./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/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_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 09:26:00,761 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-05 09:26:00,814 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf
[2024-12-05 09:26:00,818 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 09:26:00,818 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 09:26:00,837 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 09:26:00,837 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 09:26:00,837 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 09:26:00,838 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 09:26:00,838 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 09:26:00,838 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 09:26:00,838 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-05 09:26:00,839 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-12-05 09:26:00,839 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-05 09:26:00,840 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:26:00,840 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 09:26:00,840 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 09:26:00,841 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 09:26:00,841 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_e48a3efb-58da-4299-9719-adcfedd52391/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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03
[2024-12-05 09:26:01,040 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 09:26:01,048 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 09:26:01,050 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 09:26:01,051 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-05 09:26:01,051 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-05 09:26:01,053 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/pthread/stateful01-1.i
[2024-12-05 09:26:03,668 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/f78467227/2221e3c70b9e462da132277ee5d2c1c7/FLAG6f044b6a7
[2024-12-05 09:26:03,929 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-05 09:26:03,930 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/sv-benchmarks/c/pthread/stateful01-1.i
[2024-12-05 09:26:03,943 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/f78467227/2221e3c70b9e462da132277ee5d2c1c7/FLAG6f044b6a7
[2024-12-05 09:26:04,240 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/f78467227/2221e3c70b9e462da132277ee5d2c1c7
[2024-12-05 09:26:04,242 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 09:26:04,243 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 09:26:04,244 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 09:26:04,244 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 09:26:04,247 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 09:26:04,247 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,248 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2808b7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04, skipping insertion in model container
[2024-12-05 09:26:04,248 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,273 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-05 09:26:04,521 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:26:04,536 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-05 09:26:04,572 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:26:04,605 INFO  L204         MainTranslator]: Completed translation
[2024-12-05 09:26:04,606 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04 WrapperNode
[2024-12-05 09:26:04,606 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 09:26:04,607 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 09:26:04,607 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 09:26:04,607 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 09:26:04,614 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,624 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,641 INFO  L138                Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52
[2024-12-05 09:26:04,641 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 09:26:04,642 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 09:26:04,642 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 09:26:04,642 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 09:26:04,648 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,648 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,651 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,651 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,656 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,657 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,659 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,660 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,661 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,663 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 09:26:04,664 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 09:26:04,664 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 09:26:04,664 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-05 09:26:04,665 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (1/1) ...
[2024-12-05 09:26:04,670 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:26:04,682 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:04,694 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 09:26:04,697 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-12-05 09:26:04,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-12-05 09:26:04,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-05 09:26:04,720 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 09:26:04,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 09:26:04,721 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 09:26:04,812 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-05 09:26:04,813 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 09:26:04,970 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 09:26:04,970 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-05 09:26:05,086 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 09:26:05,086 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-05 09:26:05,087 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:05 BoogieIcfgContainer
[2024-12-05 09:26:05,087 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 09:26:05,089 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 09:26:05,089 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 09:26:05,094 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-05 09:26:05,094 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:26:04" (1/3) ...
[2024-12-05 09:26:05,094 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54de3edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:26:05, skipping insertion in model container
[2024-12-05 09:26:05,094 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:04" (2/3) ...
[2024-12-05 09:26:05,095 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54de3edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:26:05, skipping insertion in model container
[2024-12-05 09:26:05,095 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:05" (3/3) ...
[2024-12-05 09:26:05,096 INFO  L128   eAbstractionObserver]: Analyzing ICFG stateful01-1.i
[2024-12-05 09:26:05,111 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 09:26:05,113 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG stateful01-1.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-05 09:26:05,113 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 09:26:05,166 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-05 09:26:05,211 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:26:05,211 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 09:26:05,211 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:05,214 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 09:26:05,215 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 09:26:05,283 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:26:05,294 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 09:26:05,302 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=None, 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;@6791112e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:26:05,302 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-05 09:26:05,431 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-05 09:26:05,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:26:05,436 INFO  L85        PathProgramCache]: Analyzing trace with hash -1838787355, now seen corresponding path program 1 times
[2024-12-05 09:26:05,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:26:05,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859007838]
[2024-12-05 09:26:05,443 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:26:05,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:26:05,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:26:05,689 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 09:26:05,690 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:26:05,690 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859007838]
[2024-12-05 09:26:05,690 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859007838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:26:05,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:26:05,691 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-05 09:26:05,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142747794]
[2024-12-05 09:26:05,693 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:26:05,696 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:26:05,696 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:26:05,711 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:26:05,711 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:26:05,711 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:26:05,714 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:26:05,715 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 09:26:05,715 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:26:05,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:26:05,773 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 09:26:05,773 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-05 09:26:05,774 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:26:05,774 INFO  L85        PathProgramCache]: Analyzing trace with hash -1838786170, now seen corresponding path program 1 times
[2024-12-05 09:26:05,774 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:26:05,774 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640108983]
[2024-12-05 09:26:05,774 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:26:05,774 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:26:05,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-05 09:26:05,810 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-05 09:26:05,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-05 09:26:05,854 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-05 09:26:05,854 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-12-05 09:26:05,856 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-12-05 09:26:05,857 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-12-05 09:26:05,858 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-05 09:26:05,858 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-12-05 09:26:05,858 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 09:26:05,862 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-05 09:26:05,897 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 09:26:05,897 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 09:26:05,910 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 09:26:05,911 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:26:05 BasicIcfg
[2024-12-05 09:26:05,911 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 09:26:05,911 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 09:26:05,911 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-05 09:26:05,912 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-05 09:26:05,912 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:05" (3/4) ...
[2024-12-05 09:26:05,915 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-12-05 09:26:05,915 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 09:26:05,916 INFO  L158              Benchmark]: Toolchain (without parser) took 1673.20ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 41.3MB in the end (delta: 50.0MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB.
[2024-12-05 09:26:05,917 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:05,917 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 362.69ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.3MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-05 09:26:05,917 INFO  L158              Benchmark]: Boogie Procedure Inliner took 34.41ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:05,918 INFO  L158              Benchmark]: Boogie Preprocessor took 21.23ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:05,918 INFO  L158              Benchmark]: RCFGBuilder took 422.92ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 43.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-05 09:26:05,918 INFO  L158              Benchmark]: TraceAbstraction took 822.05ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 41.3MB in the end (delta: 980.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:05,918 INFO  L158              Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 117.4MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:05,920 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 362.69ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.3MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 34.41ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.23ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 422.92ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 43.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 822.05ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 41.3MB in the end (delta: 980.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 4.21ms. Allocated memory is still 117.4MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 28, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 30, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: 
  - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 20. 
Possible FailurePath: 
[L692]               0  pthread_mutex_t ma, mb;
[L693]               0  int data1, data2;
[L716]               0  pthread_t t1, t2;
[L719]               0  data1 = 10
[L720]               0  data2 = 10
[L721]  FCALL, FORK  0  pthread_create(&t1, 0, thread1, 0)
        VAL             [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-2]
[L722]  FCALL, FORK  0  pthread_create(&t2, 0, thread2, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-2, t2=-1]
[L697]               1  data1++
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}]
[L700]               1  data2++
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}]
[L702]               1  return 0;
[L723]  FCALL, JOIN  1  pthread_join(t1, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=-2, t2=-1]
[L707]               2  data1+=5
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}]
[L710]               2  data2-=6
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]
[L712]               2  return 0;
[L724]  FCALL, JOIN  2  pthread_join(t2, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-2, t2=-1]
[L725]  COND TRUE    0  data1==16 && data2==5
[L727]  CALL         0  reach_error()
[L20]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]
[L20]                0  __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]

  - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 3, 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, 0.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-05 09:26:05,938 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/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_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 09:26:07,934 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-05 09:26:08,020 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf
[2024-12-05 09:26:08,025 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 09:26:08,025 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 09:26:08,045 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 09:26:08,045 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 09:26:08,046 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 09:26:08,046 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 09:26:08,046 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 09:26:08,046 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-05 09:26:08,047 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-12-05 09:26:08,047 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-05 09:26:08,048 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 09:26:08,048 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:26:08,049 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 09:26:08,049 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 09:26:08,050 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 09:26:08,050 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_e48a3efb-58da-4299-9719-adcfedd52391/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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03
[2024-12-05 09:26:08,272 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 09:26:08,279 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 09:26:08,281 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 09:26:08,282 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-05 09:26:08,282 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-05 09:26:08,283 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/pthread/stateful01-1.i
[2024-12-05 09:26:10,899 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/34cbc0e4a/a1b03afeabbf47d8ba531b4a4fed2efc/FLAGa0be0bb9a
[2024-12-05 09:26:11,158 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-05 09:26:11,159 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/sv-benchmarks/c/pthread/stateful01-1.i
[2024-12-05 09:26:11,173 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/34cbc0e4a/a1b03afeabbf47d8ba531b4a4fed2efc/FLAGa0be0bb9a
[2024-12-05 09:26:11,485 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/data/34cbc0e4a/a1b03afeabbf47d8ba531b4a4fed2efc
[2024-12-05 09:26:11,487 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 09:26:11,488 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 09:26:11,489 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 09:26:11,489 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 09:26:11,493 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 09:26:11,494 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,495 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797b86b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11, skipping insertion in model container
[2024-12-05 09:26:11,495 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,521 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-05 09:26:11,743 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:26:11,758 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-05 09:26:11,796 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:26:11,828 INFO  L204         MainTranslator]: Completed translation
[2024-12-05 09:26:11,829 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11 WrapperNode
[2024-12-05 09:26:11,829 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 09:26:11,830 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 09:26:11,830 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 09:26:11,830 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 09:26:11,835 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,848 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,864 INFO  L138                Inliner]: procedures = 172, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53
[2024-12-05 09:26:11,864 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 09:26:11,865 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 09:26:11,865 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 09:26:11,865 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 09:26:11,871 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,871 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,874 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,874 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,881 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,882 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,884 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,886 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,887 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,889 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 09:26:11,890 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 09:26:11,890 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 09:26:11,890 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-05 09:26:11,891 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (1/1) ...
[2024-12-05 09:26:11,897 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:26:11,906 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:11,917 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 09:26:11,919 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-12-05 09:26:11,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-12-05 09:26:11,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-05 09:26:11,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 09:26:11,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 09:26:11,939 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 09:26:12,047 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-05 09:26:12,048 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 09:26:12,228 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 09:26:12,228 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-05 09:26:12,393 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 09:26:12,393 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-05 09:26:12,394 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:12 BoogieIcfgContainer
[2024-12-05 09:26:12,394 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 09:26:12,396 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 09:26:12,397 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 09:26:12,400 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-05 09:26:12,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:26:11" (1/3) ...
[2024-12-05 09:26:12,401 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324cd0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:26:12, skipping insertion in model container
[2024-12-05 09:26:12,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:11" (2/3) ...
[2024-12-05 09:26:12,401 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324cd0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:26:12, skipping insertion in model container
[2024-12-05 09:26:12,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:12" (3/3) ...
[2024-12-05 09:26:12,403 INFO  L128   eAbstractionObserver]: Analyzing ICFG stateful01-1.i
[2024-12-05 09:26:12,414 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 09:26:12,415 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG stateful01-1.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-05 09:26:12,415 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 09:26:12,456 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-05 09:26:12,496 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:26:12,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 09:26:12,496 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:12,498 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 09:26:12,500 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 09:26:12,567 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:26:12,575 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 09:26:12,581 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=None, 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;@643069ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:26:12,581 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-05 09:26:12,710 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-05 09:26:12,714 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:26:12,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -647255963, now seen corresponding path program 1 times
[2024-12-05 09:26:12,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-05 09:26:12,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2022921905]
[2024-12-05 09:26:12,723 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:26:12,724 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 09:26:12,724 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:12,728 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 09:26:12,730 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-05 09:26:12,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:26:12,834 INFO  L256         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-05 09:26:12,837 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 09:26:12,911 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 09:26:12,911 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-05 09:26:12,911 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-05 09:26:12,912 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022921905]
[2024-12-05 09:26:12,912 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022921905] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:26:12,912 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:26:12,912 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-05 09:26:12,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403820865]
[2024-12-05 09:26:12,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:26:12,917 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:26:12,917 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-05 09:26:12,933 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:26:12,933 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:26:12,934 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:26:12,936 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:26:12,938 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 09:26:12,938 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:26:13,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:26:13,026 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-05 09:26:13,219 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 09:26:13,219 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-05 09:26:13,220 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:26:13,220 INFO  L85        PathProgramCache]: Analyzing trace with hash -647254778, now seen corresponding path program 1 times
[2024-12-05 09:26:13,221 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-05 09:26:13,221 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037324152]
[2024-12-05 09:26:13,221 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:26:13,221 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 09:26:13,221 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:26:13,223 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 09:26:13,223 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-05 09:26:13,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-05 09:26:13,314 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-05 09:26:13,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-05 09:26:13,371 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-05 09:26:13,371 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-12-05 09:26:13,372 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-12-05 09:26:13,374 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-12-05 09:26:13,374 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-05 09:26:13,374 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-12-05 09:26:13,381 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-05 09:26:13,575 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 09:26:13,578 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-05 09:26:13,611 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 09:26:13,611 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 09:26:13,621 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-12-05 09:26:13,622 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:26:13 BasicIcfg
[2024-12-05 09:26:13,622 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 09:26:13,622 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 09:26:13,623 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-05 09:26:13,623 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-05 09:26:13,623 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:12" (3/4) ...
[2024-12-05 09:26:13,625 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-12-05 09:26:13,626 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 09:26:13,626 INFO  L158              Benchmark]: Toolchain (without parser) took 2138.35ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 48.6MB in the end (delta: 20.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,627 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:13,627 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 340.07ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 47.9MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,627 INFO  L158              Benchmark]: Boogie Procedure Inliner took 34.68ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,627 INFO  L158              Benchmark]: Boogie Preprocessor took 24.46ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:26:13,628 INFO  L158              Benchmark]: RCFGBuilder took 503.93ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 65.4MB in the end (delta: -20.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,628 INFO  L158              Benchmark]: TraceAbstraction took 1225.57ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 49.0MB in the end (delta: 16.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,628 INFO  L158              Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 23.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 09:26:13,630 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 340.07ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 47.9MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 34.68ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 24.46ms. Allocated memory is still 92.3MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 503.93ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 65.4MB in the end (delta: -20.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1225.57ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 49.0MB in the end (delta: 16.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
 * Witness Printer took 3.29ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 23.1kB). 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: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 28, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 30, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 30, independent unconditional: 500, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 534, independent: 530, independent conditional: 0, independent unconditional: 530, 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: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: 
  - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 20. 
Possible FailurePath: 
[L692]               0  pthread_mutex_t ma, mb;
[L693]               0  int data1, data2;
[L716]               0  pthread_t t1, t2;
[L719]               0  data1 = 10
[L720]               0  data2 = 10
[L721]  FCALL, FORK  0  pthread_create(&t1, 0, thread1, 0)
        VAL             [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-1]
[L722]  FCALL, FORK  0  pthread_create(&t2, 0, thread2, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-1, t2=0]
[L697]               1  data1++
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}]
[L700]               1  data2++
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}]
[L702]               1  return 0;
[L723]  FCALL, JOIN  1  pthread_join(t1, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=-1, t2=0]
[L707]               2  data1+=5
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}]
[L710]               2  data2-=6
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]
[L712]               2  return 0;
[L724]  FCALL, JOIN  2  pthread_join(t2, 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-1, t2=0]
[L725]  COND TRUE    0  data1==16 && data2==5
[L727]  CALL         0  reach_error()
[L20]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]
[L20]                0  __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}]

  - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 3, 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, 0.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 2 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: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-05 09:26:13,645 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48a3efb-58da-4299-9719-adcfedd52391/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:
UNKNOWN: Overapproximated counterexample