./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 551b0097
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-551b009-m
[2025-01-09 21:06:34,488 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-01-09 21:06:34,550 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2025-01-09 21:06:34,555 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-01-09 21:06:34,555 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-01-09 21:06:34,574 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-01-09 21:06:34,575 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-01-09 21:06:34,575 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-01-09 21:06:34,576 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-01-09 21:06:34,576 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-01-09 21:06:34,576 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-01-09 21:06:34,576 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-01-09 21:06:34,577 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-01-09 21:06:34,577 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-01-09 21:06:34,577 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-01-09 21:06:34,577 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-01-09 21:06:34,577 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-01-09 21:06:34,577 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-01-09 21:06:34,578 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-01-09 21:06:34,579 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 21:06:34,579 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 21:06:34,579 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-01-09 21:06:34,579 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-01-09 21:06:34,580 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8
[2025-01-09 21:06:34,852 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-01-09 21:06:34,861 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-01-09 21:06:34,863 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-01-09 21:06:34,865 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-01-09 21:06:34,866 INFO  L274        PluginConnector]: CDTParser initialized
[2025-01-09 21:06:34,867 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i
[2025-01-09 21:06:36,156 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5a06ae9d/0fd43f0373c54ebfb0d793e829c20e0a/FLAG09afa58c8
[2025-01-09 21:06:36,475 INFO  L384              CDTParser]: Found 1 translation units.
[2025-01-09 21:06:36,476 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i
[2025-01-09 21:06:36,486 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5a06ae9d/0fd43f0373c54ebfb0d793e829c20e0a/FLAG09afa58c8
[2025-01-09 21:06:36,502 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5a06ae9d/0fd43f0373c54ebfb0d793e829c20e0a
[2025-01-09 21:06:36,505 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-01-09 21:06:36,506 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-01-09 21:06:36,507 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-01-09 21:06:36,507 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-01-09 21:06:36,511 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-01-09 21:06:36,511 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:36,512 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eed51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36, skipping insertion in model container
[2025-01-09 21:06:36,512 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:36,538 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-01-09 21:06:36,881 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 21:06:36,894 INFO  L200         MainTranslator]: Completed pre-run
[2025-01-09 21:06:36,940 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 21:06:36,976 INFO  L204         MainTranslator]: Completed translation
[2025-01-09 21:06:36,977 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36 WrapperNode
[2025-01-09 21:06:36,979 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-01-09 21:06:36,980 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-01-09 21:06:36,980 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-01-09 21:06:36,981 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-01-09 21:06:36,986 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,009 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,046 INFO  L138                Inliner]: procedures = 172, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 250
[2025-01-09 21:06:37,046 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-01-09 21:06:37,047 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-01-09 21:06:37,047 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-01-09 21:06:37,047 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-01-09 21:06:37,054 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,054 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,058 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,059 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,080 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,086 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,089 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,091 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,092 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,094 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-01-09 21:06:37,099 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-01-09 21:06:37,099 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-01-09 21:06:37,099 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-01-09 21:06:37,100 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (1/1) ...
[2025-01-09 21:06:37,105 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 21:06:37,116 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 21:06:37,126 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-01-09 21:06:37,128 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-01-09 21:06:37,148 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2025-01-09 21:06:37,148 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2025-01-09 21:06:37,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2025-01-09 21:06:37,148 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2025-01-09 21:06:37,148 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2025-01-09 21:06:37,149 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-01-09 21:06:37,149 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-01-09 21:06:37,149 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-01-09 21:06:37,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2025-01-09 21:06:37,150 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2025-01-09 21:06:37,150 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-01-09 21:06:37,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-01-09 21:06:37,152 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2025-01-09 21:06:37,275 INFO  L234             CfgBuilder]: Building ICFG
[2025-01-09 21:06:37,276 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-01-09 21:06:37,692 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2025-01-09 21:06:37,692 INFO  L283             CfgBuilder]: Performing block encoding
[2025-01-09 21:06:37,911 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-01-09 21:06:37,911 INFO  L312             CfgBuilder]: Removed 3 assume(true) statements.
[2025-01-09 21:06:37,912 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:06:37 BoogieIcfgContainer
[2025-01-09 21:06:37,912 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-01-09 21:06:37,914 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-01-09 21:06:37,914 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-01-09 21:06:37,920 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-01-09 21:06:37,920 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:06:36" (1/3) ...
[2025-01-09 21:06:37,921 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a33b456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:06:37, skipping insertion in model container
[2025-01-09 21:06:37,921 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:06:36" (2/3) ...
[2025-01-09 21:06:37,921 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a33b456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:06:37, skipping insertion in model container
[2025-01-09 21:06:37,921 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:06:37" (3/3) ...
[2025-01-09 21:06:37,922 INFO  L128   eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i
[2025-01-09 21:06:37,938 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-01-09 21:06:37,941 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 36_stack_cas_p0_vs_concur.i that has 2 procedures, 187 locations, 1 initial locations, 3 loop locations, and 19 error locations.
[2025-01-09 21:06:37,941 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2025-01-09 21:06:38,039 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-01-09 21:06:38,081 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 190 places, 192 transitions, 388 flow
[2025-01-09 21:06:38,195 INFO  L124   PetriNetUnfolderBase]: 5/199 cut-off events.
[2025-01-09 21:06:38,197 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2025-01-09 21:06:38,203 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 203 conditions, 199 events. 5/199 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 130 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. 
[2025-01-09 21:06:38,204 INFO  L82        GeneralOperation]: Start removeDead. Operand has 190 places, 192 transitions, 388 flow
[2025-01-09 21:06:38,210 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 190 places, 192 transitions, 388 flow
[2025-01-09 21:06:38,220 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 21:06:38,238 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;@7019798d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 21:06:38,238 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 39 error locations.
[2025-01-09 21:06:38,265 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-01-09 21:06:38,267 INFO  L124   PetriNetUnfolderBase]: 0/104 cut-off events.
[2025-01-09 21:06:38,267 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2025-01-09 21:06:38,267 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:38,268 INFO  L206   CegarLoopForPetriNet]: trace histogram [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]
[2025-01-09 21:06:38,269 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2025-01-09 21:06:38,273 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:38,274 INFO  L85        PathProgramCache]: Analyzing trace with hash 92592097, now seen corresponding path program 1 times
[2025-01-09 21:06:38,280 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:38,281 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088201639]
[2025-01-09 21:06:38,282 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:38,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:38,379 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes.
[2025-01-09 21:06:38,445 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements.
[2025-01-09 21:06:38,445 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:38,445 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:38,446 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-01-09 21:06:38,456 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes.
[2025-01-09 21:06:38,511 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements.
[2025-01-09 21:06:38,512 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:38,512 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:38,553 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-01-09 21:06:38,557 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-01-09 21:06:38,559 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 39 remaining)
[2025-01-09 21:06:38,560 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining)
[2025-01-09 21:06:38,560 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining)
[2025-01-09 21:06:38,560 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining)
[2025-01-09 21:06:38,561 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining)
[2025-01-09 21:06:38,562 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining)
[2025-01-09 21:06:38,563 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining)
[2025-01-09 21:06:38,563 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-01-09 21:06:38,564 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2025-01-09 21:06:38,567 WARN  L246   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-01-09 21:06:38,568 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2025-01-09 21:06:38,667 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-01-09 21:06:38,674 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 291 places, 296 transitions, 602 flow
[2025-01-09 21:06:38,768 INFO  L124   PetriNetUnfolderBase]: 10/312 cut-off events.
[2025-01-09 21:06:38,769 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2025-01-09 21:06:38,773 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 320 conditions, 312 events. 10/312 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 550 event pairs, 0 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 215. Up to 3 conditions per place. 
[2025-01-09 21:06:38,773 INFO  L82        GeneralOperation]: Start removeDead. Operand has 291 places, 296 transitions, 602 flow
[2025-01-09 21:06:38,781 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 291 places, 296 transitions, 602 flow
[2025-01-09 21:06:38,783 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 21:06:38,783 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;@7019798d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 21:06:38,783 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 58 error locations.
[2025-01-09 21:06:38,808 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-01-09 21:06:38,808 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-01-09 21:06:38,808 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-01-09 21:06:38,808 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:38,808 INFO  L206   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]
[2025-01-09 21:06:38,809 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2025-01-09 21:06:38,809 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:38,809 INFO  L85        PathProgramCache]: Analyzing trace with hash 1131045177, now seen corresponding path program 1 times
[2025-01-09 21:06:38,810 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:38,810 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359551068]
[2025-01-09 21:06:38,810 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:38,810 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:38,845 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-01-09 21:06:38,926 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-01-09 21:06:38,926 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:38,926 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:06:39,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:06:39,078 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:06:39,079 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359551068]
[2025-01-09 21:06:39,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359551068] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:06:39,079 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:06:39,079 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-01-09 21:06:39,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098056896]
[2025-01-09 21:06:39,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:06:39,085 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-01-09 21:06:39,089 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:06:39,106 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-01-09 21:06:39,107 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-01-09 21:06:39,110 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 255 out of 296
[2025-01-09 21:06:39,116 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 296 transitions, 602 flow. Second operand  has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 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)
[2025-01-09 21:06:39,117 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:06:39,117 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 296
[2025-01-09 21:06:39,119 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-01-09 21:06:39,392 INFO  L124   PetriNetUnfolderBase]: 38/634 cut-off events.
[2025-01-09 21:06:39,392 INFO  L125   PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES.
[2025-01-09 21:06:39,399 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 703 conditions, 634 events. 38/634 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2172 event pairs, 15 based on Foata normal form. 51/618 useless extension candidates. Maximal degree in co-relation 220. Up to 52 conditions per place. 
[2025-01-09 21:06:39,405 INFO  L140   encePairwiseOnDemand]: 265/296 looper letters, 10 selfloop transitions, 0 changer transitions 0/250 dead transitions.
[2025-01-09 21:06:39,405 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 250 transitions, 530 flow
[2025-01-09 21:06:39,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-01-09 21:06:39,409 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-01-09 21:06:39,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 551 transitions.
[2025-01-09 21:06:39,425 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.9307432432432432
[2025-01-09 21:06:39,427 INFO  L175             Difference]: Start difference. First operand has 291 places, 296 transitions, 602 flow. Second operand 2 states and 551 transitions.
[2025-01-09 21:06:39,428 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 250 transitions, 530 flow
[2025-01-09 21:06:39,437 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 250 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-01-09 21:06:39,443 INFO  L231             Difference]: Finished difference. Result has 250 places, 250 transitions, 510 flow
[2025-01-09 21:06:39,446 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=296, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=510, PETRI_PLACES=250, PETRI_TRANSITIONS=250}
[2025-01-09 21:06:39,450 INFO  L279   CegarLoopForPetriNet]: 291 programPoint places, -41 predicate places.
[2025-01-09 21:06:39,450 INFO  L471      AbstractCegarLoop]: Abstraction has has 250 places, 250 transitions, 510 flow
[2025-01-09 21:06:39,450 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 256.0) internal successors, (512), 2 states have internal predecessors, (512), 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)
[2025-01-09 21:06:39,450 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:39,451 INFO  L206   CegarLoopForPetriNet]: trace histogram [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]
[2025-01-09 21:06:39,451 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-01-09 21:06:39,451 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2025-01-09 21:06:39,452 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:39,452 INFO  L85        PathProgramCache]: Analyzing trace with hash -120918675, now seen corresponding path program 1 times
[2025-01-09 21:06:39,452 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:39,453 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187517275]
[2025-01-09 21:06:39,453 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:39,453 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:39,484 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-01-09 21:06:39,516 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-01-09 21:06:39,517 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:39,517 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:39,517 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-01-09 21:06:39,527 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-01-09 21:06:39,548 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-01-09 21:06:39,549 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:39,549 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:39,565 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-01-09 21:06:39,567 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-01-09 21:06:39,567 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining)
[2025-01-09 21:06:39,567 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining)
[2025-01-09 21:06:39,568 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining)
[2025-01-09 21:06:39,569 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining)
[2025-01-09 21:06:39,570 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining)
[2025-01-09 21:06:39,571 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining)
[2025-01-09 21:06:39,571 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining)
[2025-01-09 21:06:39,572 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining)
[2025-01-09 21:06:39,573 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining)
[2025-01-09 21:06:39,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining)
[2025-01-09 21:06:39,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining)
[2025-01-09 21:06:39,576 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining)
[2025-01-09 21:06:39,576 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining)
[2025-01-09 21:06:39,576 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-01-09 21:06:39,576 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2025-01-09 21:06:39,577 WARN  L246   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-01-09 21:06:39,577 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2025-01-09 21:06:39,698 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-01-09 21:06:39,703 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 392 places, 400 transitions, 818 flow
[2025-01-09 21:06:39,775 INFO  L124   PetriNetUnfolderBase]: 15/425 cut-off events.
[2025-01-09 21:06:39,776 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2025-01-09 21:06:39,783 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 438 conditions, 425 events. 15/425 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1172 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 318. Up to 4 conditions per place. 
[2025-01-09 21:06:39,784 INFO  L82        GeneralOperation]: Start removeDead. Operand has 392 places, 400 transitions, 818 flow
[2025-01-09 21:06:39,790 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 392 places, 400 transitions, 818 flow
[2025-01-09 21:06:39,791 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 21:06:39,792 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;@7019798d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 21:06:39,792 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 77 error locations.
[2025-01-09 21:06:39,802 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-01-09 21:06:39,802 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-01-09 21:06:39,802 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-01-09 21:06:39,802 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:39,802 INFO  L206   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]
[2025-01-09 21:06:39,802 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-01-09 21:06:39,803 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:39,803 INFO  L85        PathProgramCache]: Analyzing trace with hash -405482336, now seen corresponding path program 1 times
[2025-01-09 21:06:39,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:39,803 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982575680]
[2025-01-09 21:06:39,803 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:39,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:39,825 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-01-09 21:06:39,838 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-01-09 21:06:39,838 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:39,838 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:06:39,892 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:06:39,893 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:06:39,893 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982575680]
[2025-01-09 21:06:39,893 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982575680] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:06:39,893 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:06:39,893 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-01-09 21:06:39,893 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959757282]
[2025-01-09 21:06:39,893 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:06:39,894 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-01-09 21:06:39,894 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:06:39,894 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-01-09 21:06:39,895 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-01-09 21:06:39,896 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 339 out of 400
[2025-01-09 21:06:39,897 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 400 transitions, 818 flow. Second operand  has 2 states, 2 states have (on average 340.0) internal successors, (680), 2 states have internal predecessors, (680), 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)
[2025-01-09 21:06:39,897 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:06:39,897 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 400
[2025-01-09 21:06:39,898 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-01-09 21:06:40,822 INFO  L124   PetriNetUnfolderBase]: 325/3067 cut-off events.
[2025-01-09 21:06:40,822 INFO  L125   PetriNetUnfolderBase]: For 190/190 co-relation queries the response was YES.
[2025-01-09 21:06:40,856 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3566 conditions, 3067 events. 325/3067 cut-off events. For 190/190 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 23673 event pairs, 178 based on Foata normal form. 343/3054 useless extension candidates. Maximal degree in co-relation 695. Up to 397 conditions per place. 
[2025-01-09 21:06:40,878 INFO  L140   encePairwiseOnDemand]: 354/400 looper letters, 15 selfloop transitions, 0 changer transitions 0/333 dead transitions.
[2025-01-09 21:06:40,878 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 333 transitions, 714 flow
[2025-01-09 21:06:40,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-01-09 21:06:40,879 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-01-09 21:06:40,881 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 739 transitions.
[2025-01-09 21:06:40,882 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.92375
[2025-01-09 21:06:40,882 INFO  L175             Difference]: Start difference. First operand has 392 places, 400 transitions, 818 flow. Second operand 2 states and 739 transitions.
[2025-01-09 21:06:40,882 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 333 transitions, 714 flow
[2025-01-09 21:06:40,886 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 333 transitions, 712 flow, removed 1 selfloop flow, removed 0 redundant places.
[2025-01-09 21:06:40,892 INFO  L231             Difference]: Finished difference. Result has 332 places, 333 transitions, 682 flow
[2025-01-09 21:06:40,894 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=682, PETRI_PLACES=332, PETRI_TRANSITIONS=333}
[2025-01-09 21:06:40,895 INFO  L279   CegarLoopForPetriNet]: 392 programPoint places, -60 predicate places.
[2025-01-09 21:06:40,895 INFO  L471      AbstractCegarLoop]: Abstraction has has 332 places, 333 transitions, 682 flow
[2025-01-09 21:06:40,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 340.0) internal successors, (680), 2 states have internal predecessors, (680), 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)
[2025-01-09 21:06:40,895 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:40,895 INFO  L206   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]
[2025-01-09 21:06:40,896 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-01-09 21:06:40,896 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-01-09 21:06:40,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:40,898 INFO  L85        PathProgramCache]: Analyzing trace with hash -875965783, now seen corresponding path program 1 times
[2025-01-09 21:06:40,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:40,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236317137]
[2025-01-09 21:06:40,898 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:40,898 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:40,931 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes.
[2025-01-09 21:06:40,978 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements.
[2025-01-09 21:06:40,978 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:40,978 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:06:41,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:06:41,818 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:06:41,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236317137]
[2025-01-09 21:06:41,819 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236317137] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:06:41,819 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:06:41,819 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 21:06:41,819 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752224793]
[2025-01-09 21:06:41,819 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:06:41,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-01-09 21:06:41,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:06:41,820 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-01-09 21:06:41,820 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-01-09 21:06:42,653 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400
[2025-01-09 21:06:42,656 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 333 transitions, 682 flow. Second operand  has 6 states, 6 states have (on average 311.5) internal successors, (1869), 6 states have internal predecessors, (1869), 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)
[2025-01-09 21:06:42,656 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:06:42,656 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400
[2025-01-09 21:06:42,656 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-01-09 21:06:46,848 INFO  L124   PetriNetUnfolderBase]: 4022/20944 cut-off events.
[2025-01-09 21:06:46,848 INFO  L125   PetriNetUnfolderBase]: For 1147/1147 co-relation queries the response was YES.
[2025-01-09 21:06:47,037 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 27401 conditions, 20944 events. 4022/20944 cut-off events. For 1147/1147 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 258947 event pairs, 617 based on Foata normal form. 0/18577 useless extension candidates. Maximal degree in co-relation 27395. Up to 3543 conditions per place. 
[2025-01-09 21:06:47,139 INFO  L140   encePairwiseOnDemand]: 371/400 looper letters, 76 selfloop transitions, 37 changer transitions 0/403 dead transitions.
[2025-01-09 21:06:47,139 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 403 transitions, 1088 flow
[2025-01-09 21:06:47,140 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-01-09 21:06:47,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2025-01-09 21:06:47,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1977 transitions.
[2025-01-09 21:06:47,145 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.82375
[2025-01-09 21:06:47,145 INFO  L175             Difference]: Start difference. First operand has 332 places, 333 transitions, 682 flow. Second operand 6 states and 1977 transitions.
[2025-01-09 21:06:47,145 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 403 transitions, 1088 flow
[2025-01-09 21:06:47,157 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 403 transitions, 1088 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-01-09 21:06:47,165 INFO  L231             Difference]: Finished difference. Result has 342 places, 369 transitions, 958 flow
[2025-01-09 21:06:47,166 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=342, PETRI_TRANSITIONS=369}
[2025-01-09 21:06:47,167 INFO  L279   CegarLoopForPetriNet]: 392 programPoint places, -50 predicate places.
[2025-01-09 21:06:47,167 INFO  L471      AbstractCegarLoop]: Abstraction has has 342 places, 369 transitions, 958 flow
[2025-01-09 21:06:47,168 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 311.5) internal successors, (1869), 6 states have internal predecessors, (1869), 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)
[2025-01-09 21:06:47,168 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:47,169 INFO  L206   CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 21:06:47,169 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-01-09 21:06:47,169 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-01-09 21:06:47,170 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:47,170 INFO  L85        PathProgramCache]: Analyzing trace with hash 148873800, now seen corresponding path program 1 times
[2025-01-09 21:06:47,170 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:47,170 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371787396]
[2025-01-09 21:06:47,170 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:47,170 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:47,190 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes.
[2025-01-09 21:06:47,203 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements.
[2025-01-09 21:06:47,203 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:47,203 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:47,203 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-01-09 21:06:47,207 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes.
[2025-01-09 21:06:47,225 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements.
[2025-01-09 21:06:47,225 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:47,225 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-01-09 21:06:47,245 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-01-09 21:06:47,245 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (75 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (74 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (71 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (70 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (69 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (68 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (67 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (66 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (65 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (64 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (63 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (62 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (60 of 77 remaining)
[2025-01-09 21:06:47,246 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (57 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (56 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (54 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (53 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (52 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (51 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (50 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (48 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (46 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (45 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (44 of 77 remaining)
[2025-01-09 21:06:47,247 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (43 of 77 remaining)
[2025-01-09 21:06:47,248 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 77 remaining)
[2025-01-09 21:06:47,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (41 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (40 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (38 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (37 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (36 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (35 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (32 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (30 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 77 remaining)
[2025-01-09 21:06:47,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (27 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (26 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (24 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (23 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (22 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (21 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (20 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (19 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (11 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (10 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 77 remaining)
[2025-01-09 21:06:47,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (6 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (5 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (4 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (3 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (2 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (1 of 77 remaining)
[2025-01-09 21:06:47,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (0 of 77 remaining)
[2025-01-09 21:06:47,254 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-01-09 21:06:47,254 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-01-09 21:06:47,255 WARN  L246   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-01-09 21:06:47,255 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2025-01-09 21:06:47,373 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-01-09 21:06:47,378 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 493 places, 504 transitions, 1036 flow
[2025-01-09 21:06:47,465 INFO  L124   PetriNetUnfolderBase]: 20/538 cut-off events.
[2025-01-09 21:06:47,465 INFO  L125   PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2025-01-09 21:06:47,477 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 557 conditions, 538 events. 20/538 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1841 event pairs, 0 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 433. Up to 5 conditions per place. 
[2025-01-09 21:06:47,477 INFO  L82        GeneralOperation]: Start removeDead. Operand has 493 places, 504 transitions, 1036 flow
[2025-01-09 21:06:47,485 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 493 places, 504 transitions, 1036 flow
[2025-01-09 21:06:47,490 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 21:06:47,491 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;@7019798d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 21:06:47,491 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 96 error locations.
[2025-01-09 21:06:47,497 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-01-09 21:06:47,498 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-01-09 21:06:47,498 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-01-09 21:06:47,498 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:47,498 INFO  L206   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]
[2025-01-09 21:06:47,498 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-01-09 21:06:47,499 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:47,499 INFO  L85        PathProgramCache]: Analyzing trace with hash -201198457, now seen corresponding path program 1 times
[2025-01-09 21:06:47,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:47,499 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562542304]
[2025-01-09 21:06:47,499 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:47,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:47,517 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-01-09 21:06:47,525 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-01-09 21:06:47,525 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:47,525 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:06:47,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:06:47,555 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:06:47,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562542304]
[2025-01-09 21:06:47,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562542304] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:06:47,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:06:47,555 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-01-09 21:06:47,555 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503253841]
[2025-01-09 21:06:47,556 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:06:47,556 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-01-09 21:06:47,556 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:06:47,557 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-01-09 21:06:47,557 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-01-09 21:06:47,558 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 423 out of 504
[2025-01-09 21:06:47,559 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 504 transitions, 1036 flow. Second operand  has 2 states, 2 states have (on average 424.0) internal successors, (848), 2 states have internal predecessors, (848), 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)
[2025-01-09 21:06:47,559 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:06:47,559 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 504
[2025-01-09 21:06:47,559 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-01-09 21:06:50,727 INFO  L124   PetriNetUnfolderBase]: 2297/15619 cut-off events.
[2025-01-09 21:06:50,727 INFO  L125   PetriNetUnfolderBase]: For 1729/1729 co-relation queries the response was YES.
[2025-01-09 21:06:50,829 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 18927 conditions, 15619 events. 2297/15619 cut-off events. For 1729/1729 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 177448 event pairs, 1422 based on Foata normal form. 2128/15970 useless extension candidates. Maximal degree in co-relation 3544. Up to 2665 conditions per place. 
[2025-01-09 21:06:50,914 INFO  L140   encePairwiseOnDemand]: 443/504 looper letters, 20 selfloop transitions, 0 changer transitions 0/416 dead transitions.
[2025-01-09 21:06:50,914 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 416 transitions, 900 flow
[2025-01-09 21:06:50,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-01-09 21:06:50,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-01-09 21:06:50,917 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 927 transitions.
[2025-01-09 21:06:50,918 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.9196428571428571
[2025-01-09 21:06:50,918 INFO  L175             Difference]: Start difference. First operand has 493 places, 504 transitions, 1036 flow. Second operand 2 states and 927 transitions.
[2025-01-09 21:06:50,918 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 416 transitions, 900 flow
[2025-01-09 21:06:50,924 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 416 transitions, 894 flow, removed 3 selfloop flow, removed 0 redundant places.
[2025-01-09 21:06:50,929 INFO  L231             Difference]: Finished difference. Result has 414 places, 416 transitions, 854 flow
[2025-01-09 21:06:50,930 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=504, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=854, PETRI_PLACES=414, PETRI_TRANSITIONS=416}
[2025-01-09 21:06:50,932 INFO  L279   CegarLoopForPetriNet]: 493 programPoint places, -79 predicate places.
[2025-01-09 21:06:50,932 INFO  L471      AbstractCegarLoop]: Abstraction has has 414 places, 416 transitions, 854 flow
[2025-01-09 21:06:50,933 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 424.0) internal successors, (848), 2 states have internal predecessors, (848), 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)
[2025-01-09 21:06:50,933 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:06:50,933 INFO  L206   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]
[2025-01-09 21:06:50,933 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-01-09 21:06:50,933 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-01-09 21:06:50,934 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:06:50,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 225944816, now seen corresponding path program 1 times
[2025-01-09 21:06:50,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:06:50,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161123892]
[2025-01-09 21:06:50,934 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:06:50,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:06:50,957 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes.
[2025-01-09 21:06:50,973 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements.
[2025-01-09 21:06:50,975 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:06:50,975 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:06:51,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:06:51,416 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:06:51,416 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161123892]
[2025-01-09 21:06:51,416 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161123892] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:06:51,416 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:06:51,416 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 21:06:51,416 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969019064]
[2025-01-09 21:06:51,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:06:51,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-01-09 21:06:51,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:06:51,417 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-01-09 21:06:51,417 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-01-09 21:06:52,265 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 394 out of 504
[2025-01-09 21:06:52,268 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 416 transitions, 854 flow. Second operand  has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 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)
[2025-01-09 21:06:52,268 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:06:52,269 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 504
[2025-01-09 21:06:52,269 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-01-09 21:07:16,417 INFO  L124   PetriNetUnfolderBase]: 30411/133246 cut-off events.
[2025-01-09 21:07:16,417 INFO  L125   PetriNetUnfolderBase]: For 7768/7768 co-relation queries the response was YES.
[2025-01-09 21:07:18,103 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 176920 conditions, 133246 events. 30411/133246 cut-off events. For 7768/7768 co-relation queries the response was YES. Maximal size of possible extension queue 2133. Compared 2068807 event pairs, 8047 based on Foata normal form. 0/119845 useless extension candidates. Maximal degree in co-relation 176913. Up to 26124 conditions per place. 
[2025-01-09 21:07:19,130 INFO  L140   encePairwiseOnDemand]: 473/504 looper letters, 93 selfloop transitions, 45 changer transitions 0/506 dead transitions.
[2025-01-09 21:07:19,130 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 506 transitions, 1370 flow
[2025-01-09 21:07:19,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-01-09 21:07:19,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2025-01-09 21:07:19,133 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2506 transitions.
[2025-01-09 21:07:19,135 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8287037037037037
[2025-01-09 21:07:19,135 INFO  L175             Difference]: Start difference. First operand has 414 places, 416 transitions, 854 flow. Second operand 6 states and 2506 transitions.
[2025-01-09 21:07:19,135 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 506 transitions, 1370 flow
[2025-01-09 21:07:19,176 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 506 transitions, 1370 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-01-09 21:07:19,180 INFO  L231             Difference]: Finished difference. Result has 424 places, 460 transitions, 1182 flow
[2025-01-09 21:07:19,180 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=504, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1182, PETRI_PLACES=424, PETRI_TRANSITIONS=460}
[2025-01-09 21:07:19,181 INFO  L279   CegarLoopForPetriNet]: 493 programPoint places, -69 predicate places.
[2025-01-09 21:07:19,181 INFO  L471      AbstractCegarLoop]: Abstraction has has 424 places, 460 transitions, 1182 flow
[2025-01-09 21:07:19,182 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 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)
[2025-01-09 21:07:19,182 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-01-09 21:07:19,182 INFO  L206   CegarLoopForPetriNet]: trace histogram [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]
[2025-01-09 21:07:19,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-01-09 21:07:19,183 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-01-09 21:07:19,183 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 21:07:19,183 INFO  L85        PathProgramCache]: Analyzing trace with hash -521434148, now seen corresponding path program 1 times
[2025-01-09 21:07:19,183 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 21:07:19,183 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596489237]
[2025-01-09 21:07:19,183 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 21:07:19,183 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 21:07:19,206 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes.
[2025-01-09 21:07:19,217 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements.
[2025-01-09 21:07:19,217 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 21:07:19,217 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 21:07:19,655 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 21:07:19,656 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 21:07:19,656 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596489237]
[2025-01-09 21:07:19,656 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596489237] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 21:07:19,656 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 21:07:19,656 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 21:07:19,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523571090]
[2025-01-09 21:07:19,657 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 21:07:19,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-01-09 21:07:19,658 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 21:07:19,658 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-01-09 21:07:19,658 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-01-09 21:07:20,513 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 394 out of 504
[2025-01-09 21:07:20,516 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 460 transitions, 1182 flow. Second operand  has 6 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 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)
[2025-01-09 21:07:20,516 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-01-09 21:07:20,516 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 504
[2025-01-09 21:07:20,516 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand