./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.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 a376335b8a3ab47de9d514c456736b6e8cd0860f7823a0aab43b69eb15a45340 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:06:39,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:06:39,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:06:39,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:06:39,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:06:39,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:06:39,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:06:39,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:06:39,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:06:39,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:06:39,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:06:39,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:06:39,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:06:39,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:06:39,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:06:39,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:06:39,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:06:39,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:06:39,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:06:39,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:06:39,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:06:39,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:06:39,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:06:39,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:06:39,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:06:39,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:06:39,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:06:39,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:06:39,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:06:39,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:06:39,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:06:39,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:06:39,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:06:39,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:06:39,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:06:39,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:06:39,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:06:39,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a376335b8a3ab47de9d514c456736b6e8cd0860f7823a0aab43b69eb15a45340 [2024-11-19 22:06:39,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:06:39,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:06:39,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:06:39,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:06:39,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:06:39,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2024-11-19 22:06:40,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:06:41,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:06:41,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2024-11-19 22:06:41,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfd90883/19e01b23e6e44ad88e1621ce0c457de2/FLAG1cacc34c2 [2024-11-19 22:06:41,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfd90883/19e01b23e6e44ad88e1621ce0c457de2 [2024-11-19 22:06:41,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:06:41,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:06:41,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:06:41,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:06:41,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:06:41,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143147b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41, skipping insertion in model container [2024-11-19 22:06:41,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:06:41,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18789,18802] [2024-11-19 22:06:41,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:06:41,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:06:41,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-19 22:06:41,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [160] [2024-11-19 22:06:41,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] [2024-11-19 22:06:41,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [447] [2024-11-19 22:06:41,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [482] [2024-11-19 22:06:41,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [581] [2024-11-19 22:06:41,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2024-11-19 22:06:41,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [982] [2024-11-19 22:06:41,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c[18789,18802] [2024-11-19 22:06:41,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:06:41,870 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:06:41,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41 WrapperNode [2024-11-19 22:06:41,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:06:41,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:06:41,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:06:41,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:06:41,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,918 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 213 [2024-11-19 22:06:41,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:06:41,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:06:41,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:06:41,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:06:41,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,952 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]. [2024-11-19 22:06:41,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:06:41,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:06:41,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:06:41,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:06:41,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (1/1) ... [2024-11-19 22:06:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:06:41,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:06:42,000 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) [2024-11-19 22:06:42,005 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 [2024-11-19 22:06:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:06:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:06:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:06:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:06:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-19 22:06:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-19 22:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-19 22:06:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-19 22:06:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:06:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:06:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:06:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:06:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:06:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:06:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:06:42,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:06:42,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:06:42,306 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-19 22:06:42,306 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:06:42,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:06:42,319 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:06:42,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:06:42 BoogieIcfgContainer [2024-11-19 22:06:42,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:06:42,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:06:42,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:06:42,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:06:42,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:06:41" (1/3) ... [2024-11-19 22:06:42,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d2afb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:06:42, skipping insertion in model container [2024-11-19 22:06:42,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:06:41" (2/3) ... [2024-11-19 22:06:42,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d2afb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:06:42, skipping insertion in model container [2024-11-19 22:06:42,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:06:42" (3/3) ... [2024-11-19 22:06:42,328 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product51.cil.c [2024-11-19 22:06:42,340 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:06:42,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:06:42,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:06:42,385 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;@52eb9f38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:06:42,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:06:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 22:06:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 22:06:42,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:06:42,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:06:42,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:06:42,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:06:42,431 INFO L85 PathProgramCache]: Analyzing trace with hash 120093643, now seen corresponding path program 1 times [2024-11-19 22:06:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:06:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982683743] [2024-11-19 22:06:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:06:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:06:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-19 22:06:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:06:42,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:06:42,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982683743] [2024-11-19 22:06:42,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982683743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:06:42,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:06:42,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:06:42,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754771127] [2024-11-19 22:06:42,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:06:42,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:06:42,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:06:42,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:06:42,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:06:42,609 INFO L87 Difference]: Start difference. First operand has 95 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:42,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:06:42,630 INFO L93 Difference]: Finished difference Result 182 states and 247 transitions. [2024-11-19 22:06:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:06:42,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-19 22:06:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:06:42,641 INFO L225 Difference]: With dead ends: 182 [2024-11-19 22:06:42,641 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 22:06:42,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:06:42,649 INFO L432 NwaCegarLoop]: 120 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, 120 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 [2024-11-19 22:06:42,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:06:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 22:06:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 22:06:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 65 states have (on average 1.323076923076923) internal successors, (86), 73 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 22:06:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2024-11-19 22:06:42,685 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2024-11-19 22:06:42,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:06:42,685 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2024-11-19 22:06:42,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2024-11-19 22:06:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 22:06:42,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:06:42,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:06:42,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:06:42,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:06:42,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:06:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash 255457081, now seen corresponding path program 1 times [2024-11-19 22:06:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:06:42,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417170340] [2024-11-19 22:06:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:06:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:06:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-19 22:06:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:06:42,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:06:42,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417170340] [2024-11-19 22:06:42,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417170340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:06:42,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:06:42,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:06:42,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203474642] [2024-11-19 22:06:42,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:06:42,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:06:42,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:06:42,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:06:42,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:06:42,800 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:42,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:06:42,816 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2024-11-19 22:06:42,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:06:42,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-19 22:06:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:06:42,818 INFO L225 Difference]: With dead ends: 134 [2024-11-19 22:06:42,818 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 22:06:42,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:06:42,819 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 16 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 175 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 [2024-11-19 22:06:42,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:06:42,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 22:06:42,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-19 22:06:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 67 states have internal predecessors, (79), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 22:06:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2024-11-19 22:06:42,827 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2024-11-19 22:06:42,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:06:42,827 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2024-11-19 22:06:42,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2024-11-19 22:06:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 22:06:42,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:06:42,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:06:42,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:06:42,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:06:42,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:06:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash 547616609, now seen corresponding path program 1 times [2024-11-19 22:06:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:06:42,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773495233] [2024-11-19 22:06:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:06:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:06:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 22:06:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:06:42,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:06:42,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773495233] [2024-11-19 22:06:42,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773495233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:06:42,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:06:42,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:06:42,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805161313] [2024-11-19 22:06:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:06:42,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:06:42,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:06:42,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:06:42,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:06:42,976 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-19 22:06:43,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:06:43,133 INFO L93 Difference]: Finished difference Result 260 states and 341 transitions. [2024-11-19 22:06:43,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:06:43,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2024-11-19 22:06:43,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:06:43,136 INFO L225 Difference]: With dead ends: 260 [2024-11-19 22:06:43,136 INFO L226 Difference]: Without dead ends: 190 [2024-11-19 22:06:43,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:06:43,137 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 233 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:06:43,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 417 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:06:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-19 22:06:43,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 184. [2024-11-19 22:06:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 139 states have (on average 1.3669064748201438) internal successors, (190), 157 states have internal predecessors, (190), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 17 states have call predecessors, (26), 25 states have call successors, (26) [2024-11-19 22:06:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 241 transitions. [2024-11-19 22:06:43,156 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 241 transitions. Word has length 30 [2024-11-19 22:06:43,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:06:43,156 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 241 transitions. [2024-11-19 22:06:43,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-19 22:06:43,157 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 241 transitions. [2024-11-19 22:06:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 22:06:43,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:06:43,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:06:43,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:06:43,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:06:43,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:06:43,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1724794985, now seen corresponding path program 1 times [2024-11-19 22:06:43,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:06:43,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967547867] [2024-11-19 22:06:43,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:06:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:06:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:06:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:06:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:06:43,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:06:43,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967547867] [2024-11-19 22:06:43,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967547867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:06:43,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:06:43,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:06:43,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762730447] [2024-11-19 22:06:43,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:06:43,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:06:43,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:06:43,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:06:43,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:06:43,279 INFO L87 Difference]: Start difference. First operand 184 states and 241 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:43,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:06:43,343 INFO L93 Difference]: Finished difference Result 521 states and 708 transitions. [2024-11-19 22:06:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:06:43,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-19 22:06:43,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:06:43,348 INFO L225 Difference]: With dead ends: 521 [2024-11-19 22:06:43,349 INFO L226 Difference]: Without dead ends: 344 [2024-11-19 22:06:43,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:06:43,353 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 61 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:06:43,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 357 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:06:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-19 22:06:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-19 22:06:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 258 states have (on average 1.3410852713178294) internal successors, (346), 290 states have internal predecessors, (346), 50 states have call successors, (50), 38 states have call predecessors, (50), 35 states have return successors, (56), 31 states have call predecessors, (56), 50 states have call successors, (56) [2024-11-19 22:06:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 452 transitions. [2024-11-19 22:06:43,396 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 452 transitions. Word has length 34 [2024-11-19 22:06:43,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:06:43,396 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 452 transitions. [2024-11-19 22:06:43,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:06:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 452 transitions. [2024-11-19 22:06:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 22:06:43,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:06:43,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:06:43,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:06:43,399 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:06:43,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:06:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash 154877, now seen corresponding path program 1 times [2024-11-19 22:06:43,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:06:43,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018441258] [2024-11-19 22:06:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:06:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:06:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 22:06:43,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 22:06:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 22:06:43,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 22:06:43,453 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 22:06:43,454 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:06:43,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:06:43,458 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-19 22:06:43,488 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:06:43,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:06:43 BoogieIcfgContainer [2024-11-19 22:06:43,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:06:43,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:06:43,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:06:43,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:06:43,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:06:42" (3/4) ... [2024-11-19 22:06:43,492 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 22:06:43,550 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:06:43,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:06:43,551 INFO L158 Benchmark]: Toolchain (without parser) took 2089.88ms. Allocated memory is still 197.1MB. Free memory was 126.5MB in the beginning and 59.8MB in the end (delta: 66.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,552 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:06:43,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.95ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 103.9MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.02ms. Allocated memory is still 197.1MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,552 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 197.1MB. Free memory was 101.8MB in the beginning and 99.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,553 INFO L158 Benchmark]: RCFGBuilder took 350.25ms. Allocated memory is still 197.1MB. Free memory was 99.2MB in the beginning and 79.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,553 INFO L158 Benchmark]: TraceAbstraction took 1167.25ms. Allocated memory is still 197.1MB. Free memory was 79.2MB in the beginning and 64.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,553 INFO L158 Benchmark]: Witness Printer took 60.41ms. Allocated memory is still 197.1MB. Free memory was 64.0MB in the beginning and 59.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:06:43,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.95ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 103.9MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.02ms. Allocated memory is still 197.1MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 197.1MB. Free memory was 101.8MB in the beginning and 99.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.25ms. Allocated memory is still 197.1MB. Free memory was 99.2MB in the beginning and 79.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.25ms. Allocated memory is still 197.1MB. Free memory was 79.2MB in the beginning and 64.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 60.41ms. Allocated memory is still 197.1MB. Free memory was 64.0MB in the beginning and 59.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [160] - GenericResultAtLocation [Line: 230]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] - GenericResultAtLocation [Line: 447]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [447] - GenericResultAtLocation [Line: 482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [482] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [581] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] - GenericResultAtLocation [Line: 982]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [982] * 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: 987]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L235] int pumpRunning = 0; [L236] int systemActive = 1; [L483] int cleanupTimeShifts = 4; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L559] int retValue_acc ; [L560] int tmp ; [L564] FCALL select_helpers() [L565] FCALL select_features() [L566] CALL, EXPR valid_product() [L608] int retValue_acc ; [L611] retValue_acc = 1 [L612] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L566] RET, EXPR valid_product() [L566] tmp = valid_product() [L568] COND TRUE \read(tmp) [L570] FCALL setup() [L571] CALL runTest() [L550] CALL test() [L165] int splverifierCounter ; [L166] int tmp ; [L167] int tmp___0 ; [L168] int tmp___1 ; [L169] int tmp___2 ; [L172] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L174] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L176] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L182] tmp = __VERIFIER_nondet_int() [L184] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L186] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L76] COND TRUE waterLevel < 2 [L77] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L186] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L192] tmp___0 = __VERIFIER_nondet_int() [L194] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L202] tmp___2 = __VERIFIER_nondet_int() [L204] COND FALSE !(\read(tmp___2)) [L208] tmp___1 = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp___1) [L212] CALL stopSystem() [L436] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L212] RET stopSystem() [L219] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L243] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L250] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L258] CALL __utac_acc__Specification3_spec__1() [L450] int tmp ; [L451] int tmp___0 ; [L452] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L456] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L456] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L456] tmp = isMethaneLevelCritical() [L458] COND FALSE !(\read(tmp)) [L462] CALL, EXPR getWaterLevel() [L129] int retValue_acc ; [L132] retValue_acc = waterLevel [L133] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L462] RET, EXPR getWaterLevel() [L462] tmp___0 = getWaterLevel() [L464] COND TRUE tmp___0 == 2 [L466] CALL, EXPR isPumpRunning() [L350] int retValue_acc ; [L353] retValue_acc = pumpRunning [L354] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L466] RET, EXPR isPumpRunning() [L466] tmp___1 = isPumpRunning() [L468] COND FALSE !(\read(tmp___1)) [L472] CALL __automaton_fail() [L987] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 310 mSDsluCounter, 1069 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 644 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 425 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-19 22:06:43,585 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