./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 16:01:58,853 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 16:01:58,947 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-13 16:01:58,951 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 16:01:58,955 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 16:01:58,992 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 16:01:58,992 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 16:01:58,993 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 16:01:58,993 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 16:01:58,993 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 16:01:58,994 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 16:01:58,994 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 16:01:58,994 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 16:01:58,994 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 16:01:58,994 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 16:01:58,994 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 16:01:58,995 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 16:01:58,996 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:01:58,996 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 16:01:58,996 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 16:01:58,997 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 16:01:58,997 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 16:01:58,997 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 16:01:58,997 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 16:01:58,997 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd
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 ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580
[2024-11-13 16:01:59,310 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 16:01:59,322 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 16:01:59,325 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 16:01:59,326 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 16:01:59,327 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 16:01:59,328 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
Unable to find full path for "g++"
[2024-11-13 16:02:01,221 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 16:02:01,489 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 16:02:01,490 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
[2024-11-13 16:02:01,503 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/data/07c46a4c9/0bc04e34934a42b585adfb33272a5463/FLAGdb41a9c79
[2024-11-13 16:02:01,792 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/data/07c46a4c9/0bc04e34934a42b585adfb33272a5463
[2024-11-13 16:02:01,794 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 16:02:01,795 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 16:02:01,797 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:01,797 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 16:02:01,801 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 16:02:01,802 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:01" (1/1) ...
[2024-11-13 16:02:01,802 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d22c492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:01, skipping insertion in model container
[2024-11-13 16:02:01,803 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:01" (1/1) ...
[2024-11-13 16:02:01,852 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 16:02:02,303 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:02,410 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 16:02:02,478 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:02,559 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 16:02:02,560 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02 WrapperNode
[2024-11-13 16:02:02,560 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:02,561 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:02,561 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 16:02:02,561 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 16:02:02,569 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,609 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,723 INFO  L138                Inliner]: procedures = 174, calls = 42, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 2096
[2024-11-13 16:02:02,727 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:02,728 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 16:02:02,728 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 16:02:02,728 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 16:02:02,744 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,745 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,767 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,767 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,866 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,903 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,913 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,925 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,950 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 16:02:02,952 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 16:02:02,952 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 16:02:02,953 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 16:02:02,954 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (1/1) ...
[2024-11-13 16:02:02,965 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:02:02,986 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:02,999 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 16:02:03,030 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_907c2997-3d6f-4428-8453-4e47a290746c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 16:02:03,056 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2024-11-13 16:02:03,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2024-11-13 16:02:03,056 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-13 16:02:03,056 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-13 16:02:03,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 16:02:03,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 16:02:03,059 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-13 16:02:03,248 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 16:02:03,250 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 16:02:06,099 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-13 16:02:06,101 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 16:02:06,329 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 16:02:06,332 INFO  L316             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-13 16:02:06,332 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:06 BoogieIcfgContainer
[2024-11-13 16:02:06,332 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 16:02:06,335 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 16:02:06,337 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 16:02:06,342 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 16:02:06,342 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:01" (1/3) ...
[2024-11-13 16:02:06,343 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7addcad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:06, skipping insertion in model container
[2024-11-13 16:02:06,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:02" (2/3) ...
[2024-11-13 16:02:06,344 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7addcad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:06, skipping insertion in model container
[2024-11-13 16:02:06,345 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:06" (3/3) ...
[2024-11-13 16:02:06,346 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack_longest-2.i
[2024-11-13 16:02:06,365 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 16:02:06,368 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG 25_stack_longest-2.i that has 2 procedures, 2077 locations, 1 initial locations, 2 loop locations, and 12 error locations.
[2024-11-13 16:02:06,368 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-13 16:02:06,561 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-13 16:02:06,666 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2080 places, 2084 transitions, 4172 flow
[2024-11-13 16:02:08,240 INFO  L124   PetriNetUnfolderBase]: 8/2093 cut-off events.
[2024-11-13 16:02:08,243 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-13 16:02:08,251 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 2093 events. 8/2093 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 180 event pairs, 0 based on Foata normal form. 0/2071 useless extension candidates. Maximal degree in co-relation 1962. Up to 4 conditions per place. 
[2024-11-13 16:02:08,252 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2080 places, 2084 transitions, 4172 flow
[2024-11-13 16:02:08,273 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2080 places, 2084 transitions, 4172 flow
[2024-11-13 16:02:08,289 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 16:02:08,309 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12e43293, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 16:02:08,309 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-13 16:02:09,726 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-13 16:02:09,727 INFO  L124   PetriNetUnfolderBase]: 2/1974 cut-off events.
[2024-11-13 16:02:09,727 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-13 16:02:09,728 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:09,731 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:09,732 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-13 16:02:09,739 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:09,741 INFO  L85        PathProgramCache]: Analyzing trace with hash 77316861, now seen corresponding path program 1 times
[2024-11-13 16:02:09,751 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:09,752 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918410265]
[2024-11-13 16:02:09,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:09,754 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:11,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:15,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:15,576 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:15,576 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918410265]
[2024-11-13 16:02:15,578 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918410265] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:15,578 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:15,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:15,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900494324]
[2024-11-13 16:02:15,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:15,680 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:15,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:15,721 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:15,721 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:15,760 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2064 out of 2084
[2024-11-13 16:02:15,783 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2080 places, 2084 transitions, 4172 flow. Second operand  has 3 states, 3 states have (on average 2065.3333333333335) internal successors, (6196), 3 states have internal predecessors, (6196), 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)
[2024-11-13 16:02:15,783 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-13 16:02:15,784 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2064 of 2084
[2024-11-13 16:02:15,786 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-13 16:02:17,260 INFO  L124   PetriNetUnfolderBase]: 6/2168 cut-off events.
[2024-11-13 16:02:17,261 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-13 16:02:17,263 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2194 conditions, 2168 events. 6/2168 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 457 event pairs, 0 based on Foata normal form. 22/2167 useless extension candidates. Maximal degree in co-relation 229. Up to 12 conditions per place. 
[2024-11-13 16:02:17,270 INFO  L140   encePairwiseOnDemand]: 2075/2084 looper letters, 19 selfloop transitions, 2 changer transitions 0/2081 dead transitions.
[2024-11-13 16:02:17,271 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2074 places, 2081 transitions, 4208 flow
[2024-11-13 16:02:17,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-13 16:02:17,275 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-13 16:02:17,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6226 transitions.
[2024-11-13 16:02:17,312 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9958413307741523
[2024-11-13 16:02:17,315 INFO  L175             Difference]: Start difference. First operand has 2080 places, 2084 transitions, 4172 flow. Second operand 3 states and 6226 transitions.
[2024-11-13 16:02:17,316 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2074 places, 2081 transitions, 4208 flow
[2024-11-13 16:02:17,338 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2074 places, 2081 transitions, 4208 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-13 16:02:17,373 INFO  L231             Difference]: Finished difference. Result has 2074 places, 2073 transitions, 4154 flow
[2024-11-13 16:02:17,379 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2084, PETRI_DIFFERENCE_MINUEND_FLOW=4150, PETRI_DIFFERENCE_MINUEND_PLACES=2072, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2071, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4154, PETRI_PLACES=2074, PETRI_TRANSITIONS=2073}
[2024-11-13 16:02:17,384 INFO  L277   CegarLoopForPetriNet]: 2080 programPoint places, -6 predicate places.
[2024-11-13 16:02:17,384 INFO  L471      AbstractCegarLoop]: Abstraction has has 2074 places, 2073 transitions, 4154 flow
[2024-11-13 16:02:17,389 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2065.3333333333335) internal successors, (6196), 3 states have internal predecessors, (6196), 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)
[2024-11-13 16:02:17,390 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:17,391 INFO  L204   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:17,392 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 16:02:17,393 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-13 16:02:17,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:17,395 INFO  L85        PathProgramCache]: Analyzing trace with hash -229588759, now seen corresponding path program 1 times
[2024-11-13 16:02:17,396 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:17,396 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632638848]
[2024-11-13 16:02:17,396 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:17,397 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:20,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 16:02:20,250 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 16:02:22,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 16:02:24,105 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-13 16:02:24,105 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-13 16:02:24,107 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-11-13 16:02:24,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining)
[2024-11-13 16:02:24,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining)
[2024-11-13 16:02:24,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining)
[2024-11-13 16:02:24,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining)
[2024-11-13 16:02:24,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining)
[2024-11-13 16:02:24,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining)
[2024-11-13 16:02:24,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining)
[2024-11-13 16:02:24,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining)
[2024-11-13 16:02:24,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining)
[2024-11-13 16:02:24,114 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 16:02:24,114 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-13 16:02:24,118 WARN  L247   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-13 16:02:24,118 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-13 16:02:24,406 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-13 16:02:24,436 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2195 places, 2203 transitions, 4416 flow
[2024-11-13 16:02:25,872 INFO  L124   PetriNetUnfolderBase]: 15/2223 cut-off events.
[2024-11-13 16:02:25,872 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-13 16:02:25,880 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2231 conditions, 2223 events. 15/2223 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 768 event pairs, 0 based on Foata normal form. 0/2181 useless extension candidates. Maximal degree in co-relation 2094. Up to 6 conditions per place. 
[2024-11-13 16:02:25,880 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2195 places, 2203 transitions, 4416 flow
[2024-11-13 16:02:25,896 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2195 places, 2203 transitions, 4416 flow
[2024-11-13 16:02:25,898 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 16:02:25,900 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12e43293, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 16:02:25,901 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-11-13 16:02:26,594 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-13 16:02:26,594 INFO  L124   PetriNetUnfolderBase]: 2/1974 cut-off events.
[2024-11-13 16:02:26,595 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-13 16:02:26,595 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:26,596 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-13 16:02:26,597 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-13 16:02:26,597 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:26,598 INFO  L85        PathProgramCache]: Analyzing trace with hash -543496, now seen corresponding path program 1 times
[2024-11-13 16:02:26,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:26,599 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886086132]
[2024-11-13 16:02:26,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:26,600 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:27,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:30,863 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:30,863 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:30,864 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886086132]
[2024-11-13 16:02:30,864 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886086132] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:30,864 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:30,864 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:30,864 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045821095]
[2024-11-13 16:02:30,864 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:30,871 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:30,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:30,876 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:30,876 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:30,915 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2165 out of 2203
[2024-11-13 16:02:30,926 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2195 places, 2203 transitions, 4416 flow. Second operand  has 3 states, 3 states have (on average 2166.3333333333335) internal successors, (6499), 3 states have internal predecessors, (6499), 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)
[2024-11-13 16:02:30,926 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-13 16:02:30,926 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2165 of 2203
[2024-11-13 16:02:30,926 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-13 16:02:34,620 INFO  L124   PetriNetUnfolderBase]: 443/5842 cut-off events.
[2024-11-13 16:02:34,620 INFO  L125   PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-13 16:02:34,646 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6608 conditions, 5842 events. 443/5842 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 35328 event pairs, 128 based on Foata normal form. 395/5778 useless extension candidates. Maximal degree in co-relation 4319. Up to 356 conditions per place. 
[2024-11-13 16:02:34,665 INFO  L140   encePairwiseOnDemand]: 2185/2203 looper letters, 47 selfloop transitions, 6 changer transitions 0/2213 dead transitions.
[2024-11-13 16:02:34,666 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2187 places, 2213 transitions, 4547 flow
[2024-11-13 16:02:34,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-13 16:02:34,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-13 16:02:34,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6570 transitions.
[2024-11-13 16:02:34,680 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.994098955969133
[2024-11-13 16:02:34,680 INFO  L175             Difference]: Start difference. First operand has 2195 places, 2203 transitions, 4416 flow. Second operand 3 states and 6570 transitions.
[2024-11-13 16:02:34,680 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2187 places, 2213 transitions, 4547 flow
[2024-11-13 16:02:34,692 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2187 places, 2213 transitions, 4547 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-13 16:02:34,718 INFO  L231             Difference]: Finished difference. Result has 2189 places, 2194 transitions, 4438 flow
[2024-11-13 16:02:34,721 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=4386, PETRI_DIFFERENCE_MINUEND_PLACES=2185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4438, PETRI_PLACES=2189, PETRI_TRANSITIONS=2194}
[2024-11-13 16:02:34,722 INFO  L277   CegarLoopForPetriNet]: 2195 programPoint places, -6 predicate places.
[2024-11-13 16:02:34,722 INFO  L471      AbstractCegarLoop]: Abstraction has has 2189 places, 2194 transitions, 4438 flow
[2024-11-13 16:02:34,726 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2166.3333333333335) internal successors, (6499), 3 states have internal predecessors, (6499), 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)
[2024-11-13 16:02:34,726 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:34,728 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:34,728 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 16:02:34,728 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-13 16:02:34,729 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:34,729 INFO  L85        PathProgramCache]: Analyzing trace with hash 150166657, now seen corresponding path program 1 times
[2024-11-13 16:02:34,729 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:34,730 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980961728]
[2024-11-13 16:02:34,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:34,730 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:35,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:37,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:37,212 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:37,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980961728]
[2024-11-13 16:02:37,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980961728] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:37,212 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:37,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:37,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243202586]
[2024-11-13 16:02:37,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:37,215 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:37,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:37,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:37,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:37,254 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2163 out of 2203
[2024-11-13 16:02:37,263 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2189 places, 2194 transitions, 4438 flow. Second operand  has 3 states, 3 states have (on average 2165.0) internal successors, (6495), 3 states have internal predecessors, (6495), 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)
[2024-11-13 16:02:37,263 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-13 16:02:37,263 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2163 of 2203
[2024-11-13 16:02:37,264 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-13 16:02:40,631 INFO  L124   PetriNetUnfolderBase]: 658/6678 cut-off events.
[2024-11-13 16:02:40,631 INFO  L125   PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-13 16:02:40,648 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 7932 conditions, 6678 events. 658/6678 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 44727 event pairs, 306 based on Foata normal form. 0/6129 useless extension candidates. Maximal degree in co-relation 5607. Up to 972 conditions per place. 
[2024-11-13 16:02:40,674 INFO  L140   encePairwiseOnDemand]: 2195/2203 looper letters, 37 selfloop transitions, 7 changer transitions 0/2208 dead transitions.
[2024-11-13 16:02:40,674 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2191 places, 2208 transitions, 4559 flow
[2024-11-13 16:02:40,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-13 16:02:40,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-13 16:02:40,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6534 transitions.
[2024-11-13 16:02:40,691 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9886518384021789
[2024-11-13 16:02:40,691 INFO  L175             Difference]: Start difference. First operand has 2189 places, 2194 transitions, 4438 flow. Second operand 3 states and 6534 transitions.
[2024-11-13 16:02:40,691 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2191 places, 2208 transitions, 4559 flow
[2024-11-13 16:02:40,708 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2189 places, 2208 transitions, 4547 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-13 16:02:40,738 INFO  L231             Difference]: Finished difference. Result has 2191 places, 2200 transitions, 4480 flow
[2024-11-13 16:02:40,741 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=4426, PETRI_DIFFERENCE_MINUEND_PLACES=2187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4480, PETRI_PLACES=2191, PETRI_TRANSITIONS=2200}
[2024-11-13 16:02:40,744 INFO  L277   CegarLoopForPetriNet]: 2195 programPoint places, -4 predicate places.
[2024-11-13 16:02:40,744 INFO  L471      AbstractCegarLoop]: Abstraction has has 2191 places, 2200 transitions, 4480 flow
[2024-11-13 16:02:40,748 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2165.0) internal successors, (6495), 3 states have internal predecessors, (6495), 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)
[2024-11-13 16:02:40,748 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:40,750 INFO  L204   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:40,750 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 16:02:40,751 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-13 16:02:40,751 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:40,752 INFO  L85        PathProgramCache]: Analyzing trace with hash -1546703372, now seen corresponding path program 1 times
[2024-11-13 16:02:40,752 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:40,752 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511392817]
[2024-11-13 16:02:40,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:40,753 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:43,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 16:02:43,046 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 16:02:44,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 16:02:46,169 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-13 16:02:46,169 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-13 16:02:46,169 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining)
[2024-11-13 16:02:46,170 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining)
[2024-11-13 16:02:46,171 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining)
[2024-11-13 16:02:46,171 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining)
[2024-11-13 16:02:46,171 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining)
[2024-11-13 16:02:46,171 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining)
[2024-11-13 16:02:46,171 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining)
[2024-11-13 16:02:46,172 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining)
[2024-11-13 16:02:46,173 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining)
[2024-11-13 16:02:46,174 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining)
[2024-11-13 16:02:46,174 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining)
[2024-11-13 16:02:46,174 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining)
[2024-11-13 16:02:46,174 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining)
[2024-11-13 16:02:46,174 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining)
[2024-11-13 16:02:46,174 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 16:02:46,175 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-13 16:02:46,175 WARN  L247   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-13 16:02:46,176 INFO  L492   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-13 16:02:46,312 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-13 16:02:46,344 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2310 places, 2322 transitions, 4662 flow
[2024-11-13 16:02:47,900 INFO  L124   PetriNetUnfolderBase]: 22/2353 cut-off events.
[2024-11-13 16:02:47,900 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-13 16:02:47,905 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2366 conditions, 2353 events. 22/2353 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1503 event pairs, 0 based on Foata normal form. 0/2291 useless extension candidates. Maximal degree in co-relation 2227. Up to 8 conditions per place. 
[2024-11-13 16:02:47,905 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2310 places, 2322 transitions, 4662 flow
[2024-11-13 16:02:47,918 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2310 places, 2322 transitions, 4662 flow
[2024-11-13 16:02:47,919 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 16:02:47,919 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12e43293, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 16:02:47,919 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 49 error locations.
[2024-11-13 16:02:48,283 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-13 16:02:48,283 INFO  L124   PetriNetUnfolderBase]: 2/1974 cut-off events.
[2024-11-13 16:02:48,283 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-13 16:02:48,283 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-13 16:02:48,284 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-13 16:02:48,284 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-13 16:02:48,284 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:48,285 INFO  L85        PathProgramCache]: Analyzing trace with hash 674848788, now seen corresponding path program 1 times
[2024-11-13 16:02:48,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:48,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815565725]
[2024-11-13 16:02:48,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:48,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:48,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:49,943 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,943 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815565725]
[2024-11-13 16:02:49,943 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815565725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,943 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,944 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:49,944 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563463029]
[2024-11-13 16:02:49,944 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,947 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:49,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:49,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,994 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2266 out of 2322
[2024-11-13 16:02:50,006 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2310 places, 2322 transitions, 4662 flow. Second operand  has 3 states, 3 states have (on average 2267.3333333333335) internal successors, (6802), 3 states have internal predecessors, (6802), 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)
[2024-11-13 16:02:50,006 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-13 16:02:50,006 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2266 of 2322
[2024-11-13 16:02:50,006 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand