./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1 --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 87e1d1b45ecae6206db87e264fd33705b608c5376aceaefe9ff79eccaaf25b96
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:03:54,229 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:03:54,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 15:03:54,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:03:54,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:03:54,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:03:54,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:03:54,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:03:54,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:03:54,309 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:03:54,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:03:54,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:03:54,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:03:54,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:03:54,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:03:54,311 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:03:54,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:03:54,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:03:54,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:03:54,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:03:54,312 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1
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 -> 87e1d1b45ecae6206db87e264fd33705b608c5376aceaefe9ff79eccaaf25b96
[2024-12-02 15:03:54,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:03:54,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:03:54,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:03:54,555 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:03:54,555 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:03:54,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c
[2024-12-02 15:03:57,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/data/12c0d44de/4ad2fdf6289e449eb29feca17ac3fa73/FLAG56b29185e
[2024-12-02 15:03:57,552 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:03:57,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c
[2024-12-02 15:03:57,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/data/12c0d44de/4ad2fdf6289e449eb29feca17ac3fa73/FLAG56b29185e
[2024-12-02 15:03:57,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/data/12c0d44de/4ad2fdf6289e449eb29feca17ac3fa73
[2024-12-02 15:03:57,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:03:57,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:03:57,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:03:57,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:03:57,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:03:57,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:57" (1/1) ...
[2024-12-02 15:03:57,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120ee43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:57, skipping insertion in model container
[2024-12-02 15:03:57,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:57" (1/1) ...
[2024-12-02 15:03:57,919 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:03:58,122 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c[15496,15509]
[2024-12-02 15:03:58,135 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:03:58,145 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:03:58,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [525]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [727]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [736]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831]
[2024-12-02 15:03:58,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [927]
[2024-12-02 15:03:58,197 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/sv-benchmarks/c/product-lines/minepump_spec4_product39.cil.c[15496,15509]
[2024-12-02 15:03:58,204 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:03:58,221 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:03:58,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58 WrapperNode
[2024-12-02 15:03:58,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:03:58,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:03:58,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:03:58,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:03:58,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,257 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200
[2024-12-02 15:03:58,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:03:58,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:03:58,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:03:58,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:03:58,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,282 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].
[2024-12-02 15:03:58,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:03:58,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:03:58,294 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:03:58,294 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:03:58,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (1/1) ...
[2024-12-02 15:03:58,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:03:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:03:58,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:03:58,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:03:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:03:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2024-12-02 15:03:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2024-12-02 15:03:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 15:03:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 15:03:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 15:03:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:03:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:03:58,409 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:03:58,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:03:58,630 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live.
[2024-12-02 15:03:58,630 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:03:58,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:03:58,640 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 15:03:58,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:58 BoogieIcfgContainer
[2024-12-02 15:03:58,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:03:58,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:03:58,643 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:03:58,648 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:03:58,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:03:57" (1/3) ...
[2024-12-02 15:03:58,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b3ff49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:58, skipping insertion in model container
[2024-12-02 15:03:58,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:58" (2/3) ...
[2024-12-02 15:03:58,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b3ff49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:58, skipping insertion in model container
[2024-12-02 15:03:58,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:58" (3/3) ...
[2024-12-02 15:03:58,650 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product39.cil.c
[2024-12-02 15:03:58,662 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:03:58,663 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product39.cil.c that has 8 procedures, 85 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 15:03:58,714 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:03:58,726 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;@672c50ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:03:58,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:03:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 64 states have (on average 1.40625) internal successors, (90), 73 states have internal predecessors, (90), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 15:03:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 15:03:58,738 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:58,739 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:03:58,739 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:58,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1731113320, now seen corresponding path program 1 times
[2024-12-02 15:03:58,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:58,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611202800]
[2024-12-02 15:03:58,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:58,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:58,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611202800]
[2024-12-02 15:03:58,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611202800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:58,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:58,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:03:58,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193655058]
[2024-12-02 15:03:58,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:58,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:03:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:58,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:03:58,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:03:58,929 INFO L87 Difference]: Start difference. First operand has 85 states, 64 states have (on average 1.40625) internal successors, (90), 73 states have internal predecessors, (90), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:58,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:58,951 INFO L93 Difference]: Finished difference Result 162 states and 223 transitions.
[2024-12-02 15:03:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:03:58,953 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-12-02 15:03:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:58,960 INFO L225 Difference]: With dead ends: 162
[2024-12-02 15:03:58,961 INFO L226 Difference]: Without dead ends: 76
[2024-12-02 15:03:58,963 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
[2024-12-02 15:03:58,966 INFO L435 NwaCegarLoop]: 108 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, 108 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
[2024-12-02 15:03:58,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-12-02 15:03:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-12-02 15:03:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 65 states have internal predecessors, (76), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 15:03:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions.
[2024-12-02 15:03:58,999 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 19
[2024-12-02 15:03:59,000 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,000 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions.
[2024-12-02 15:03:59,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions.
[2024-12-02 15:03:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 15:03:59,001 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:03:59,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:03:59,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash -956617006, now seen corresponding path program 1 times
[2024-12-02 15:03:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620942445]
[2024-12-02 15:03:59,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:59,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:59,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620942445]
[2024-12-02 15:03:59,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620942445] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:59,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:59,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:03:59,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4710651]
[2024-12-02 15:03:59,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:59,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:03:59,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:59,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:03:59,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:03:59,098 INFO L87 Difference]: Start difference. First operand 76 states and 99 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:59,116 INFO L93 Difference]: Finished difference Result 116 states and 150 transitions.
[2024-12-02 15:03:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:03:59,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-12-02 15:03:59,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:59,118 INFO L225 Difference]: With dead ends: 116
[2024-12-02 15:03:59,118 INFO L226 Difference]: Without dead ends: 68
[2024-12-02 15:03:59,118 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
[2024-12-02 15:03:59,119 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 16 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 154 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
[2024-12-02 15:03:59,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-12-02 15:03:59,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2024-12-02 15:03:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 60 states have internal predecessors, (70), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 15:03:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions.
[2024-12-02 15:03:59,130 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 19
[2024-12-02 15:03:59,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,130 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions.
[2024-12-02 15:03:59,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions.
[2024-12-02 15:03:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 15:03:59,131 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,131 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:03:59,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:03:59,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1303780622, now seen corresponding path program 1 times
[2024-12-02 15:03:59,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132592261]
[2024-12-02 15:03:59,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:59,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:59,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132592261]
[2024-12-02 15:03:59,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132592261] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:59,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:59,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:03:59,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105034204]
[2024-12-02 15:03:59,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:59,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:03:59,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:59,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:03:59,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:03:59,217 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:59,241 INFO L93 Difference]: Finished difference Result 189 states and 250 transitions.
[2024-12-02 15:03:59,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:03:59,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2024-12-02 15:03:59,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:59,243 INFO L225 Difference]: With dead ends: 189
[2024-12-02 15:03:59,243 INFO L226 Difference]: Without dead ends: 128
[2024-12-02 15:03:59,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:03:59,244 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 69 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:03:59,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 177 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-12-02 15:03:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125.
[2024-12-02 15:03:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.372340425531915) internal successors, (129), 109 states have internal predecessors, (129), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 11 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 15:03:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 165 transitions.
[2024-12-02 15:03:59,259 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 165 transitions. Word has length 23
[2024-12-02 15:03:59,259 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,259 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 165 transitions.
[2024-12-02 15:03:59,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions.
[2024-12-02 15:03:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-12-02 15:03:59,261 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,261 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]
[2024-12-02 15:03:59,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:03:59,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash -409584444, now seen corresponding path program 1 times
[2024-12-02 15:03:59,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589779873]
[2024-12-02 15:03:59,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:59,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:59,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589779873]
[2024-12-02 15:03:59,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589779873] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:59,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:59,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:03:59,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926448166]
[2024-12-02 15:03:59,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:59,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:03:59,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:59,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:03:59,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:03:59,390 INFO L87 Difference]: Start difference. First operand 125 states and 165 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:59,491 INFO L93 Difference]: Finished difference Result 349 states and 480 transitions.
[2024-12-02 15:03:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:03:59,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27
[2024-12-02 15:03:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:59,495 INFO L225 Difference]: With dead ends: 349
[2024-12-02 15:03:59,495 INFO L226 Difference]: Without dead ends: 231
[2024-12-02 15:03:59,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:03:59,497 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 54 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:03:59,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 318 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:59,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2024-12-02 15:03:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231.
[2024-12-02 15:03:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 172 states have (on average 1.3488372093023255) internal successors, (232), 199 states have internal predecessors, (232), 36 states have call successors, (36), 24 states have call predecessors, (36), 22 states have return successors, (38), 20 states have call predecessors, (38), 36 states have call successors, (38)
[2024-12-02 15:03:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 306 transitions.
[2024-12-02 15:03:59,530 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 306 transitions. Word has length 27
[2024-12-02 15:03:59,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,530 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 306 transitions.
[2024-12-02 15:03:59,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 306 transitions.
[2024-12-02 15:03:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-12-02 15:03:59,533 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,533 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]
[2024-12-02 15:03:59,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:03:59,533 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1370056759, now seen corresponding path program 1 times
[2024-12-02 15:03:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058793611]
[2024-12-02 15:03:59,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:59,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:59,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058793611]
[2024-12-02 15:03:59,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058793611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:59,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:59,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:03:59,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758443687]
[2024-12-02 15:03:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:59,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:03:59,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:59,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:03:59,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:03:59,628 INFO L87 Difference]: Start difference. First operand 231 states and 306 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:59,691 INFO L93 Difference]: Finished difference Result 569 states and 777 transitions.
[2024-12-02 15:03:59,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:03:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29
[2024-12-02 15:03:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:59,695 INFO L225 Difference]: With dead ends: 569
[2024-12-02 15:03:59,695 INFO L226 Difference]: Without dead ends: 345
[2024-12-02 15:03:59,696 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
[2024-12-02 15:03:59,698 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 51 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:03:59,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 141 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:59,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states.
[2024-12-02 15:03:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 336.
[2024-12-02 15:03:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 257 states have (on average 1.311284046692607) internal successors, (337), 277 states have internal predecessors, (337), 41 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (59), 36 states have call predecessors, (59), 41 states have call successors, (59)
[2024-12-02 15:03:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 437 transitions.
[2024-12-02 15:03:59,739 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 437 transitions. Word has length 29
[2024-12-02 15:03:59,740 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,740 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 437 transitions.
[2024-12-02 15:03:59,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:03:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 437 transitions.
[2024-12-02 15:03:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 15:03:59,741 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,741 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]
[2024-12-02 15:03:59,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:03:59,742 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,742 INFO L85 PathProgramCache]: Analyzing trace with hash 934000234, now seen corresponding path program 1 times
[2024-12-02 15:03:59,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519344305]
[2024-12-02 15:03:59,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:03:59,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:03:59,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:03:59,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519344305]
[2024-12-02 15:03:59,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519344305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:03:59,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:03:59,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:03:59,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039021821]
[2024-12-02 15:03:59,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:03:59,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:03:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:03:59,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:03:59,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:03:59,828 INFO L87 Difference]: Start difference. First operand 336 states and 437 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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)
[2024-12-02 15:03:59,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:03:59,906 INFO L93 Difference]: Finished difference Result 338 states and 438 transitions.
[2024-12-02 15:03:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:03:59,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31
[2024-12-02 15:03:59,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:03:59,909 INFO L225 Difference]: With dead ends: 338
[2024-12-02 15:03:59,909 INFO L226 Difference]: Without dead ends: 336
[2024-12-02 15:03:59,909 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
[2024-12-02 15:03:59,910 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 44 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:03:59,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 306 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:03:59,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states.
[2024-12-02 15:03:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336.
[2024-12-02 15:03:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 257 states have (on average 1.3035019455252919) internal successors, (335), 277 states have internal predecessors, (335), 41 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (59), 36 states have call predecessors, (59), 41 states have call successors, (59)
[2024-12-02 15:03:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 435 transitions.
[2024-12-02 15:03:59,944 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 435 transitions. Word has length 31
[2024-12-02 15:03:59,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:03:59,944 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 435 transitions.
[2024-12-02 15:03:59,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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)
[2024-12-02 15:03:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 435 transitions.
[2024-12-02 15:03:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 15:03:59,946 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:03:59,946 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:03:59,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 15:03:59,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:03:59,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:03:59,947 INFO L85 PathProgramCache]: Analyzing trace with hash -921302633, now seen corresponding path program 1 times
[2024-12-02 15:03:59,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:03:59,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913697049]
[2024-12-02 15:03:59,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:03:59,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:03:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:04:00,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:04:00,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913697049]
[2024-12-02 15:04:00,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913697049] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:04:00,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:04:00,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:04:00,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140701511]
[2024-12-02 15:04:00,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:04:00,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:04:00,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:04:00,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:04:00,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:04:00,020 INFO L87 Difference]: Start difference. First operand 336 states and 435 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:04:00,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:04:00,066 INFO L93 Difference]: Finished difference Result 677 states and 895 transitions.
[2024-12-02 15:04:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:04:00,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41
[2024-12-02 15:04:00,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:04:00,069 INFO L225 Difference]: With dead ends: 677
[2024-12-02 15:04:00,069 INFO L226 Difference]: Without dead ends: 348
[2024-12-02 15:04:00,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:04:00,071 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:04:00,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:04:00,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states.
[2024-12-02 15:04:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348.
[2024-12-02 15:04:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 269 states have (on average 1.2899628252788105) internal successors, (347), 289 states have internal predecessors, (347), 41 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (59), 36 states have call predecessors, (59), 41 states have call successors, (59)
[2024-12-02 15:04:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 447 transitions.
[2024-12-02 15:04:00,100 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 447 transitions. Word has length 41
[2024-12-02 15:04:00,100 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:04:00,100 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 447 transitions.
[2024-12-02 15:04:00,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:04:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 447 transitions.
[2024-12-02 15:04:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 15:04:00,102 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:04:00,102 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:00,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 15:04:00,102 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:04:00,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:04:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1932419883, now seen corresponding path program 1 times
[2024-12-02 15:04:00,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:04:00,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552641080]
[2024-12-02 15:04:00,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:04:00,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:04:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:04:00,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:04:00,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552641080]
[2024-12-02 15:04:00,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552641080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:04:00,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:04:00,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:04:00,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009189433]
[2024-12-02 15:04:00,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:04:00,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:04:00,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:04:00,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:04:00,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:04:00,180 INFO L87 Difference]: Start difference. First operand 348 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:04:00,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:04:00,247 INFO L93 Difference]: Finished difference Result 634 states and 832 transitions.
[2024-12-02 15:04:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 15:04:00,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41
[2024-12-02 15:04:00,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:04:00,250 INFO L225 Difference]: With dead ends: 634
[2024-12-02 15:04:00,250 INFO L226 Difference]: Without dead ends: 293
[2024-12-02 15:04:00,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:04:00,252 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 70 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:04:00,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 355 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:04:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2024-12-02 15:04:00,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287.
[2024-12-02 15:04:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 222 states have (on average 1.2747747747747749) internal successors, (283), 239 states have internal predecessors, (283), 34 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (42), 29 states have call predecessors, (42), 34 states have call successors, (42)
[2024-12-02 15:04:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 359 transitions.
[2024-12-02 15:04:00,275 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 359 transitions. Word has length 41
[2024-12-02 15:04:00,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:04:00,275 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 359 transitions.
[2024-12-02 15:04:00,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:04:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 359 transitions.
[2024-12-02 15:04:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 15:04:00,276 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:04:00,276 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:00,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 15:04:00,277 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:04:00,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:04:00,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1341479059, now seen corresponding path program 1 times
[2024-12-02 15:04:00,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:04:00,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384504577]
[2024-12-02 15:04:00,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:04:00,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:04:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:04:00,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:04:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384504577]
[2024-12-02 15:04:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384504577] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:04:00,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:04:00,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:04:00,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74325534]
[2024-12-02 15:04:00,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:04:00,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:04:00,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:04:00,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:04:00,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:04:00,371 INFO L87 Difference]: Start difference. First operand 287 states and 359 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:04:00,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:04:00,460 INFO L93 Difference]: Finished difference Result 633 states and 847 transitions.
[2024-12-02 15:04:00,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:04:00,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41
[2024-12-02 15:04:00,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:04:00,464 INFO L225 Difference]: With dead ends: 633
[2024-12-02 15:04:00,464 INFO L226 Difference]: Without dead ends: 434
[2024-12-02 15:04:00,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:04:00,465 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 49 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:04:00,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 481 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:04:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states.
[2024-12-02 15:04:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 429.
[2024-12-02 15:04:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 328 states have (on average 1.2591463414634145) internal successors, (413), 352 states have internal predecessors, (413), 51 states have call successors, (51), 49 states have call predecessors, (51), 49 states have return successors, (85), 48 states have call predecessors, (85), 51 states have call successors, (85)
[2024-12-02 15:04:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 549 transitions.
[2024-12-02 15:04:00,499 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 549 transitions. Word has length 41
[2024-12-02 15:04:00,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:04:00,499 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 549 transitions.
[2024-12-02 15:04:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 15:04:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 549 transitions.
[2024-12-02 15:04:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2024-12-02 15:04:00,502 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:04:00,502 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:00,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 15:04:00,502 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:04:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:04:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash 183038111, now seen corresponding path program 1 times
[2024-12-02 15:04:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:04:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117986795]
[2024-12-02 15:04:00,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:04:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:04:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:04:00,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:04:00,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117986795]
[2024-12-02 15:04:00,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117986795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:04:00,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:04:00,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:04:00,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658309153]
[2024-12-02 15:04:00,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:04:00,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:04:00,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:04:00,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:04:00,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:04:00,551 INFO L87 Difference]: Start difference. First operand 429 states and 549 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:04:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:04:00,632 INFO L93 Difference]: Finished difference Result 526 states and 674 transitions.
[2024-12-02 15:04:00,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:04:00,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 63
[2024-12-02 15:04:00,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:04:00,635 INFO L225 Difference]: With dead ends: 526
[2024-12-02 15:04:00,635 INFO L226 Difference]: Without dead ends: 210
[2024-12-02 15:04:00,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:04:00,636 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 110 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:04:00,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 215 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:04:00,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-12-02 15:04:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210.
[2024-12-02 15:04:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 161 states have (on average 1.2111801242236024) internal successors, (195), 172 states have internal predecessors, (195), 24 states have call successors, (24), 24 states have call predecessors, (24), 24 states have return successors, (41), 23 states have call predecessors, (41), 24 states have call successors, (41)
[2024-12-02 15:04:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 260 transitions.
[2024-12-02 15:04:00,656 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 260 transitions. Word has length 63
[2024-12-02 15:04:00,656 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:04:00,656 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 260 transitions.
[2024-12-02 15:04:00,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:04:00,657 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 260 transitions.
[2024-12-02 15:04:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-12-02 15:04:00,658 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:04:00,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:00,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 15:04:00,658 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:04:00,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:04:00,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1227516324, now seen corresponding path program 1 times
[2024-12-02 15:04:00,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:04:00,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134300030]
[2024-12-02 15:04:00,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:04:00,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:04:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 15:04:00,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:04:00,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134300030]
[2024-12-02 15:04:00,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134300030] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:04:00,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231406812]
[2024-12-02 15:04:00,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:04:00,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:04:00,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:04:00,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:04:00,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:04:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:04:00,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 15:04:00,923 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:04:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:04:01,037 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:04:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 15:04:01,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231406812] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:04:01,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:04:01,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6
[2024-12-02 15:04:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073181720]
[2024-12-02 15:04:01,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:04:01,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:04:01,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:04:01,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:04:01,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:04:01,172 INFO L87 Difference]: Start difference. First operand 210 states and 260 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7)
[2024-12-02 15:04:01,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:04:01,307 INFO L93 Difference]: Finished difference Result 488 states and 644 transitions.
[2024-12-02 15:04:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 15:04:01,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72
[2024-12-02 15:04:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:04:01,310 INFO L225 Difference]: With dead ends: 488
[2024-12-02 15:04:01,311 INFO L226 Difference]: Without dead ends: 324
[2024-12-02 15:04:01,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 140 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:04:01,312 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 79 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:04:01,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 441 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:04:01,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2024-12-02 15:04:01,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 295.
[2024-12-02 15:04:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 224 states have (on average 1.21875) internal successors, (273), 240 states have internal predecessors, (273), 35 states have call successors, (35), 35 states have call predecessors, (35), 35 states have return successors, (65), 31 states have call predecessors, (65), 35 states have call successors, (65)
[2024-12-02 15:04:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 373 transitions.
[2024-12-02 15:04:01,337 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 373 transitions. Word has length 72
[2024-12-02 15:04:01,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:04:01,338 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 373 transitions.
[2024-12-02 15:04:01,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7)
[2024-12-02 15:04:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 373 transitions.
[2024-12-02 15:04:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-12-02 15:04:01,340 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:04:01,340 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:01,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:04:01,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:04:01,541 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:04:01,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:04:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1463323021, now seen corresponding path program 2 times
[2024-12-02 15:04:01,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:04:01,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351849213]
[2024-12-02 15:04:01,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:04:01,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:04:01,574 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:04:01,574 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 15:04:01,575 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:04:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:04:01,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:04:01,618 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:04:01,619 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 15:04:01,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 15:04:01,623 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:04:01,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:04:01,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:04:01 BoogieIcfgContainer
[2024-12-02 15:04:01,676 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:04:01,677 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:04:01,677 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:04:01,677 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:04:01,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:58" (3/4) ...
[2024-12-02 15:04:01,678 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 15:04:01,753 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 93.
[2024-12-02 15:04:01,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:04:01,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:04:01,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:04:01,841 INFO L158 Benchmark]: Toolchain (without parser) took 3962.20ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
[2024-12-02 15:04:01,841 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:04:01,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.47ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:04:01,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:04:01,842 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:04:01,843 INFO L158 Benchmark]: RCFGBuilder took 346.64ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 53.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:04:01,843 INFO L158 Benchmark]: TraceAbstraction took 3033.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.7MB in the beginning and 101.4MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:04:01,843 INFO L158 Benchmark]: Witness Printer took 163.57ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 89.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:04:01,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 342.47ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 73.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.43ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 346.64ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 53.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3033.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.7MB in the beginning and 101.4MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 163.57ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 89.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. 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,"libacc.i","") [87]
- GenericResultAtLocation [Line: 453]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453]
- GenericResultAtLocation [Line: 525]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [525]
- GenericResultAtLocation [Line: 727]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [727]
- GenericResultAtLocation [Line: 736]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [736]
- GenericResultAtLocation [Line: 831]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831]
- GenericResultAtLocation [Line: 927]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [927]
* 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: 732]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L534] int pumpRunning = 0;
[L535] int systemActive = 1;
[L738] int waterLevel = 1;
[L739] int methaneLevelCritical = 0;
[L832] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L905] int retValue_acc ;
[L906] int tmp ;
[L910] FCALL select_helpers()
[L911] FCALL select_features()
[L912] 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]
[L912] RET, EXPR valid_product()
[L912] tmp = valid_product()
[L914] COND TRUE \read(tmp)
[L916] FCALL setup()
[L917] CALL runTest()
[L899] CALL test()
[L460] int splverifierCounter ;
[L461] int tmp ;
[L462] int tmp___0 ;
[L463] int tmp___1 ;
[L464] int tmp___2 ;
[L467] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L471] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L477] tmp = __VERIFIER_nondet_int()
[L479] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L481] CALL waterRise()
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L756] COND TRUE waterLevel < 2
[L757] waterLevel = waterLevel + 1
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L481] RET waterRise()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L487] tmp___0 = __VERIFIER_nondet_int()
[L489] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L497] tmp___2 = __VERIFIER_nondet_int()
[L499] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L514] CALL timeShift()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L542] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L549] COND TRUE \read(systemActive)
[L551] CALL processEnvironment()
[L597] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L600] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L615] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L571] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L574] COND TRUE ! pumpRunning
[L576] CALL, EXPR isHighWaterLevel()
[L694] int retValue_acc ;
[L695] int tmp ;
[L696] int tmp___0 ;
[L700] CALL, EXPR isHighWaterSensorDry()
[L818] int retValue_acc ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L821] COND FALSE !(waterLevel < 2)
[L825] retValue_acc = 0
[L826] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L700] RET, EXPR isHighWaterSensorDry()
[L700] tmp = isHighWaterSensorDry()
[L702] COND FALSE !(\read(tmp))
[L705] tmp___0 = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2]
[L707] retValue_acc = tmp___0
[L708] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L576] RET, EXPR isHighWaterLevel()
[L576] tmp = isHighWaterLevel()
[L578] COND TRUE \read(tmp)
[L580] CALL activatePump()
[L625] pumpRunning = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L580] RET activatePump()
[L615] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L551] RET processEnvironment()
[L557] CALL __utac_acc__Specification4_spec__1()
[L929] int tmp ;
[L930] int tmp___0 ;
[L934] CALL, EXPR getWaterLevel()
[L809] int retValue_acc ;
[L812] retValue_acc = waterLevel
[L813] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L934] RET, EXPR getWaterLevel()
[L934] tmp = getWaterLevel()
[L936] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L557] RET __utac_acc__Specification4_spec__1()
[L514] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L471] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L477] tmp = __VERIFIER_nondet_int()
[L479] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L487] tmp___0 = __VERIFIER_nondet_int()
[L489] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L497] tmp___2 = __VERIFIER_nondet_int()
[L499] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L514] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L542] COND TRUE \read(pumpRunning)
[L544] CALL lowerWaterLevel()
[L744] COND TRUE waterLevel > 0
[L745] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L544] RET lowerWaterLevel()
[L549] COND TRUE \read(systemActive)
[L551] CALL processEnvironment()
[L597] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L600] COND TRUE \read(pumpRunning)
[L602] CALL, EXPR isMethaneAlarm()
[L638] int retValue_acc ;
[L642] CALL, EXPR isMethaneLevelCritical()
[L777] int retValue_acc ;
[L780] retValue_acc = methaneLevelCritical
[L781] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L642] RET, EXPR isMethaneLevelCritical()
[L642] retValue_acc = isMethaneLevelCritical()
[L644] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L602] RET, EXPR isMethaneAlarm()
[L602] tmp = isMethaneAlarm()
[L604] COND FALSE !(\read(tmp))
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L610] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L571] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L574] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L589] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L610] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L551] RET processEnvironment()
[L557] CALL __utac_acc__Specification4_spec__1()
[L929] int tmp ;
[L930] int tmp___0 ;
[L934] CALL, EXPR getWaterLevel()
[L809] int retValue_acc ;
[L812] retValue_acc = waterLevel
[L813] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L934] RET, EXPR getWaterLevel()
[L934] tmp = getWaterLevel()
[L936] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L557] RET __utac_acc__Specification4_spec__1()
[L514] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L471] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L477] tmp = __VERIFIER_nondet_int()
[L479] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L487] tmp___0 = __VERIFIER_nondet_int()
[L489] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L497] tmp___2 = __VERIFIER_nondet_int()
[L499] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L514] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L542] COND TRUE \read(pumpRunning)
[L544] CALL lowerWaterLevel()
[L744] COND TRUE waterLevel > 0
[L745] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L544] RET lowerWaterLevel()
[L549] COND TRUE \read(systemActive)
[L551] CALL processEnvironment()
[L597] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L600] COND TRUE \read(pumpRunning)
[L602] CALL, EXPR isMethaneAlarm()
[L638] int retValue_acc ;
[L642] CALL, EXPR isMethaneLevelCritical()
[L777] int retValue_acc ;
[L780] retValue_acc = methaneLevelCritical
[L781] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L642] RET, EXPR isMethaneLevelCritical()
[L642] retValue_acc = isMethaneLevelCritical()
[L644] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L602] RET, EXPR isMethaneAlarm()
[L602] tmp = isMethaneAlarm()
[L604] COND FALSE !(\read(tmp))
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L610] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L571] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L574] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L589] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L610] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L551] RET processEnvironment()
[L557] CALL __utac_acc__Specification4_spec__1()
[L929] int tmp ;
[L930] int tmp___0 ;
[L934] CALL, EXPR getWaterLevel()
[L809] int retValue_acc ;
[L812] retValue_acc = waterLevel
[L813] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L934] RET, EXPR getWaterLevel()
[L934] tmp = getWaterLevel()
[L936] COND TRUE tmp == 0
[L938] CALL, EXPR isPumpRunning()
[L649] int retValue_acc ;
[L652] retValue_acc = pumpRunning
[L653] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L938] RET, EXPR isPumpRunning()
[L938] tmp___0 = isPumpRunning()
[L940] COND TRUE \read(tmp___0)
[L942] CALL __automaton_fail()
[L732] reach_error()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 8 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 546 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 542 mSDsluCounter, 3030 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1932 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 1098 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 162 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=9, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 52 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 1036 SizeOfPredicates, 2 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 52/70 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!
[2024-12-02 15:04:01,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e35fa746-7ad7-401e-bb42-25d834593f0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE