./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.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_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 09:36:11,635 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-05 09:36:11,692 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 09:36:11,697 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 09:36:11,697 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 09:36:11,717 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 09:36:11,718 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 09:36:11,718 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 09:36:11,718 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 09:36:11,719 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 09:36:11,719 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 09:36:11,719 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-05 09:36:11,719 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-05 09:36:11,719 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 09:36:11,719 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-05 09:36:11,719 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-05 09:36:11,720 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 09:36:11,720 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:36:11,721 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 09:36:11,721 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 09:36:11,722 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 09:36:11,722 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 09:36:11,722 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 09:36:11,722 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 09:36:11,722 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX
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 -> GemCutter
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 -> f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6
[2024-12-05 09:36:11,957 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 09:36:11,965 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 09:36:11,968 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 09:36:11,969 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-05 09:36:11,969 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-05 09:36:11,970 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c
[2024-12-05 09:36:14,571 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/data/9629a3266/81928de9a5a54bf3b8580d2be74d67ef/FLAG75419fbd6
[2024-12-05 09:36:14,783 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-05 09:36:14,784 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c
[2024-12-05 09:36:14,792 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/data/9629a3266/81928de9a5a54bf3b8580d2be74d67ef/FLAG75419fbd6
[2024-12-05 09:36:15,140 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/data/9629a3266/81928de9a5a54bf3b8580d2be74d67ef
[2024-12-05 09:36:15,142 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 09:36:15,143 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 09:36:15,144 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 09:36:15,144 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 09:36:15,147 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 09:36:15,148 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,148 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcc4c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15, skipping insertion in model container
[2024-12-05 09:36:15,148 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,163 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-05 09:36:15,293 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_100420f9-de03-49d8-a869-eb42ae24b0d9/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c[2553,2566]
[2024-12-05 09:36:15,298 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:36:15,306 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-05 09:36:15,323 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_100420f9-de03-49d8-a869-eb42ae24b0d9/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c[2553,2566]
[2024-12-05 09:36:15,324 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:36:15,335 INFO  L204         MainTranslator]: Completed translation
[2024-12-05 09:36:15,335 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15 WrapperNode
[2024-12-05 09:36:15,335 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 09:36:15,336 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 09:36:15,336 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 09:36:15,336 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 09:36:15,342 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,348 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,368 INFO  L138                Inliner]: procedures = 22, calls = 15, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 153
[2024-12-05 09:36:15,368 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 09:36:15,369 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 09:36:15,369 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 09:36:15,369 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 09:36:15,375 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,375 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,377 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,377 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,380 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,381 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,382 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,384 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,384 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,386 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 09:36:15,386 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 09:36:15,387 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 09:36:15,387 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-05 09:36:15,387 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (1/1) ...
[2024-12-05 09:36:15,391 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:36:15,401 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:36:15,409 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 09:36:15,411 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-12-05 09:36:15,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-12-05 09:36:15,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-12-05 09:36:15,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 09:36:15,429 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 09:36:15,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 09:36:15,431 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-05 09:36:15,511 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-05 09:36:15,512 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 09:36:15,766 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 09:36:15,766 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-05 09:36:16,029 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 09:36:16,030 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-05 09:36:16,030 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:36:16 BoogieIcfgContainer
[2024-12-05 09:36:16,030 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 09:36:16,033 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 09:36:16,033 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 09:36:16,037 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-05 09:36:16,037 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:36:15" (1/3) ...
[2024-12-05 09:36:16,037 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de07038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:36:16, skipping insertion in model container
[2024-12-05 09:36:16,038 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:36:15" (2/3) ...
[2024-12-05 09:36:16,038 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de07038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:36:16, skipping insertion in model container
[2024-12-05 09:36:16,038 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:36:16" (3/3) ...
[2024-12-05 09:36:16,039 INFO  L128   eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c
[2024-12-05 09:36:16,055 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 09:36:16,056 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-trans.wvr.c that has 4 procedures, 20 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-05 09:36:16,056 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 09:36:16,114 INFO  L143    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-12-05 09:36:16,160 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:36:16,160 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 09:36:16,160 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:36:16,163 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 09:36:16,164 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 09:36:16,229 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:36:16,243 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 09:36:16,249 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=PARTIAL_ORDER_FA, 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;@1e801ed1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:36:16,250 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-05 09:36:16,685 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-05 09:36:16,685 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:36:16,685 INFO  L139   ounterexampleChecker]: Examining path program with hash 2017615051, occurence #1
[2024-12-05 09:36:16,685 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:36:16,686 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:36:16,689 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:36:16,689 INFO  L85        PathProgramCache]: Analyzing trace with hash -1773525184, now seen corresponding path program 1 times
[2024-12-05 09:36:16,695 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:36:16,695 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256089262]
[2024-12-05 09:36:16,696 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:36:16,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:36:16,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:36:17,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:36:17,575 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:36:17,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256089262]
[2024-12-05 09:36:17,576 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256089262] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:36:17,576 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:36:17,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-05 09:36:17,577 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374691008]
[2024-12-05 09:36:17,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:36:17,581 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-05 09:36:17,581 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:36:17,597 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 09:36:17,597 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-05 09:36:17,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:36:17,599 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:36:17,600 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:36:17,600 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:36:18,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-05 09:36:18,225 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-12-05 09:36:18,225 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-12-05 09:36:18,225 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-05 09:36:18,226 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-12-05 09:36:18,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 09:36:18,232 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-12-05 09:36:18,235 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 09:36:18,236 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 09:36:18,248 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 09:36:18,249 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:36:18 BasicIcfg
[2024-12-05 09:36:18,249 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 09:36:18,249 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 09:36:18,249 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-05 09:36:18,250 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-05 09:36:18,250 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:36:16" (3/4) ...
[2024-12-05 09:36:18,253 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-05 09:36:18,256 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-12-05 09:36:18,256 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-12-05 09:36:18,256 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-12-05 09:36:18,260 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges
[2024-12-05 09:36:18,261 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-12-05 09:36:18,261 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-05 09:36:18,261 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-05 09:36:18,335 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 09:36:18,335 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 09:36:18,335 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 09:36:18,336 INFO  L158              Benchmark]: Toolchain (without parser) took 3192.92ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 118.7MB in the beginning and 200.3MB in the end (delta: -81.7MB). Peak memory consumption was 176.5MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,337 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:36:18,337 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 191.67ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,337 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.93ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:36:18,337 INFO  L158              Benchmark]: Boogie Preprocessor took 17.50ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,338 INFO  L158              Benchmark]: RCFGBuilder took 643.75ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 99.6MB in the end (delta: 4.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,338 INFO  L158              Benchmark]: TraceAbstraction took 2216.18ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 99.0MB in the beginning and 206.0MB in the end (delta: -107.0MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,338 INFO  L158              Benchmark]: Witness Printer took 85.86ms. Allocated memory is still 402.7MB. Free memory was 205.1MB in the beginning and 200.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 09:36:18,340 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 191.67ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.93ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 104.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 17.50ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 643.75ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 99.6MB in the end (delta: 4.3MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2216.18ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 99.0MB in the beginning and 206.0MB in the end (delta: -107.0MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB.
 * Witness Printer took 85.86ms. Allocated memory is still 402.7MB. Free memory was 205.1MB in the beginning and 200.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 810, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 24, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 810, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 0
  - PositiveResult [Line: 80]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-05 09:36:18,357 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100420f9-de03-49d8-a869-eb42ae24b0d9/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE