./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:01:14,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:01:14,915 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:01:14,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:01:14,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:01:14,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:01:14,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:01:14,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:01:14,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:01:14,936 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:01:14,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:01:14,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:01:14,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:01:14,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:01:14,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:01:14,938 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:14,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:14,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:14,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:01:14,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:01:14,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:01:14,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:01:14,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:01:14,940 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fad1f46ef1d66409ef51b118a06472b77e31d844250c32d0f4ef55111b850abc [2025-01-09 04:01:15,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:01:15,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:01:15,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:01:15,165 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:01:15,165 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:01:15,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2025-01-09 04:01:16,316 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67a86d0cb/112ee2df2d114b2f98922f8f458c6f60/FLAG1bfd8e1e4 [2025-01-09 04:01:16,585 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:01:16,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2025-01-09 04:01:16,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67a86d0cb/112ee2df2d114b2f98922f8f458c6f60/FLAG1bfd8e1e4 [2025-01-09 04:01:16,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67a86d0cb/112ee2df2d114b2f98922f8f458c6f60 [2025-01-09 04:01:16,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:01:16,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:01:16,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:16,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:01:16,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:01:16,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbc53c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16, skipping insertion in model container [2025-01-09 04:01:16,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:01:16,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[8048,8061] [2025-01-09 04:01:16,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:16,866 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:01:16,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-01-09 04:01:16,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2025-01-09 04:01:16,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] [2025-01-09 04:01:16,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] [2025-01-09 04:01:16,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] [2025-01-09 04:01:16,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] [2025-01-09 04:01:16,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] [2025-01-09 04:01:16,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2025-01-09 04:01:16,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c[8048,8061] [2025-01-09 04:01:16,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:16,931 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:01:16,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16 WrapperNode [2025-01-09 04:01:16,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:16,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:16,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:01:16,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:01:16,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,966 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 175 [2025-01-09 04:01:16,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:16,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:01:16,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:01:16,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:01:16,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,993 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]. [2025-01-09 04:01:16,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:16,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:01:17,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:01:17,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:01:17,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:01:17,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (1/1) ... [2025-01-09 04:01:17,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:01:17,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:01:17,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:01:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:01:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:01:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:01:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:01:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:01:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 04:01:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 04:01:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:01:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:01:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:01:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:01:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:01:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:01:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:01:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:01:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:01:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:01:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:01:17,108 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:01:17,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:01:17,280 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-01-09 04:01:17,280 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:01:17,290 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:01:17,290 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:01:17,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17 BoogieIcfgContainer [2025-01-09 04:01:17,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:01:17,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:01:17,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:01:17,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:01:17,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:01:16" (1/3) ... [2025-01-09 04:01:17,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:17, skipping insertion in model container [2025-01-09 04:01:17,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:16" (2/3) ... [2025-01-09 04:01:17,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:17, skipping insertion in model container [2025-01-09 04:01:17,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17" (3/3) ... [2025-01-09 04:01:17,296 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2025-01-09 04:01:17,307 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:01:17,309 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product28.cil.c that has 8 procedures, 81 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:01:17,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:01:17,361 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;@36cabdb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:01:17,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:01:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 04:01:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:01:17,372 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:17,372 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] [2025-01-09 04:01:17,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:17,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1905858117, now seen corresponding path program 1 times [2025-01-09 04:01:17,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:17,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444310190] [2025-01-09 04:01:17,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:17,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:17,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:01:17,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:01:17,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:17,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:17,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:17,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444310190] [2025-01-09 04:01:17,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444310190] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:17,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:17,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 04:01:17,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642060028] [2025-01-09 04:01:17,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:17,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:01:17,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:17,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:01:17,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:01:17,548 INFO L87 Difference]: Start difference. First operand has 81 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:17,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:17,565 INFO L93 Difference]: Finished difference Result 154 states and 205 transitions. [2025-01-09 04:01:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:01:17,567 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 [2025-01-09 04:01:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:17,572 INFO L225 Difference]: With dead ends: 154 [2025-01-09 04:01:17,572 INFO L226 Difference]: Without dead ends: 72 [2025-01-09 04:01:17,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:01:17,577 INFO L435 NwaCegarLoop]: 101 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, 101 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 [2025-01-09 04:01:17,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:17,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-09 04:01:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-01-09 04:01:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 60 states have internal predecessors, (71), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 04:01:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2025-01-09 04:01:17,604 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 25 [2025-01-09 04:01:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:17,605 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2025-01-09 04:01:17,605 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) [2025-01-09 04:01:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2025-01-09 04:01:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:01:17,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:17,608 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] [2025-01-09 04:01:17,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:01:17,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:17,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1467598607, now seen corresponding path program 1 times [2025-01-09 04:01:17,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:17,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325292537] [2025-01-09 04:01:17,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:17,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:01:17,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:01:17,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:17,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325292537] [2025-01-09 04:01:17,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325292537] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:17,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:17,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:01:17,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042360081] [2025-01-09 04:01:17,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:17,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:01:17,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:17,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:01:17,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:17,684 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:01:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:17,693 INFO L93 Difference]: Finished difference Result 107 states and 135 transitions. [2025-01-09 04:01:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:01:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2025-01-09 04:01:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:17,694 INFO L225 Difference]: With dead ends: 107 [2025-01-09 04:01:17,694 INFO L226 Difference]: Without dead ends: 64 [2025-01-09 04:01:17,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:17,694 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 139 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 [2025-01-09 04:01:17,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-09 04:01:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-09 04:01:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-09 04:01:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2025-01-09 04:01:17,699 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 25 [2025-01-09 04:01:17,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:17,699 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2025-01-09 04:01:17,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:01:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2025-01-09 04:01:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 04:01:17,700 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:17,700 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] [2025-01-09 04:01:17,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:01:17,700 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:17,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash 441921988, now seen corresponding path program 1 times [2025-01-09 04:01:17,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:17,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951722440] [2025-01-09 04:01:17,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:17,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 04:01:17,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 04:01:17,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:17,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:17,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:17,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951722440] [2025-01-09 04:01:17,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951722440] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:17,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:01:17,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635061609] [2025-01-09 04:01:17,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:17,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:01:17,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:17,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:01:17,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:17,768 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2025-01-09 04:01:17,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:17,789 INFO L93 Difference]: Finished difference Result 176 states and 228 transitions. [2025-01-09 04:01:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:01:17,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 [2025-01-09 04:01:17,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:17,790 INFO L225 Difference]: With dead ends: 176 [2025-01-09 04:01:17,790 INFO L226 Difference]: Without dead ends: 119 [2025-01-09 04:01:17,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:17,791 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:17,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:17,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-01-09 04:01:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2025-01-09 04:01:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 98 states have internal predecessors, (118), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2025-01-09 04:01:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 150 transitions. [2025-01-09 04:01:17,806 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 150 transitions. Word has length 30 [2025-01-09 04:01:17,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:17,806 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 150 transitions. [2025-01-09 04:01:17,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2025-01-09 04:01:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2025-01-09 04:01:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-09 04:01:17,807 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:17,807 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] [2025-01-09 04:01:17,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:01:17,807 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:17,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:17,808 INFO L85 PathProgramCache]: Analyzing trace with hash -533514951, now seen corresponding path program 1 times [2025-01-09 04:01:17,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:17,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176867935] [2025-01-09 04:01:17,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:17,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:17,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-09 04:01:17,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-09 04:01:17,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:17,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:17,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:17,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176867935] [2025-01-09 04:01:17,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176867935] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:17,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:17,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:01:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360424457] [2025-01-09 04:01:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:17,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:01:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:17,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:01:17,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:01:17,996 INFO L87 Difference]: Start difference. First operand 116 states and 150 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2025-01-09 04:01:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:18,093 INFO L93 Difference]: Finished difference Result 322 states and 431 transitions. [2025-01-09 04:01:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:01:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 33 [2025-01-09 04:01:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:18,096 INFO L225 Difference]: With dead ends: 322 [2025-01-09 04:01:18,096 INFO L226 Difference]: Without dead ends: 213 [2025-01-09 04:01:18,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:01:18,097 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 45 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:18,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 290 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-01-09 04:01:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-01-09 04:01:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 177 states have internal predecessors, (212), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34) [2025-01-09 04:01:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 278 transitions. [2025-01-09 04:01:18,127 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 278 transitions. Word has length 33 [2025-01-09 04:01:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:18,127 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 278 transitions. [2025-01-09 04:01:18,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2025-01-09 04:01:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 278 transitions. [2025-01-09 04:01:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-09 04:01:18,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:18,132 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] [2025-01-09 04:01:18,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:01:18,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:18,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash -386810465, now seen corresponding path program 1 times [2025-01-09 04:01:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:18,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904001858] [2025-01-09 04:01:18,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:18,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:01:18,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:01:18,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:18,149 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 04:01:18,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:01:18,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:01:18,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:18,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 04:01:18,185 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 04:01:18,186 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:01:18,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:01:18,188 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 04:01:18,208 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:01:18,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:01:18 BoogieIcfgContainer [2025-01-09 04:01:18,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:01:18,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:01:18,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:01:18,210 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:01:18,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17" (3/4) ... [2025-01-09 04:01:18,212 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-09 04:01:18,265 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 31. [2025-01-09 04:01:18,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:01:18,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:01:18,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:01:18,329 INFO L158 Benchmark]: Toolchain (without parser) took 1709.06ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 88.4MB in the end (delta: 34.9MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2025-01-09 04:01:18,329 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:18,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.05ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 104.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:18,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.96ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:18,330 INFO L158 Benchmark]: Boogie Preprocessor took 37.45ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:01:18,330 INFO L158 Benchmark]: RCFGBuilder took 285.86ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 85.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:18,330 INFO L158 Benchmark]: TraceAbstraction took 917.66ms. Allocated memory is still 167.8MB. Free memory was 84.6MB in the beginning and 95.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:18,330 INFO L158 Benchmark]: Witness Printer took 115.06ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 88.4MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:18,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.05ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 104.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.96ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.45ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 285.86ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 85.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 917.66ms. Allocated memory is still 167.8MB. Free memory was 84.6MB in the beginning and 95.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.06ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 88.4MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [292] - GenericResultAtLocation [Line: 364]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [364] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [454] - GenericResultAtLocation [Line: 550]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [550] - GenericResultAtLocation [Line: 559]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [559] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 555]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L366] int waterLevel = 1; [L367] int methaneLevelCritical = 0; [L455] int cleanupTimeShifts = 4; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] RET, EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L308] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L314] tmp = __VERIFIER_nondet_int() [L316] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L318] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L384] COND TRUE waterLevel < 2 [L385] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___2)) [L342] tmp___1 = __VERIFIER_nondet_int() [L344] COND TRUE \read(tmp___1) [L346] CALL stopSystem() [L273] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L346] RET stopSystem() [L353] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L114] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L122] CALL __utac_acc__Specification3_spec__1() [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L405] int retValue_acc ; [L408] retValue_acc = methaneLevelCritical [L409] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L567] tmp = isMethaneLevelCritical() [L569] COND FALSE !(\read(tmp)) [L573] CALL, EXPR getWaterLevel() [L437] int retValue_acc ; [L440] retValue_acc = waterLevel [L441] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] RET, EXPR getWaterLevel() [L573] tmp___0 = getWaterLevel() [L575] COND TRUE tmp___0 == 2 [L577] CALL, EXPR isPumpRunning() [L206] int retValue_acc ; [L209] retValue_acc = pumpRunning [L210] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L577] RET, EXPR isPumpRunning() [L577] tmp___1 = isPumpRunning() [L579] COND FALSE !(\read(tmp___1)) [L583] CALL __automaton_fail() [L555] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 698 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 343 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 355 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-09 04:01:18,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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