 20:52:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:22,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:22,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623192837] [2024-11-11 20:52:22,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623192837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:22,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:22,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:52:22,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089332105] [2024-11-11 20:52:22,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:22,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:52:22,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:22,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:52:22,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:52:22,355 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-11 20:52:22,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:22,369 INFO L93 Difference]: Finished difference Result 128 states and 164 transitions. [2024-11-11 20:52:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:52:22,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2024-11-11 20:52:22,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:22,376 INFO L225 Difference]: With dead ends: 128 [2024-11-11 20:52:22,376 INFO L226 Difference]: Without dead ends: 74 [2024-11-11 20:52:22,377 INFO L434 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 [2024-11-11 20:52:22,378 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 16 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 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 [2024-11-11 20:52:22,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:52:22,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-11 20:52:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-11 20:52:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-11 20:52:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-11-11 20:52:22,400 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2024-11-11 20:52:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:22,400 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-11-11 20:52:22,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-11 20:52:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-11-11 20:52:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-11 20:52:22,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:22,402 INFO L218 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] [2024-11-11 20:52:22,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:52:22,402 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:22,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:22,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1921198566, now seen corresponding path program 1 times [2024-11-11 20:52:22,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:22,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100331792] [2024-11-11 20:52:22,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:22,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:52:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:22,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:22,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100331792] [2024-11-11 20:52:22,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100331792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:22,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:22,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:52:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268200456] [2024-11-11 20:52:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:22,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:52:22,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:22,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:52:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:52:22,587 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-11 20:52:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:22,793 INFO L93 Difference]: Finished difference Result 249 states and 326 transitions. [2024-11-11 20:52:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:52:22,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2024-11-11 20:52:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:22,797 INFO L225 Difference]: With dead ends: 249 [2024-11-11 20:52:22,798 INFO L226 Difference]: Without dead ends: 182 [2024-11-11 20:52:22,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-11 20:52:22,799 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 219 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:22,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 377 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:52:22,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-11 20:52:22,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2024-11-11 20:52:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 147 states have internal predecessors, (175), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-11 20:52:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2024-11-11 20:52:22,824 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 230 transitions. Word has length 28 [2024-11-11 20:52:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:22,825 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 230 transitions. [2024-11-11 20:52:22,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-11 20:52:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 230 transitions. [2024-11-11 20:52:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-11 20:52:22,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:22,827 INFO L218 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] [2024-11-11 20:52:22,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:52:22,827 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:22,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2070226864, now seen corresponding path program 1 times [2024-11-11 20:52:22,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:22,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706655005] [2024-11-11 20:52:22,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 20:52:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:22,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:22,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706655005] [2024-11-11 20:52:22,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706655005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:22,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:22,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:52:22,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293467985] [2024-11-11 20:52:22,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:22,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:52:22,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:22,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:52:22,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:52:22,931 INFO L87 Difference]: Start difference. First operand 176 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-11 20:52:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:23,013 INFO L93 Difference]: Finished difference Result 421 states and 565 transitions. [2024-11-11 20:52:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:52:23,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2024-11-11 20:52:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:23,017 INFO L225 Difference]: With dead ends: 421 [2024-11-11 20:52:23,018 INFO L226 Difference]: Without dead ends: 252 [2024-11-11 20:52:23,021 INFO L434 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 [2024-11-11 20:52:23,022 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 48 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:23,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 333 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:52:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-11 20:52:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-11-11 20:52:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 202 states have internal predecessors, (241), 34 states have call successors, (34), 30 states have call predecessors, (34), 30 states have return successors, (44), 31 states have call predecessors, (44), 34 states have call successors, (44) [2024-11-11 20:52:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 319 transitions. [2024-11-11 20:52:23,060 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 319 transitions. Word has length 32 [2024-11-11 20:52:23,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:23,060 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 319 transitions. [2024-11-11 20:52:23,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-11 20:52:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 319 transitions. [2024-11-11 20:52:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-11 20:52:23,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:23,062 INFO L218 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] [2024-11-11 20:52:23,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:52:23,062 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:23,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash -600338947, now seen corresponding path program 1 times [2024-11-11 20:52:23,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502964288] [2024-11-11 20:52:23,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:52:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:52:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502964288] [2024-11-11 20:52:23,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502964288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:23,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:23,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:52:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255581069] [2024-11-11 20:52:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:23,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:52:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:52:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:52:23,200 INFO L87 Difference]: Start difference. First operand 250 states and 319 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:23,350 INFO L93 Difference]: Finished difference Result 545 states and 703 transitions. [2024-11-11 20:52:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:52:23,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-11 20:52:23,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:23,354 INFO L225 Difference]: With dead ends: 545 [2024-11-11 20:52:23,356 INFO L226 Difference]: Without dead ends: 302 [2024-11-11 20:52:23,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:52:23,360 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 48 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:23,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 325 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:52:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-11 20:52:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2024-11-11 20:52:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 225 states have (on average 1.2755555555555556) internal successors, (287), 242 states have internal predecessors, (287), 38 states have call successors, (38), 30 states have call predecessors, (38), 36 states have return successors, (54), 39 states have call predecessors, (54), 38 states have call successors, (54) [2024-11-11 20:52:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2024-11-11 20:52:23,401 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 42 [2024-11-11 20:52:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:23,402 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2024-11-11 20:52:23,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2024-11-11 20:52:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-11 20:52:23,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:23,406 INFO L218 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] [2024-11-11 20:52:23,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 20:52:23,406 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:23,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1700483643, now seen corresponding path program 1 times [2024-11-11 20:52:23,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:23,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381940566] [2024-11-11 20:52:23,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:52:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:52:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:23,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381940566] [2024-11-11 20:52:23,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381940566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:23,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:23,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:52:23,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502229359] [2024-11-11 20:52:23,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:23,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:52:23,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:23,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:52:23,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:52:23,470 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:23,583 INFO L93 Difference]: Finished difference Result 599 states and 776 transitions. [2024-11-11 20:52:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:52:23,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-11 20:52:23,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:23,586 INFO L225 Difference]: With dead ends: 599 [2024-11-11 20:52:23,586 INFO L226 Difference]: Without dead ends: 306 [2024-11-11 20:52:23,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:52:23,588 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 47 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:23,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 255 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:52:23,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-11 20:52:23,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2024-11-11 20:52:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 229 states have (on average 1.2707423580786026) internal successors, (291), 246 states have internal predecessors, (291), 38 states have call successors, (38), 30 states have call predecessors, (38), 36 states have return successors, (54), 39 states have call predecessors, (54), 38 states have call successors, (54) [2024-11-11 20:52:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 383 transitions. [2024-11-11 20:52:23,607 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 383 transitions. Word has length 42 [2024-11-11 20:52:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:23,608 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 383 transitions. [2024-11-11 20:52:23,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 383 transitions. [2024-11-11 20:52:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-11 20:52:23,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:23,611 INFO L218 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] [2024-11-11 20:52:23,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:52:23,611 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:23,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:23,611 INFO L85 PathProgramCache]: Analyzing trace with hash 882835193, now seen corresponding path program 1 times [2024-11-11 20:52:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:23,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069002859] [2024-11-11 20:52:23,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:52:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-11 20:52:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:23,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069002859] [2024-11-11 20:52:23,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069002859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:23,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:52:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114665229] [2024-11-11 20:52:23,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:23,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:52:23,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:23,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:52:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:52:23,688 INFO L87 Difference]: Start difference. First operand 304 states and 383 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:23,903 INFO L93 Difference]: Finished difference Result 911 states and 1197 transitions. [2024-11-11 20:52:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-11 20:52:23,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-11 20:52:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:23,907 INFO L225 Difference]: With dead ends: 911 [2024-11-11 20:52:23,908 INFO L226 Difference]: Without dead ends: 614 [2024-11-11 20:52:23,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:52:23,910 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 207 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:23,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 279 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 20:52:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-11 20:52:23,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 607. [2024-11-11 20:52:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 457 states have (on average 1.2472647702407003) internal successors, (570), 486 states have internal predecessors, (570), 77 states have call successors, (77), 71 states have call predecessors, (77), 72 states have return successors, (122), 75 states have call predecessors, (122), 77 states have call successors, (122) [2024-11-11 20:52:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 769 transitions. [2024-11-11 20:52:23,999 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 769 transitions. Word has length 42 [2024-11-11 20:52:23,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:23,999 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 769 transitions. [2024-11-11 20:52:23,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-11 20:52:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 769 transitions. [2024-11-11 20:52:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-11 20:52:24,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:24,004 INFO L218 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] [2024-11-11 20:52:24,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:52:24,005 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:24,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:24,007 INFO L85 PathProgramCache]: Analyzing trace with hash 209365535, now seen corresponding path program 1 times [2024-11-11 20:52:24,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:24,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136942637] [2024-11-11 20:52:24,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:24,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-11 20:52:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 20:52:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:52:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:52:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:52:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:52:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136942637] [2024-11-11 20:52:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136942637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:52:24,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:52:24,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 20:52:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852909002] [2024-11-11 20:52:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:52:24,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 20:52:24,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:52:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 20:52:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-11 20:52:24,159 INFO L87 Difference]: Start difference. First operand 607 states and 769 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-11 20:52:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:52:24,609 INFO L93 Difference]: Finished difference Result 2013 states and 2650 transitions. [2024-11-11 20:52:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 20:52:24,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-11 20:52:24,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:52:24,618 INFO L225 Difference]: With dead ends: 2013 [2024-11-11 20:52:24,619 INFO L226 Difference]: Without dead ends: 1413 [2024-11-11 20:52:24,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-11 20:52:24,622 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 266 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:52:24,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 360 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-11 20:52:24,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-11 20:52:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1371. [2024-11-11 20:52:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1018 states have (on average 1.2102161100196465) internal successors, (1232), 1093 states have internal predecessors, (1232), 186 states have call successors, (186), 142 states have call predecessors, (186), 166 states have return successors, (329), 186 states have call predecessors, (329), 186 states have call successors, (329) [2024-11-11 20:52:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1747 transitions. [2024-11-11 20:52:24,726 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1747 transitions. Word has length 46 [2024-11-11 20:52:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:52:24,727 INFO L471 AbstractCegarLoop]: Abstraction has 1371 states and 1747 transitions. [2024-11-11 20:52:24,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-11 20:52:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1747 transitions. [2024-11-11 20:52:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-11 20:52:24,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:52:24,729 INFO L218 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] [2024-11-11 20:52:24,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:52:24,729 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:52:24,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:52:24,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2099326365, now seen corresponding path program 1 times [2024-11-11 20:52:24,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:52:24,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336439469] [2024-11-11 20:52:24,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:52:24,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:52:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 20:52:24,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 20:52:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 20:52:24,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 20:52:24,781 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 20:52:24,783 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:52:24,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 20:52:24,786 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:52:24,834 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:52:24,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:52:24 BoogieIcfgContainer [2024-11-11 20:52:24,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:52:24,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:52:24,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:52:24,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:52:24,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:52:21" (3/4) ... [2024-11-11 20:52:24,841 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-11 20:52:24,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:52:24,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:52:24,901 INFO L158 Benchmark]: Toolchain (without parser) took 4017.78ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 116.7MB in the beginning and 124.1MB in the end (delta: -7.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,901 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:52:24,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.08ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 141.3MB in the end (delta: -24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,902 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 136.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,902 INFO L158 Benchmark]: RCFGBuilder took 432.42ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 118.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,902 INFO L158 Benchmark]: TraceAbstraction took 2974.28ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 118.3MB in the beginning and 129.4MB in the end (delta: -11.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,902 INFO L158 Benchmark]: Witness Printer took 61.51ms. Allocated memory is still 213.9MB. Free memory was 129.4MB in the beginning and 124.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 20:52:24,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.08ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 141.3MB in the end (delta: -24.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 136.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.42ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 118.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2974.28ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 118.3MB in the beginning and 129.4MB in the end (delta: -11.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 61.51ms. Allocated memory is still 213.9MB. Free memory was 129.4MB in the beginning and 124.1MB in the end (delta: 5.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [553] - GenericResultAtLocation [Line: 623]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [623] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [819] - GenericResultAtLocation [Line: 857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [857] * 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: 449]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L627] int pumpRunning = 0; [L628] int systemActive = 1; [L858] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L931] int retValue_acc ; [L932] int tmp ; [L936] FCALL select_helpers() [L937] FCALL select_features() [L938] CALL, EXPR valid_product() [L849] int retValue_acc ; [L852] retValue_acc = 1 [L853] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L938] RET, EXPR valid_product() [L938] tmp = valid_product() [L940] COND TRUE \read(tmp) [L942] FCALL setup() [L943] CALL runTest() [L925] CALL test() [L558] int splverifierCounter ; [L559] int tmp ; [L560] int tmp___0 ; [L561] int tmp___1 ; [L562] int tmp___2 ; [L565] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L567] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L569] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L575] tmp = __VERIFIER_nondet_int() [L577] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L579] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] COND TRUE waterLevel < 2 [L479] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L579] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L585] tmp___0 = __VERIFIER_nondet_int() [L587] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L589] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L490] COND FALSE !(\read(methaneLevelCritical)) [L493] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L589] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L595] tmp___2 = __VERIFIER_nondet_int() [L597] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L612] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L634] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L689] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L707] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L663] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE ! pumpRunning [L668] CALL, EXPR isHighWaterLevel() [L786] int retValue_acc ; [L787] int tmp ; [L788] int tmp___0 ; [L792] CALL, EXPR isHighWaterSensorDry() [L540] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L543] COND FALSE !(waterLevel < 2) [L547] retValue_acc = 0 [L548] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L792] RET, EXPR isHighWaterSensorDry() [L792] tmp = isHighWaterSensorDry() [L794] COND FALSE !(\read(tmp)) [L797] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L799] retValue_acc = tmp___0 [L800] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] RET, EXPR isHighWaterLevel() [L668] tmp = isHighWaterLevel() [L670] COND TRUE \read(tmp) [L672] CALL activatePump() [L717] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L672] RET activatePump() [L707] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification1_spec__1() [L420] int tmp ; [L421] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L425] tmp = isMethaneLevelCritical() [L427] COND TRUE \read(tmp) [L429] CALL, EXPR isPumpRunning() [L741] int retValue_acc ; [L744] retValue_acc = pumpRunning [L745] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L429] RET, EXPR isPumpRunning() [L429] tmp___0 = isPumpRunning() [L431] COND TRUE \read(tmp___0) [L433] CALL __automaton_fail() [L449] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 877 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 851 mSDsluCounter, 2212 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1471 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 741 mSDtfsCounter, 786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1371occurred in iteration=8, InterpolantAutomatonStates: 53, 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, 8 MinimizatonAttempts, 61 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2024-11-11 20:52:24,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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