./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-dynamic-race-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-dynamic-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC --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 9b6f5676df76ead7ff47af365c70465c7b9cb0ddd7acfe90754727af80919440
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:21:34,403 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:21:34,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 23:21:34,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:21:34,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:21:34,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:21:34,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:21:34,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:21:34,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:21:34,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:21:34,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:21:34,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:21:34,550 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:21:34,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:21:34,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:21:34,552 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:21:34,553 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:21:34,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:21:34,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:21:34,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:21:34,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:21:34,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:21:34,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:21:34,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:21:34,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:21:34,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:21:34,555 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC
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 -> 9b6f5676df76ead7ff47af365c70465c7b9cb0ddd7acfe90754727af80919440
[2024-11-23 23:21:34,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:21:34,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:21:34,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:21:34,872 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:21:34,872 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:21:34,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-dynamic-race-2.i
[2024-11-23 23:21:37,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/data/44711f14b/2e983b7044bc41dfa73a1d7424cb10f8/FLAG0a63e114c
[2024-11-23 23:21:38,159 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:21:38,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/sv-benchmarks/c/pthread-race-challenges/thread-join-array-dynamic-race-2.i
[2024-11-23 23:21:38,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/data/44711f14b/2e983b7044bc41dfa73a1d7424cb10f8/FLAG0a63e114c
[2024-11-23 23:21:38,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/data/44711f14b/2e983b7044bc41dfa73a1d7424cb10f8
[2024-11-23 23:21:38,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:21:38,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:21:38,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:21:38,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:21:38,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:21:38,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:38,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659ac31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38, skipping insertion in model container
[2024-11-23 23:21:38,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:38,266 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:21:38,800 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:21:38,824 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:21:38,901 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:21:38,959 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:21:38,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38 WrapperNode
[2024-11-23 23:21:38,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:21:38,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:21:38,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:21:38,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:21:38,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:38,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,007 INFO L138 Inliner]: procedures = 265, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63
[2024-11-23 23:21:39,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:21:39,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:21:39,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:21:39,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:21:39,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:21:39,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:21:39,045 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:21:39,045 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:21:39,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (1/1) ...
[2024-11-23 23:21:39,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:21:39,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:21:39,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:21:39,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:21:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 23:21:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread
[2024-11-23 23:21:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread
[2024-11-23 23:21:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:21:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:21:39,125 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 23:21:39,283 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:21:39,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:21:39,538 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:21:39,538 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:21:39,563 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:21:39,565 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:21:39,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:39 BoogieIcfgContainer
[2024-11-23 23:21:39,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:21:39,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:21:39,569 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:21:39,574 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:21:39,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:21:38" (1/3) ...
[2024-11-23 23:21:39,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fea11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:39, skipping insertion in model container
[2024-11-23 23:21:39,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:38" (2/3) ...
[2024-11-23 23:21:39,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54fea11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:39, skipping insertion in model container
[2024-11-23 23:21:39,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:39" (3/3) ...
[2024-11-23 23:21:39,578 INFO L128 eAbstractionObserver]: Analyzing ICFG thread-join-array-dynamic-race-2.i
[2024-11-23 23:21:39,594 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:21:39,595 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thread-join-array-dynamic-race-2.i that has 2 procedures, 85 locations, 1 initial locations, 2 loop locations, and 4 error locations.
[2024-11-23 23:21:39,596 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:21:39,686 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:21:39,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 89 transitions, 185 flow
[2024-11-23 23:21:39,837 INFO L124 PetriNetUnfolderBase]: 6/123 cut-off events.
[2024-11-23 23:21:39,843 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:21:39,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 6/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 209 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 62. Up to 4 conditions per place.
[2024-11-23 23:21:39,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 89 transitions, 185 flow
[2024-11-23 23:21:39,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 89 transitions, 185 flow
[2024-11-23 23:21:39,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:21:39,882 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;@4ecd4e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:21:39,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-23 23:21:39,907 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:21:39,908 INFO L124 PetriNetUnfolderBase]: 3/48 cut-off events.
[2024-11-23 23:21:39,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:21:39,909 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:39,910 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]
[2024-11-23 23:21:39,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:39,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1766193537, now seen corresponding path program 1 times
[2024-11-23 23:21:39,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:39,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507184313]
[2024-11-23 23:21:39,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:39,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:40,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:40,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507184313]
[2024-11-23 23:21:40,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507184313] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:40,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:40,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:40,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477178847]
[2024-11-23 23:21:40,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:40,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:40,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:40,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:40,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 89
[2024-11-23 23:21:40,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:40,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:40,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 89
[2024-11-23 23:21:40,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:40,367 INFO L124 PetriNetUnfolderBase]: 8/161 cut-off events.
[2024-11-23 23:21:40,368 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES.
[2024-11-23 23:21:40,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 161 events. 8/161 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 415 event pairs, 1 based on Foata normal form. 8/152 useless extension candidates. Maximal degree in co-relation 122. Up to 16 conditions per place.
[2024-11-23 23:21:40,370 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 8 selfloop transitions, 3 changer transitions 2/90 dead transitions.
[2024-11-23 23:21:40,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 211 flow
[2024-11-23 23:21:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions.
[2024-11-23 23:21:40,389 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9363295880149812
[2024-11-23 23:21:40,391 INFO L175 Difference]: Start difference. First operand has 88 places, 89 transitions, 185 flow. Second operand 3 states and 250 transitions.
[2024-11-23 23:21:40,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 211 flow
[2024-11-23 23:21:40,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 211 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:21:40,403 INFO L231 Difference]: Finished difference. Result has 92 places, 87 transitions, 199 flow
[2024-11-23 23:21:40,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=92, PETRI_TRANSITIONS=87}
[2024-11-23 23:21:40,411 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 4 predicate places.
[2024-11-23 23:21:40,413 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 87 transitions, 199 flow
[2024-11-23 23:21:40,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:40,413 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:40,414 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]
[2024-11-23 23:21:40,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:21:40,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:40,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1082358490, now seen corresponding path program 1 times
[2024-11-23 23:21:40,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:40,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649201528]
[2024-11-23 23:21:40,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:40,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649201528]
[2024-11-23 23:21:40,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649201528] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:40,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:40,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:40,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851481390]
[2024-11-23 23:21:40,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:40,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:21:40,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:40,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:21:40,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:21:40,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89
[2024-11-23 23:21:40,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 87 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:40,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:40,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89
[2024-11-23 23:21:40,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:40,953 INFO L124 PetriNetUnfolderBase]: 17/224 cut-off events.
[2024-11-23 23:21:40,953 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES.
[2024-11-23 23:21:40,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 224 events. 17/224 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 779 event pairs, 7 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 215. Up to 49 conditions per place.
[2024-11-23 23:21:40,955 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 15 selfloop transitions, 2 changer transitions 5/94 dead transitions.
[2024-11-23 23:21:40,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 257 flow
[2024-11-23 23:21:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 449 transitions.
[2024-11-23 23:21:40,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8408239700374532
[2024-11-23 23:21:40,959 INFO L175 Difference]: Start difference. First operand has 92 places, 87 transitions, 199 flow. Second operand 6 states and 449 transitions.
[2024-11-23 23:21:40,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 257 flow
[2024-11-23 23:21:40,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 251 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:40,966 INFO L231 Difference]: Finished difference. Result has 98 places, 87 transitions, 211 flow
[2024-11-23 23:21:40,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=211, PETRI_PLACES=98, PETRI_TRANSITIONS=87}
[2024-11-23 23:21:40,967 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 10 predicate places.
[2024-11-23 23:21:40,968 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 87 transitions, 211 flow
[2024-11-23 23:21:40,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:40,968 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:40,969 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]
[2024-11-23 23:21:40,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:21:40,969 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:40,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash 383388444, now seen corresponding path program 1 times
[2024-11-23 23:21:40,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:40,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381066090]
[2024-11-23 23:21:40,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:40,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:41,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:41,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381066090]
[2024-11-23 23:21:41,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381066090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:41,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:41,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:41,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104526626]
[2024-11-23 23:21:41,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:41,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:41,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:41,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:41,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:41,905 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 89
[2024-11-23 23:21:41,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 87 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:41,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:41,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 89
[2024-11-23 23:21:41,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:42,059 INFO L124 PetriNetUnfolderBase]: 30/239 cut-off events.
[2024-11-23 23:21:42,060 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-23 23:21:42,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 239 events. 30/239 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1007 event pairs, 5 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 295. Up to 61 conditions per place.
[2024-11-23 23:21:42,063 INFO L140 encePairwiseOnDemand]: 83/89 looper letters, 24 selfloop transitions, 5 changer transitions 0/94 dead transitions.
[2024-11-23 23:21:42,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 94 transitions, 283 flow
[2024-11-23 23:21:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 414 transitions.
[2024-11-23 23:21:42,066 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7752808988764045
[2024-11-23 23:21:42,066 INFO L175 Difference]: Start difference. First operand has 98 places, 87 transitions, 211 flow. Second operand 6 states and 414 transitions.
[2024-11-23 23:21:42,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 94 transitions, 283 flow
[2024-11-23 23:21:42,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 269 flow, removed 5 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:42,074 INFO L231 Difference]: Finished difference. Result has 94 places, 86 transitions, 205 flow
[2024-11-23 23:21:42,075 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=205, PETRI_PLACES=94, PETRI_TRANSITIONS=86}
[2024-11-23 23:21:42,076 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 6 predicate places.
[2024-11-23 23:21:42,076 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 86 transitions, 205 flow
[2024-11-23 23:21:42,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:42,077 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:42,077 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]
[2024-11-23 23:21:42,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:21:42,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:42,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1407678576, now seen corresponding path program 1 times
[2024-11-23 23:21:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287634583]
[2024-11-23 23:21:42,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:42,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287634583]
[2024-11-23 23:21:42,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287634583] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:42,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:42,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:42,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618766930]
[2024-11-23 23:21:42,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:42,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:42,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:42,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:42,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:42,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 89
[2024-11-23 23:21:42,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 86 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:42,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:42,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 89
[2024-11-23 23:21:42,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:42,230 INFO L124 PetriNetUnfolderBase]: 5/167 cut-off events.
[2024-11-23 23:21:42,231 INFO L125 PetriNetUnfolderBase]: For 18/31 co-relation queries the response was YES.
[2024-11-23 23:21:42,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 167 events. 5/167 cut-off events. For 18/31 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 478 event pairs, 3 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 173. Up to 25 conditions per place.
[2024-11-23 23:21:42,234 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 8 selfloop transitions, 4 changer transitions 3/89 dead transitions.
[2024-11-23 23:21:42,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 89 transitions, 241 flow
[2024-11-23 23:21:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions.
[2024-11-23 23:21:42,235 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9063670411985019
[2024-11-23 23:21:42,236 INFO L175 Difference]: Start difference. First operand has 94 places, 86 transitions, 205 flow. Second operand 3 states and 242 transitions.
[2024-11-23 23:21:42,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 89 transitions, 241 flow
[2024-11-23 23:21:42,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 89 transitions, 231 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:42,239 INFO L231 Difference]: Finished difference. Result has 93 places, 86 transitions, 217 flow
[2024-11-23 23:21:42,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=93, PETRI_TRANSITIONS=86}
[2024-11-23 23:21:42,240 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 5 predicate places.
[2024-11-23 23:21:42,240 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 86 transitions, 217 flow
[2024-11-23 23:21:42,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:42,240 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:42,240 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]
[2024-11-23 23:21:42,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:21:42,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:42,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1137819091, now seen corresponding path program 1 times
[2024-11-23 23:21:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587846444]
[2024-11-23 23:21:42,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:42,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:42,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587846444]
[2024-11-23 23:21:42,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587846444] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:42,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:42,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:42,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905665927]
[2024-11-23 23:21:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:42,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:42,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:42,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:42,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 89
[2024-11-23 23:21:42,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 86 transitions, 217 flow. Second operand has 6 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:42,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:42,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 89
[2024-11-23 23:21:42,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:43,059 INFO L124 PetriNetUnfolderBase]: 25/280 cut-off events.
[2024-11-23 23:21:43,059 INFO L125 PetriNetUnfolderBase]: For 48/51 co-relation queries the response was YES.
[2024-11-23 23:21:43,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 280 events. 25/280 cut-off events. For 48/51 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1216 event pairs, 15 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 370. Up to 55 conditions per place.
[2024-11-23 23:21:43,063 INFO L140 encePairwiseOnDemand]: 83/89 looper letters, 12 selfloop transitions, 0 changer transitions 18/93 dead transitions.
[2024-11-23 23:21:43,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 93 transitions, 285 flow
[2024-11-23 23:21:43,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 424 transitions.
[2024-11-23 23:21:43,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7940074906367042
[2024-11-23 23:21:43,065 INFO L175 Difference]: Start difference. First operand has 93 places, 86 transitions, 217 flow. Second operand 6 states and 424 transitions.
[2024-11-23 23:21:43,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 93 transitions, 285 flow
[2024-11-23 23:21:43,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:43,071 INFO L231 Difference]: Finished difference. Result has 95 places, 75 transitions, 184 flow
[2024-11-23 23:21:43,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=184, PETRI_PLACES=95, PETRI_TRANSITIONS=75}
[2024-11-23 23:21:43,072 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 7 predicate places.
[2024-11-23 23:21:43,073 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 75 transitions, 184 flow
[2024-11-23 23:21:43,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:43,073 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:43,073 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:43,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:21:43,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2024-11-23 23:21:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1105888144, now seen corresponding path program 1 times
[2024-11-23 23:21:43,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:43,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429291289]
[2024-11-23 23:21:43,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:43,103 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:21:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:43,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:21:43,145 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:21:43,149 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining)
[2024-11-23 23:21:43,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2024-11-23 23:21:43,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2024-11-23 23:21:43,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2024-11-23 23:21:43,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2024-11-23 23:21:43,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2024-11-23 23:21:43,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 23:21:43,152 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:43,155 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:21:43,155 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-23 23:21:43,174 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-23 23:21:43,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 107 transitions, 230 flow
[2024-11-23 23:21:43,202 INFO L124 PetriNetUnfolderBase]: 11/206 cut-off events.
[2024-11-23 23:21:43,202 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-23 23:21:43,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 206 events. 11/206 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place.
[2024-11-23 23:21:43,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 107 transitions, 230 flow
[2024-11-23 23:21:43,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 107 transitions, 230 flow
[2024-11-23 23:21:43,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:21:43,207 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;@4ecd4e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:21:43,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-23 23:21:43,215 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:21:43,216 INFO L124 PetriNetUnfolderBase]: 3/48 cut-off events.
[2024-11-23 23:21:43,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:21:43,216 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:43,216 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]
[2024-11-23 23:21:43,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:43,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1671684895, now seen corresponding path program 1 times
[2024-11-23 23:21:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:43,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520246142]
[2024-11-23 23:21:43,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:43,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:43,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520246142]
[2024-11-23 23:21:43,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520246142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:43,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:43,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:43,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973528774]
[2024-11-23 23:21:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:43,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:43,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:43,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:43,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:43,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 107
[2024-11-23 23:21:43,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 107 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:43,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:43,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 107
[2024-11-23 23:21:43,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:43,431 INFO L124 PetriNetUnfolderBase]: 119/719 cut-off events.
[2024-11-23 23:21:43,431 INFO L125 PetriNetUnfolderBase]: For 54/78 co-relation queries the response was YES.
[2024-11-23 23:21:43,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 719 events. 119/719 cut-off events. For 54/78 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4222 event pairs, 50 based on Foata normal form. 36/670 useless extension candidates. Maximal degree in co-relation 741. Up to 139 conditions per place.
[2024-11-23 23:21:43,436 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 16 selfloop transitions, 4 changer transitions 1/111 dead transitions.
[2024-11-23 23:21:43,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 111 transitions, 278 flow
[2024-11-23 23:21:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions.
[2024-11-23 23:21:43,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252336448598131
[2024-11-23 23:21:43,439 INFO L175 Difference]: Start difference. First operand has 107 places, 107 transitions, 230 flow. Second operand 3 states and 297 transitions.
[2024-11-23 23:21:43,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 111 transitions, 278 flow
[2024-11-23 23:21:43,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 111 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:21:43,443 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 252 flow
[2024-11-23 23:21:43,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=111, PETRI_TRANSITIONS=106}
[2024-11-23 23:21:43,445 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 4 predicate places.
[2024-11-23 23:21:43,445 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 252 flow
[2024-11-23 23:21:43,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:43,446 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:43,446 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]
[2024-11-23 23:21:43,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 23:21:43,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:43,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:43,447 INFO L85 PathProgramCache]: Analyzing trace with hash 111039386, now seen corresponding path program 1 times
[2024-11-23 23:21:43,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:43,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947504222]
[2024-11-23 23:21:43,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:43,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:43,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:43,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947504222]
[2024-11-23 23:21:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947504222] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:43,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:43,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352722353]
[2024-11-23 23:21:43,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:43,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:21:43,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:43,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:21:43,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:21:43,655 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 107
[2024-11-23 23:21:43,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 252 flow. Second operand has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:43,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:43,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 107
[2024-11-23 23:21:43,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:43,874 INFO L124 PetriNetUnfolderBase]: 187/1181 cut-off events.
[2024-11-23 23:21:43,874 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES.
[2024-11-23 23:21:43,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1679 conditions, 1181 events. 187/1181 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 8511 event pairs, 130 based on Foata normal form. 1/1083 useless extension candidates. Maximal degree in co-relation 1078. Up to 312 conditions per place.
[2024-11-23 23:21:43,884 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 20 selfloop transitions, 2 changer transitions 5/114 dead transitions.
[2024-11-23 23:21:43,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 114 transitions, 322 flow
[2024-11-23 23:21:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 538 transitions.
[2024-11-23 23:21:43,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.838006230529595
[2024-11-23 23:21:43,886 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 252 flow. Second operand 6 states and 538 transitions.
[2024-11-23 23:21:43,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 114 transitions, 322 flow
[2024-11-23 23:21:43,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 114 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:43,893 INFO L231 Difference]: Finished difference. Result has 117 places, 107 transitions, 266 flow
[2024-11-23 23:21:43,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=266, PETRI_PLACES=117, PETRI_TRANSITIONS=107}
[2024-11-23 23:21:43,894 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 10 predicate places.
[2024-11-23 23:21:43,894 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 107 transitions, 266 flow
[2024-11-23 23:21:43,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:43,895 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:43,895 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]
[2024-11-23 23:21:43,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 23:21:43,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:43,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:43,895 INFO L85 PathProgramCache]: Analyzing trace with hash -587930660, now seen corresponding path program 1 times
[2024-11-23 23:21:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:43,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489216654]
[2024-11-23 23:21:43,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:44,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:44,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489216654]
[2024-11-23 23:21:44,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489216654] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:44,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:44,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:44,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151314770]
[2024-11-23 23:21:44,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:44,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:44,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:44,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:44,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:44,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 107
[2024-11-23 23:21:44,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 107 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:44,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:44,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 107
[2024-11-23 23:21:44,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:44,639 INFO L124 PetriNetUnfolderBase]: 298/1303 cut-off events.
[2024-11-23 23:21:44,639 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES.
[2024-11-23 23:21:44,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2107 conditions, 1303 events. 298/1303 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9887 event pairs, 57 based on Foata normal form. 0/1194 useless extension candidates. Maximal degree in co-relation 1806. Up to 371 conditions per place.
[2024-11-23 23:21:44,649 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 37 selfloop transitions, 5 changer transitions 0/122 dead transitions.
[2024-11-23 23:21:44,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 122 transitions, 380 flow
[2024-11-23 23:21:44,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 510 transitions.
[2024-11-23 23:21:44,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.794392523364486
[2024-11-23 23:21:44,652 INFO L175 Difference]: Start difference. First operand has 117 places, 107 transitions, 266 flow. Second operand 6 states and 510 transitions.
[2024-11-23 23:21:44,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 122 transitions, 380 flow
[2024-11-23 23:21:44,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 122 transitions, 368 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-23 23:21:44,657 INFO L231 Difference]: Finished difference. Result has 114 places, 106 transitions, 262 flow
[2024-11-23 23:21:44,659 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=114, PETRI_TRANSITIONS=106}
[2024-11-23 23:21:44,661 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 7 predicate places.
[2024-11-23 23:21:44,661 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 106 transitions, 262 flow
[2024-11-23 23:21:44,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:44,663 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:44,663 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]
[2024-11-23 23:21:44,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 23:21:44,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:44,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash -3979776, now seen corresponding path program 1 times
[2024-11-23 23:21:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:44,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178256806]
[2024-11-23 23:21:44,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:44,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178256806]
[2024-11-23 23:21:44,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178256806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:44,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:44,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:44,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600871508]
[2024-11-23 23:21:44,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:44,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:44,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:44,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:44,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:44,738 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107
[2024-11-23 23:21:44,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:44,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:44,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107
[2024-11-23 23:21:44,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:44,901 INFO L124 PetriNetUnfolderBase]: 165/981 cut-off events.
[2024-11-23 23:21:44,901 INFO L125 PetriNetUnfolderBase]: For 205/322 co-relation queries the response was YES.
[2024-11-23 23:21:44,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 981 events. 165/981 cut-off events. For 205/322 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7177 event pairs, 88 based on Foata normal form. 3/871 useless extension candidates. Maximal degree in co-relation 1267. Up to 269 conditions per place.
[2024-11-23 23:21:44,908 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 19 selfloop transitions, 7 changer transitions 0/115 dead transitions.
[2024-11-23 23:21:44,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 115 transitions, 346 flow
[2024-11-23 23:21:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions.
[2024-11-23 23:21:44,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9065420560747663
[2024-11-23 23:21:44,914 INFO L175 Difference]: Start difference. First operand has 114 places, 106 transitions, 262 flow. Second operand 3 states and 291 transitions.
[2024-11-23 23:21:44,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 115 transitions, 346 flow
[2024-11-23 23:21:44,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 336 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:44,916 INFO L231 Difference]: Finished difference. Result has 113 places, 111 transitions, 308 flow
[2024-11-23 23:21:44,920 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=113, PETRI_TRANSITIONS=111}
[2024-11-23 23:21:44,922 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places.
[2024-11-23 23:21:44,922 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 111 transitions, 308 flow
[2024-11-23 23:21:44,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:44,922 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:44,922 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]
[2024-11-23 23:21:44,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 23:21:44,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:44,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:44,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1401784600, now seen corresponding path program 1 times
[2024-11-23 23:21:44,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:44,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524554749]
[2024-11-23 23:21:44,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:44,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:45,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:45,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524554749]
[2024-11-23 23:21:45,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524554749] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:45,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:45,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:45,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982164985]
[2024-11-23 23:21:45,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:45,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:45,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:45,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:45,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:45,424 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107
[2024-11-23 23:21:45,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 308 flow. Second operand has 6 states, 6 states have (on average 82.16666666666667) internal successors, (493), 6 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:45,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:45,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107
[2024-11-23 23:21:45,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:45,716 INFO L124 PetriNetUnfolderBase]: 356/1815 cut-off events.
[2024-11-23 23:21:45,717 INFO L125 PetriNetUnfolderBase]: For 306/352 co-relation queries the response was YES.
[2024-11-23 23:21:45,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2992 conditions, 1815 events. 356/1815 cut-off events. For 306/352 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 15382 event pairs, 177 based on Foata normal form. 3/1659 useless extension candidates. Maximal degree in co-relation 2422. Up to 360 conditions per place.
[2024-11-23 23:21:45,728 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 34 selfloop transitions, 5 changer transitions 0/126 dead transitions.
[2024-11-23 23:21:45,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 126 transitions, 416 flow
[2024-11-23 23:21:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions.
[2024-11-23 23:21:45,730 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8099688473520249
[2024-11-23 23:21:45,730 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 308 flow. Second operand 6 states and 520 transitions.
[2024-11-23 23:21:45,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 126 transitions, 416 flow
[2024-11-23 23:21:45,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 126 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:45,734 INFO L231 Difference]: Finished difference. Result has 115 places, 110 transitions, 302 flow
[2024-11-23 23:21:45,735 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=302, PETRI_PLACES=115, PETRI_TRANSITIONS=110}
[2024-11-23 23:21:45,735 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 8 predicate places.
[2024-11-23 23:21:45,735 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 110 transitions, 302 flow
[2024-11-23 23:21:45,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.16666666666667) internal successors, (493), 6 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:45,736 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:45,736 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]
[2024-11-23 23:21:45,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 23:21:45,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:45,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:45,737 INFO L85 PathProgramCache]: Analyzing trace with hash 309902969, now seen corresponding path program 1 times
[2024-11-23 23:21:45,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:45,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476872093]
[2024-11-23 23:21:45,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476872093]
[2024-11-23 23:21:45,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476872093] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:45,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:45,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:21:45,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034840814]
[2024-11-23 23:21:45,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:45,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:45,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:45,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:45,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:45,953 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 107
[2024-11-23 23:21:45,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 110 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:45,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:45,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 107
[2024-11-23 23:21:45,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:46,130 INFO L124 PetriNetUnfolderBase]: 141/992 cut-off events.
[2024-11-23 23:21:46,130 INFO L125 PetriNetUnfolderBase]: For 139/167 co-relation queries the response was YES.
[2024-11-23 23:21:46,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 992 events. 141/992 cut-off events. For 139/167 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6844 event pairs, 43 based on Foata normal form. 15/943 useless extension candidates. Maximal degree in co-relation 974. Up to 189 conditions per place.
[2024-11-23 23:21:46,135 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 23 selfloop transitions, 6 changer transitions 6/123 dead transitions.
[2024-11-23 23:21:46,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 123 transitions, 402 flow
[2024-11-23 23:21:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions.
[2024-11-23 23:21:46,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411214953271028
[2024-11-23 23:21:46,138 INFO L175 Difference]: Start difference. First operand has 115 places, 110 transitions, 302 flow. Second operand 6 states and 540 transitions.
[2024-11-23 23:21:46,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 123 transitions, 402 flow
[2024-11-23 23:21:46,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 123 transitions, 390 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:46,141 INFO L231 Difference]: Finished difference. Result has 117 places, 110 transitions, 308 flow
[2024-11-23 23:21:46,141 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=117, PETRI_TRANSITIONS=110}
[2024-11-23 23:21:46,142 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 10 predicate places.
[2024-11-23 23:21:46,142 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 110 transitions, 308 flow
[2024-11-23 23:21:46,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:46,143 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:46,143 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:46,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 23:21:46,143 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:46,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash 804489469, now seen corresponding path program 1 times
[2024-11-23 23:21:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:46,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663069106]
[2024-11-23 23:21:46,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:46,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:46,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663069106]
[2024-11-23 23:21:46,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663069106] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:46,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:46,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537045142]
[2024-11-23 23:21:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:46,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:46,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:46,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:46,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:46,217 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107
[2024-11-23 23:21:46,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 110 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:46,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:46,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107
[2024-11-23 23:21:46,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:46,340 INFO L124 PetriNetUnfolderBase]: 56/601 cut-off events.
[2024-11-23 23:21:46,340 INFO L125 PetriNetUnfolderBase]: For 235/296 co-relation queries the response was YES.
[2024-11-23 23:21:46,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 601 events. 56/601 cut-off events. For 235/296 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3608 event pairs, 30 based on Foata normal form. 3/581 useless extension candidates. Maximal degree in co-relation 867. Up to 119 conditions per place.
[2024-11-23 23:21:46,343 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 19 selfloop transitions, 7 changer transitions 1/117 dead transitions.
[2024-11-23 23:21:46,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 117 transitions, 385 flow
[2024-11-23 23:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions.
[2024-11-23 23:21:46,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9034267912772586
[2024-11-23 23:21:46,346 INFO L175 Difference]: Start difference. First operand has 117 places, 110 transitions, 308 flow. Second operand 3 states and 290 transitions.
[2024-11-23 23:21:46,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 117 transitions, 385 flow
[2024-11-23 23:21:46,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 117 transitions, 377 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 23:21:46,348 INFO L231 Difference]: Finished difference. Result has 118 places, 113 transitions, 350 flow
[2024-11-23 23:21:46,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=118, PETRI_TRANSITIONS=113}
[2024-11-23 23:21:46,349 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, 11 predicate places.
[2024-11-23 23:21:46,349 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 113 transitions, 350 flow
[2024-11-23 23:21:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:46,350 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:46,350 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:46,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 23:21:46,350 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-11-23 23:21:46,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash -385553027, now seen corresponding path program 1 times
[2024-11-23 23:21:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:46,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345989446]
[2024-11-23 23:21:46,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:46,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:46,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:21:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:46,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:21:46,409 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-11-23 23:21:46,410 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-11-23 23:21:46,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-23 23:21:46,410 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:46,411 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:21:46,411 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-23 23:21:46,438 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 23:21:46,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 125 transitions, 277 flow
[2024-11-23 23:21:46,482 INFO L124 PetriNetUnfolderBase]: 21/336 cut-off events.
[2024-11-23 23:21:46,482 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-23 23:21:46,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 336 events. 21/336 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 903 event pairs, 1 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 214. Up to 16 conditions per place.
[2024-11-23 23:21:46,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 125 transitions, 277 flow
[2024-11-23 23:21:46,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 125 transitions, 277 flow
[2024-11-23 23:21:46,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:21:46,487 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;@4ecd4e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:21:46,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-23 23:21:46,491 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:21:46,491 INFO L124 PetriNetUnfolderBase]: 3/48 cut-off events.
[2024-11-23 23:21:46,491 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:21:46,492 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:46,492 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]
[2024-11-23 23:21:46,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:46,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:46,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1938679425, now seen corresponding path program 1 times
[2024-11-23 23:21:46,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:46,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551370724]
[2024-11-23 23:21:46,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:46,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:46,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:46,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551370724]
[2024-11-23 23:21:46,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551370724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:46,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:46,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:46,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298766732]
[2024-11-23 23:21:46,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:46,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:46,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:46,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:46,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:46,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 125
[2024-11-23 23:21:46,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 125 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:46,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:46,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 125
[2024-11-23 23:21:46,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:47,186 INFO L124 PetriNetUnfolderBase]: 1071/3960 cut-off events.
[2024-11-23 23:21:47,186 INFO L125 PetriNetUnfolderBase]: For 416/521 co-relation queries the response was YES.
[2024-11-23 23:21:47,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5875 conditions, 3960 events. 1071/3960 cut-off events. For 416/521 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 35699 event pairs, 542 based on Foata normal form. 180/3699 useless extension candidates. Maximal degree in co-relation 4604. Up to 1110 conditions per place.
[2024-11-23 23:21:47,211 INFO L140 encePairwiseOnDemand]: 116/125 looper letters, 23 selfloop transitions, 5 changer transitions 1/132 dead transitions.
[2024-11-23 23:21:47,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 132 transitions, 347 flow
[2024-11-23 23:21:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions.
[2024-11-23 23:21:47,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9173333333333333
[2024-11-23 23:21:47,213 INFO L175 Difference]: Start difference. First operand has 126 places, 125 transitions, 277 flow. Second operand 3 states and 344 transitions.
[2024-11-23 23:21:47,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 132 transitions, 347 flow
[2024-11-23 23:21:47,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 132 transitions, 347 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:21:47,218 INFO L231 Difference]: Finished difference. Result has 130 places, 125 transitions, 307 flow
[2024-11-23 23:21:47,218 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=307, PETRI_PLACES=130, PETRI_TRANSITIONS=125}
[2024-11-23 23:21:47,218 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 4 predicate places.
[2024-11-23 23:21:47,218 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 125 transitions, 307 flow
[2024-11-23 23:21:47,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:47,219 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:47,219 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]
[2024-11-23 23:21:47,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-23 23:21:47,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:47,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash -662420262, now seen corresponding path program 1 times
[2024-11-23 23:21:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961778906]
[2024-11-23 23:21:47,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:47,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:47,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961778906]
[2024-11-23 23:21:47,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961778906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:47,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:47,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:47,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380734492]
[2024-11-23 23:21:47,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:47,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:21:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:47,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:21:47,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:21:47,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125
[2024-11-23 23:21:47,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 125 transitions, 307 flow. Second operand has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:47,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:47,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125
[2024-11-23 23:21:47,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:48,248 INFO L124 PetriNetUnfolderBase]: 1315/6208 cut-off events.
[2024-11-23 23:21:48,248 INFO L125 PetriNetUnfolderBase]: For 412/420 co-relation queries the response was YES.
[2024-11-23 23:21:48,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9025 conditions, 6208 events. 1315/6208 cut-off events. For 412/420 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 63045 event pairs, 754 based on Foata normal form. 1/5481 useless extension candidates. Maximal degree in co-relation 5371. Up to 1711 conditions per place.
[2024-11-23 23:21:48,298 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 24 selfloop transitions, 2 changer transitions 5/133 dead transitions.
[2024-11-23 23:21:48,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 133 transitions, 385 flow
[2024-11-23 23:21:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 626 transitions.
[2024-11-23 23:21:48,301 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8346666666666667
[2024-11-23 23:21:48,301 INFO L175 Difference]: Start difference. First operand has 130 places, 125 transitions, 307 flow. Second operand 6 states and 626 transitions.
[2024-11-23 23:21:48,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 133 transitions, 385 flow
[2024-11-23 23:21:48,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 133 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:48,314 INFO L231 Difference]: Finished difference. Result has 136 places, 126 transitions, 319 flow
[2024-11-23 23:21:48,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=319, PETRI_PLACES=136, PETRI_TRANSITIONS=126}
[2024-11-23 23:21:48,314 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 10 predicate places.
[2024-11-23 23:21:48,315 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 126 transitions, 319 flow
[2024-11-23 23:21:48,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:48,315 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:48,315 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]
[2024-11-23 23:21:48,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-23 23:21:48,316 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:48,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:48,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1361390308, now seen corresponding path program 1 times
[2024-11-23 23:21:48,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:48,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815093769]
[2024-11-23 23:21:48,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:48,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815093769]
[2024-11-23 23:21:48,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815093769] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:48,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:48,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:48,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705196093]
[2024-11-23 23:21:48,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:48,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:48,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:48,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:48,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:48,699 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 125
[2024-11-23 23:21:48,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 126 transitions, 319 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:48,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:48,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 125
[2024-11-23 23:21:48,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:49,901 INFO L124 PetriNetUnfolderBase]: 2000/6634 cut-off events.
[2024-11-23 23:21:49,901 INFO L125 PetriNetUnfolderBase]: For 564/564 co-relation queries the response was YES.
[2024-11-23 23:21:49,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10863 conditions, 6634 events. 2000/6634 cut-off events. For 564/564 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 66099 event pairs, 899 based on Foata normal form. 0/5999 useless extension candidates. Maximal degree in co-relation 10527. Up to 2164 conditions per place.
[2024-11-23 23:21:50,044 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 49 selfloop transitions, 5 changer transitions 0/149 dead transitions.
[2024-11-23 23:21:50,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 149 transitions, 473 flow
[2024-11-23 23:21:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 606 transitions.
[2024-11-23 23:21:50,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.808
[2024-11-23 23:21:50,047 INFO L175 Difference]: Start difference. First operand has 136 places, 126 transitions, 319 flow. Second operand 6 states and 606 transitions.
[2024-11-23 23:21:50,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 149 transitions, 473 flow
[2024-11-23 23:21:50,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 149 transitions, 461 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-23 23:21:50,057 INFO L231 Difference]: Finished difference. Result has 133 places, 125 transitions, 315 flow
[2024-11-23 23:21:50,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=315, PETRI_PLACES=133, PETRI_TRANSITIONS=125}
[2024-11-23 23:21:50,058 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 7 predicate places.
[2024-11-23 23:21:50,058 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 315 flow
[2024-11-23 23:21:50,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:50,059 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:50,059 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]
[2024-11-23 23:21:50,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-23 23:21:50,059 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:50,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:50,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1301682320, now seen corresponding path program 1 times
[2024-11-23 23:21:50,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:50,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663191914]
[2024-11-23 23:21:50,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:50,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:50,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663191914]
[2024-11-23 23:21:50,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663191914] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:50,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:50,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:50,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30431789]
[2024-11-23 23:21:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:50,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:50,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:50,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:50,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:50,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125
[2024-11-23 23:21:50,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:50,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:50,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125
[2024-11-23 23:21:50,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:51,118 INFO L124 PetriNetUnfolderBase]: 1740/6509 cut-off events.
[2024-11-23 23:21:51,118 INFO L125 PetriNetUnfolderBase]: For 1543/2148 co-relation queries the response was YES.
[2024-11-23 23:21:51,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10834 conditions, 6509 events. 1740/6509 cut-off events. For 1543/2148 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 67739 event pairs, 967 based on Foata normal form. 10/5720 useless extension candidates. Maximal degree in co-relation 9068. Up to 2240 conditions per place.
[2024-11-23 23:21:51,159 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 29 selfloop transitions, 9 changer transitions 0/140 dead transitions.
[2024-11-23 23:21:51,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 140 transitions, 449 flow
[2024-11-23 23:21:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions.
[2024-11-23 23:21:51,161 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666
[2024-11-23 23:21:51,162 INFO L175 Difference]: Start difference. First operand has 133 places, 125 transitions, 315 flow. Second operand 3 states and 340 transitions.
[2024-11-23 23:21:51,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 140 transitions, 449 flow
[2024-11-23 23:21:51,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 140 transitions, 439 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:51,165 INFO L231 Difference]: Finished difference. Result has 132 places, 132 transitions, 381 flow
[2024-11-23 23:21:51,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=132, PETRI_TRANSITIONS=132}
[2024-11-23 23:21:51,166 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 6 predicate places.
[2024-11-23 23:21:51,166 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 132 transitions, 381 flow
[2024-11-23 23:21:51,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:51,166 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:51,166 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]
[2024-11-23 23:21:51,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-23 23:21:51,167 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:51,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2033029429, now seen corresponding path program 1 times
[2024-11-23 23:21:51,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:51,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127929938]
[2024-11-23 23:21:51,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:51,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:51,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127929938]
[2024-11-23 23:21:51,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127929938] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:51,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:51,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:51,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830907891]
[2024-11-23 23:21:51,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:51,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:51,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:51,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:51,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:51,622 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 125
[2024-11-23 23:21:51,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 132 transitions, 381 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:51,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:51,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 125
[2024-11-23 23:21:51,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:53,094 INFO L124 PetriNetUnfolderBase]: 2856/10331 cut-off events.
[2024-11-23 23:21:53,094 INFO L125 PetriNetUnfolderBase]: For 1725/2289 co-relation queries the response was YES.
[2024-11-23 23:21:53,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17463 conditions, 10331 events. 2856/10331 cut-off events. For 1725/2289 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 114443 event pairs, 1400 based on Foata normal form. 17/9185 useless extension candidates. Maximal degree in co-relation 13963. Up to 2139 conditions per place.
[2024-11-23 23:21:53,166 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 46 selfloop transitions, 5 changer transitions 0/155 dead transitions.
[2024-11-23 23:21:53,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 155 transitions, 529 flow
[2024-11-23 23:21:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 616 transitions.
[2024-11-23 23:21:53,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213333333333334
[2024-11-23 23:21:53,169 INFO L175 Difference]: Start difference. First operand has 132 places, 132 transitions, 381 flow. Second operand 6 states and 616 transitions.
[2024-11-23 23:21:53,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 155 transitions, 529 flow
[2024-11-23 23:21:53,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 155 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:53,181 INFO L231 Difference]: Finished difference. Result has 134 places, 131 transitions, 371 flow
[2024-11-23 23:21:53,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=134, PETRI_TRANSITIONS=131}
[2024-11-23 23:21:53,182 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 8 predicate places.
[2024-11-23 23:21:53,183 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 131 transitions, 371 flow
[2024-11-23 23:21:53,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:53,183 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:53,183 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]
[2024-11-23 23:21:53,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-23 23:21:53,184 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:53,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 40832454, now seen corresponding path program 1 times
[2024-11-23 23:21:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:53,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430336741]
[2024-11-23 23:21:53,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:53,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:53,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430336741]
[2024-11-23 23:21:53,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430336741] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:53,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:53,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:21:53,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765197975]
[2024-11-23 23:21:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:53,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:21:53,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:53,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:21:53,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:21:53,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 125
[2024-11-23 23:21:53,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 131 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:53,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:53,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 125
[2024-11-23 23:21:53,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:54,255 INFO L124 PetriNetUnfolderBase]: 1305/6108 cut-off events.
[2024-11-23 23:21:54,255 INFO L125 PetriNetUnfolderBase]: For 975/1236 co-relation queries the response was YES.
[2024-11-23 23:21:54,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10066 conditions, 6108 events. 1305/6108 cut-off events. For 975/1236 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 62999 event pairs, 532 based on Foata normal form. 65/5601 useless extension candidates. Maximal degree in co-relation 4987. Up to 1228 conditions per place.
[2024-11-23 23:21:54,298 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 38 selfloop transitions, 6 changer transitions 0/150 dead transitions.
[2024-11-23 23:21:54,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 150 transitions, 508 flow
[2024-11-23 23:21:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:21:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:21:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions.
[2024-11-23 23:21:54,301 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.844
[2024-11-23 23:21:54,301 INFO L175 Difference]: Start difference. First operand has 134 places, 131 transitions, 371 flow. Second operand 6 states and 633 transitions.
[2024-11-23 23:21:54,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 150 transitions, 508 flow
[2024-11-23 23:21:54,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 150 transitions, 496 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:21:54,308 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 387 flow
[2024-11-23 23:21:54,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=136, PETRI_TRANSITIONS=133}
[2024-11-23 23:21:54,309 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 10 predicate places.
[2024-11-23 23:21:54,309 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 387 flow
[2024-11-23 23:21:54,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:54,310 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:54,310 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:54,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-23 23:21:54,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:54,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:54,311 INFO L85 PathProgramCache]: Analyzing trace with hash -310036710, now seen corresponding path program 1 times
[2024-11-23 23:21:54,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:54,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383631893]
[2024-11-23 23:21:54,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:54,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:54,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:54,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383631893]
[2024-11-23 23:21:54,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383631893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:54,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:54,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:54,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108505484]
[2024-11-23 23:21:54,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:54,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:54,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:54,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:54,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:54,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125
[2024-11-23 23:21:54,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:54,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:54,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125
[2024-11-23 23:21:54,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:55,225 INFO L124 PetriNetUnfolderBase]: 1088/4747 cut-off events.
[2024-11-23 23:21:55,226 INFO L125 PetriNetUnfolderBase]: For 2403/2621 co-relation queries the response was YES.
[2024-11-23 23:21:55,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8849 conditions, 4747 events. 1088/4747 cut-off events. For 2403/2621 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 49163 event pairs, 589 based on Foata normal form. 7/4393 useless extension candidates. Maximal degree in co-relation 8119. Up to 1450 conditions per place.
[2024-11-23 23:21:55,270 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 31 selfloop transitions, 13 changer transitions 0/149 dead transitions.
[2024-11-23 23:21:55,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 149 transitions, 548 flow
[2024-11-23 23:21:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions.
[2024-11-23 23:21:55,272 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.904
[2024-11-23 23:21:55,272 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 387 flow. Second operand 3 states and 339 transitions.
[2024-11-23 23:21:55,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 149 transitions, 548 flow
[2024-11-23 23:21:55,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 149 transitions, 540 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 23:21:55,280 INFO L231 Difference]: Finished difference. Result has 137 places, 142 transitions, 497 flow
[2024-11-23 23:21:55,281 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=137, PETRI_TRANSITIONS=142}
[2024-11-23 23:21:55,281 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 11 predicate places.
[2024-11-23 23:21:55,281 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 142 transitions, 497 flow
[2024-11-23 23:21:55,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:55,282 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:55,282 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:55,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-23 23:21:55,283 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:55,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:55,284 INFO L85 PathProgramCache]: Analyzing trace with hash -305102546, now seen corresponding path program 1 times
[2024-11-23 23:21:55,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:55,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710719421]
[2024-11-23 23:21:55,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:55,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:55,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:55,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710719421]
[2024-11-23 23:21:55,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710719421] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:55,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:55,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:21:55,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931932866]
[2024-11-23 23:21:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:55,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:55,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:55,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 125
[2024-11-23 23:21:55,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 142 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:55,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:55,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 125
[2024-11-23 23:21:55,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:55,689 INFO L124 PetriNetUnfolderBase]: 124/1629 cut-off events.
[2024-11-23 23:21:55,689 INFO L125 PetriNetUnfolderBase]: For 710/827 co-relation queries the response was YES.
[2024-11-23 23:21:55,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2647 conditions, 1629 events. 124/1629 cut-off events. For 710/827 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 13430 event pairs, 20 based on Foata normal form. 21/1580 useless extension candidates. Maximal degree in co-relation 1069. Up to 142 conditions per place.
[2024-11-23 23:21:55,697 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 12 selfloop transitions, 6 changer transitions 0/137 dead transitions.
[2024-11-23 23:21:55,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 137 transitions, 470 flow
[2024-11-23 23:21:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions.
[2024-11-23 23:21:55,699 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.928
[2024-11-23 23:21:55,699 INFO L175 Difference]: Start difference. First operand has 137 places, 142 transitions, 497 flow. Second operand 3 states and 348 transitions.
[2024-11-23 23:21:55,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 137 transitions, 470 flow
[2024-11-23 23:21:55,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 137 transitions, 456 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-11-23 23:21:55,705 INFO L231 Difference]: Finished difference. Result has 137 places, 132 transitions, 401 flow
[2024-11-23 23:21:55,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=137, PETRI_TRANSITIONS=132}
[2024-11-23 23:21:55,706 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 11 predicate places.
[2024-11-23 23:21:55,706 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 132 transitions, 401 flow
[2024-11-23 23:21:55,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:55,706 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:55,707 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:55,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-23 23:21:55,707 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:55,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:55,708 INFO L85 PathProgramCache]: Analyzing trace with hash -731868241, now seen corresponding path program 1 times
[2024-11-23 23:21:55,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:55,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875289414]
[2024-11-23 23:21:55,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:55,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:55,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875289414]
[2024-11-23 23:21:55,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875289414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:55,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:55,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74370294]
[2024-11-23 23:21:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:55,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:55,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:55,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:55,790 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125
[2024-11-23 23:21:55,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 132 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:55,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:55,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125
[2024-11-23 23:21:55,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:56,072 INFO L124 PetriNetUnfolderBase]: 203/1827 cut-off events.
[2024-11-23 23:21:56,072 INFO L125 PetriNetUnfolderBase]: For 1279/1344 co-relation queries the response was YES.
[2024-11-23 23:21:56,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3402 conditions, 1827 events. 203/1827 cut-off events. For 1279/1344 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 16015 event pairs, 134 based on Foata normal form. 3/1739 useless extension candidates. Maximal degree in co-relation 2856. Up to 435 conditions per place.
[2024-11-23 23:21:56,081 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 25 selfloop transitions, 5 changer transitions 0/137 dead transitions.
[2024-11-23 23:21:56,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 137 transitions, 483 flow
[2024-11-23 23:21:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions.
[2024-11-23 23:21:56,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8853333333333333
[2024-11-23 23:21:56,082 INFO L175 Difference]: Start difference. First operand has 137 places, 132 transitions, 401 flow. Second operand 3 states and 332 transitions.
[2024-11-23 23:21:56,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 137 transitions, 483 flow
[2024-11-23 23:21:56,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 137 transitions, 477 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:21:56,087 INFO L231 Difference]: Finished difference. Result has 140 places, 135 transitions, 435 flow
[2024-11-23 23:21:56,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=140, PETRI_TRANSITIONS=135}
[2024-11-23 23:21:56,088 INFO L279 CegarLoopForPetriNet]: 126 programPoint places, 14 predicate places.
[2024-11-23 23:21:56,088 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 135 transitions, 435 flow
[2024-11-23 23:21:56,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:56,090 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:56,090 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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]
[2024-11-23 23:21:56,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-23 23:21:56,090 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-11-23 23:21:56,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash 401071311, now seen corresponding path program 1 times
[2024-11-23 23:21:56,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:56,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65842574]
[2024-11-23 23:21:56,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:56,126 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:21:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:21:56,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:21:56,156 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-11-23 23:21:56,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-11-23 23:21:56,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-11-23 23:21:56,157 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-11-23 23:21:56,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-23 23:21:56,157 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:21:56,158 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 23:21:56,158 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-11-23 23:21:56,182 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-23 23:21:56,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 143 transitions, 326 flow
[2024-11-23 23:21:56,267 INFO L124 PetriNetUnfolderBase]: 43/562 cut-off events.
[2024-11-23 23:21:56,267 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2024-11-23 23:21:56,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 562 events. 43/562 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2000 event pairs, 6 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 356. Up to 32 conditions per place.
[2024-11-23 23:21:56,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 143 transitions, 326 flow
[2024-11-23 23:21:56,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 143 transitions, 326 flow
[2024-11-23 23:21:56,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:21:56,272 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;@4ecd4e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:21:56,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-23 23:21:56,275 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:21:56,275 INFO L124 PetriNetUnfolderBase]: 3/48 cut-off events.
[2024-11-23 23:21:56,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:21:56,275 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:56,276 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]
[2024-11-23 23:21:56,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:21:56,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash -287615391, now seen corresponding path program 1 times
[2024-11-23 23:21:56,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:56,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836532333]
[2024-11-23 23:21:56,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:56,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836532333]
[2024-11-23 23:21:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836532333] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:56,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:56,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:21:56,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347264127]
[2024-11-23 23:21:56,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:56,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:21:56,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:56,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:21:56,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:21:56,325 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143
[2024-11-23 23:21:56,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:56,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:56,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143
[2024-11-23 23:21:56,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:21:58,714 INFO L124 PetriNetUnfolderBase]: 7859/23223 cut-off events.
[2024-11-23 23:21:58,714 INFO L125 PetriNetUnfolderBase]: For 2457/2808 co-relation queries the response was YES.
[2024-11-23 23:21:58,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35573 conditions, 23223 events. 7859/23223 cut-off events. For 2457/2808 co-relation queries the response was YES. Maximal size of possible extension queue 772. Compared 267454 event pairs, 4292 based on Foata normal form. 899/21904 useless extension candidates. Maximal degree in co-relation 28335. Up to 7653 conditions per place.
[2024-11-23 23:21:58,843 INFO L140 encePairwiseOnDemand]: 133/143 looper letters, 30 selfloop transitions, 6 changer transitions 1/153 dead transitions.
[2024-11-23 23:21:58,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 153 transitions, 418 flow
[2024-11-23 23:21:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:21:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:21:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions.
[2024-11-23 23:21:58,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114219114219114
[2024-11-23 23:21:58,845 INFO L175 Difference]: Start difference. First operand has 145 places, 143 transitions, 326 flow. Second operand 3 states and 391 transitions.
[2024-11-23 23:21:58,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 153 transitions, 418 flow
[2024-11-23 23:21:58,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 153 transitions, 418 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 23:21:58,850 INFO L231 Difference]: Finished difference. Result has 149 places, 144 transitions, 364 flow
[2024-11-23 23:21:58,851 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=149, PETRI_TRANSITIONS=144}
[2024-11-23 23:21:58,851 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 4 predicate places.
[2024-11-23 23:21:58,851 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 144 transitions, 364 flow
[2024-11-23 23:21:58,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:58,852 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:21:58,852 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]
[2024-11-23 23:21:58,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-23 23:21:58,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:21:58,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:21:58,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1238020454, now seen corresponding path program 1 times
[2024-11-23 23:21:58,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:21:58,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593482515]
[2024-11-23 23:21:58,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:21:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:21:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:21:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:21:58,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:21:58,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593482515]
[2024-11-23 23:21:58,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593482515] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:21:58,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:21:58,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:21:58,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73141511]
[2024-11-23 23:21:58,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:21:58,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:21:58,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:21:58,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:21:58,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:21:59,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 143
[2024-11-23 23:21:59,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 144 transitions, 364 flow. Second operand has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:21:59,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:21:59,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 143
[2024-11-23 23:21:59,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:02,878 INFO L124 PetriNetUnfolderBase]: 9298/33531 cut-off events.
[2024-11-23 23:22:02,879 INFO L125 PetriNetUnfolderBase]: For 2629/2717 co-relation queries the response was YES.
[2024-11-23 23:22:02,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50460 conditions, 33531 events. 9298/33531 cut-off events. For 2629/2717 co-relation queries the response was YES. Maximal size of possible extension queue 902. Compared 429045 event pairs, 7446 based on Foata normal form. 1/29634 useless extension candidates. Maximal degree in co-relation 31413. Up to 10742 conditions per place.
[2024-11-23 23:22:03,204 INFO L140 encePairwiseOnDemand]: 135/143 looper letters, 28 selfloop transitions, 2 changer transitions 5/152 dead transitions.
[2024-11-23 23:22:03,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 152 transitions, 450 flow
[2024-11-23 23:22:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:22:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:22:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 714 transitions.
[2024-11-23 23:22:03,207 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8321678321678322
[2024-11-23 23:22:03,207 INFO L175 Difference]: Start difference. First operand has 149 places, 144 transitions, 364 flow. Second operand 6 states and 714 transitions.
[2024-11-23 23:22:03,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 152 transitions, 450 flow
[2024-11-23 23:22:03,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 152 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:22:03,279 INFO L231 Difference]: Finished difference. Result has 155 places, 145 transitions, 374 flow
[2024-11-23 23:22:03,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=155, PETRI_TRANSITIONS=145}
[2024-11-23 23:22:03,280 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 10 predicate places.
[2024-11-23 23:22:03,280 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 145 transitions, 374 flow
[2024-11-23 23:22:03,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:03,280 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:03,281 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]
[2024-11-23 23:22:03,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-23 23:22:03,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:03,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1936990500, now seen corresponding path program 1 times
[2024-11-23 23:22:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879420437]
[2024-11-23 23:22:03,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:22:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:03,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879420437]
[2024-11-23 23:22:03,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879420437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:03,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:03,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:22:03,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112969256]
[2024-11-23 23:22:03,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:03,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:22:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:03,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:22:03,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:22:03,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 143
[2024-11-23 23:22:03,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 145 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:03,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:03,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 143
[2024-11-23 23:22:03,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:08,156 INFO L124 PetriNetUnfolderBase]: 12654/34911 cut-off events.
[2024-11-23 23:22:08,156 INFO L125 PetriNetUnfolderBase]: For 3229/3233 co-relation queries the response was YES.
[2024-11-23 23:22:08,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57801 conditions, 34911 events. 12654/34911 cut-off events. For 3229/3233 co-relation queries the response was YES. Maximal size of possible extension queue 1440. Compared 423344 event pairs, 6023 based on Foata normal form. 0/31281 useless extension candidates. Maximal degree in co-relation 26413. Up to 12817 conditions per place.
[2024-11-23 23:22:08,381 INFO L140 encePairwiseOnDemand]: 137/143 looper letters, 61 selfloop transitions, 5 changer transitions 0/176 dead transitions.
[2024-11-23 23:22:08,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 176 transitions, 568 flow
[2024-11-23 23:22:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:22:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:22:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 702 transitions.
[2024-11-23 23:22:08,384 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182
[2024-11-23 23:22:08,384 INFO L175 Difference]: Start difference. First operand has 155 places, 145 transitions, 374 flow. Second operand 6 states and 702 transitions.
[2024-11-23 23:22:08,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 176 transitions, 568 flow
[2024-11-23 23:22:08,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 176 transitions, 556 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-23 23:22:08,433 INFO L231 Difference]: Finished difference. Result has 152 places, 144 transitions, 370 flow
[2024-11-23 23:22:08,433 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=370, PETRI_PLACES=152, PETRI_TRANSITIONS=144}
[2024-11-23 23:22:08,434 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 7 predicate places.
[2024-11-23 23:22:08,434 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 144 transitions, 370 flow
[2024-11-23 23:22:08,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:08,435 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:08,435 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]
[2024-11-23 23:22:08,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-23 23:22:08,435 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:08,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:08,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1961393040, now seen corresponding path program 1 times
[2024-11-23 23:22:08,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:08,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184477186]
[2024-11-23 23:22:08,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:08,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:22:08,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:08,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184477186]
[2024-11-23 23:22:08,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184477186] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:08,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:08,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:22:08,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595832706]
[2024-11-23 23:22:08,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:08,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:22:08,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:08,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:22:08,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:22:08,502 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 143
[2024-11-23 23:22:08,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 144 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:08,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:08,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 143
[2024-11-23 23:22:08,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:13,428 INFO L124 PetriNetUnfolderBase]: 13629/40864 cut-off events.
[2024-11-23 23:22:13,428 INFO L125 PetriNetUnfolderBase]: For 10548/13607 co-relation queries the response was YES.
[2024-11-23 23:22:13,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70264 conditions, 40864 events. 13629/40864 cut-off events. For 10548/13607 co-relation queries the response was YES. Maximal size of possible extension queue 1516. Compared 523458 event pairs, 7860 based on Foata normal form. 36/36075 useless extension candidates. Maximal degree in co-relation 58384. Up to 15880 conditions per place.
[2024-11-23 23:22:13,633 INFO L140 encePairwiseOnDemand]: 135/143 looper letters, 39 selfloop transitions, 11 changer transitions 0/165 dead transitions.
[2024-11-23 23:22:13,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 165 transitions, 556 flow
[2024-11-23 23:22:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:22:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:22:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions.
[2024-11-23 23:22:13,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9067599067599068
[2024-11-23 23:22:13,634 INFO L175 Difference]: Start difference. First operand has 152 places, 144 transitions, 370 flow. Second operand 3 states and 389 transitions.
[2024-11-23 23:22:13,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 165 transitions, 556 flow
[2024-11-23 23:22:13,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 165 transitions, 546 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:22:13,640 INFO L231 Difference]: Finished difference. Result has 151 places, 153 transitions, 456 flow
[2024-11-23 23:22:13,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=151, PETRI_TRANSITIONS=153}
[2024-11-23 23:22:13,641 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 6 predicate places.
[2024-11-23 23:22:13,641 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 153 transitions, 456 flow
[2024-11-23 23:22:13,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:13,641 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:13,641 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]
[2024-11-23 23:22:13,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-23 23:22:13,642 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:13,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:13,642 INFO L85 PathProgramCache]: Analyzing trace with hash 576688404, now seen corresponding path program 1 times
[2024-11-23 23:22:13,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:13,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845093965]
[2024-11-23 23:22:13,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:22:13,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:13,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845093965]
[2024-11-23 23:22:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845093965] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:13,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:13,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:22:13,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342020288]
[2024-11-23 23:22:13,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:13,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:22:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:13,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:22:13,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:22:13,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 143
[2024-11-23 23:22:13,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 153 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:13,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:13,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 143
[2024-11-23 23:22:13,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:19,182 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1023-4-->L1023-5: Formula: (= |v_#race~data~0_4| |v_threadThread3of4ForFork0_#t~nondet5_3|) InVars {threadThread3of4ForFork0_#t~nondet5=|v_threadThread3of4ForFork0_#t~nondet5_3|} OutVars{#race~data~0=|v_#race~data~0_4|, threadThread3of4ForFork0_#t~nondet5=|v_threadThread3of4ForFork0_#t~nondet5_3|} AuxVars[] AssignedVars[#race~data~0][150], [130#L1024true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 170#true, 44#L1022-3true, 145#true, 56#L1023-5true, 118#L1038-1true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 140#true, Black: 150#(= |#race~data~0| 0), 175#true, 144#true, 142#true])
[2024-11-23 23:22:19,183 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event
[2024-11-23 23:22:19,183 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event
[2024-11-23 23:22:19,183 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event
[2024-11-23 23:22:19,183 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event
[2024-11-23 23:22:19,311 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L1023-4-->L1023-5: Formula: (= |v_threadThread4of4ForFork0_#t~nondet5_3| |v_#race~data~0_4|) InVars {threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|} OutVars{threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|, #race~data~0=|v_#race~data~0_4|} AuxVars[] AssignedVars[#race~data~0][182], [24#L1023-5true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 170#true, 56#L1023-5true, 118#L1038-1true, 97#L1023-6true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 146#true, 140#true, 141#true, 175#true, Black: 150#(= |#race~data~0| 0), 144#true])
[2024-11-23 23:22:19,311 INFO L294 olderBase$Statistics]: this new event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,312 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,312 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,312 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,370 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1023-4-->L1023-5: Formula: (= |v_#race~data~0_4| |v_threadThread3of4ForFork0_#t~nondet5_3|) InVars {threadThread3of4ForFork0_#t~nondet5=|v_threadThread3of4ForFork0_#t~nondet5_3|} OutVars{#race~data~0=|v_#race~data~0_4|, threadThread3of4ForFork0_#t~nondet5=|v_threadThread3of4ForFork0_#t~nondet5_3|} AuxVars[] AssignedVars[#race~data~0][150], [Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 170#true, 145#true, 56#L1023-5true, 118#L1038-1true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 112#L1023-5true, 140#true, 175#true, Black: 150#(= |#race~data~0| 0), 21#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, 144#true, 142#true])
[2024-11-23 23:22:19,370 INFO L294 olderBase$Statistics]: this new event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,370 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event
[2024-11-23 23:22:19,370 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:19,370 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event
[2024-11-23 23:22:20,087 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L1023-4-->L1023-5: Formula: (= |v_threadThread4of4ForFork0_#t~nondet5_3| |v_#race~data~0_4|) InVars {threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|} OutVars{threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|, #race~data~0=|v_#race~data~0_4|} AuxVars[] AssignedVars[#race~data~0][177], [130#L1024true, 24#L1023-5true, 170#true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 56#L1023-5true, 118#L1038-1true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 146#true, 140#true, 141#true, 175#true, Black: 150#(= |#race~data~0| 0), 144#true])
[2024-11-23 23:22:20,087 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:20,087 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:20,087 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:20,087 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:20,483 INFO L124 PetriNetUnfolderBase]: 19867/57038 cut-off events.
[2024-11-23 23:22:20,483 INFO L125 PetriNetUnfolderBase]: For 9377/13245 co-relation queries the response was YES.
[2024-11-23 23:22:20,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99827 conditions, 57038 events. 19867/57038 cut-off events. For 9377/13245 co-relation queries the response was YES. Maximal size of possible extension queue 1934. Compared 746141 event pairs, 9570 based on Foata normal form. 80/49858 useless extension candidates. Maximal degree in co-relation 79001. Up to 12590 conditions per place.
[2024-11-23 23:22:20,811 INFO L140 encePairwiseOnDemand]: 137/143 looper letters, 58 selfloop transitions, 5 changer transitions 0/184 dead transitions.
[2024-11-23 23:22:20,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 184 transitions, 644 flow
[2024-11-23 23:22:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:22:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:22:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 712 transitions.
[2024-11-23 23:22:20,813 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8298368298368298
[2024-11-23 23:22:20,813 INFO L175 Difference]: Start difference. First operand has 151 places, 153 transitions, 456 flow. Second operand 6 states and 712 transitions.
[2024-11-23 23:22:20,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 184 transitions, 644 flow
[2024-11-23 23:22:20,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 184 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 23:22:20,903 INFO L231 Difference]: Finished difference. Result has 153 places, 152 transitions, 442 flow
[2024-11-23 23:22:20,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=153, PETRI_TRANSITIONS=152}
[2024-11-23 23:22:20,903 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 8 predicate places.
[2024-11-23 23:22:20,903 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 152 transitions, 442 flow
[2024-11-23 23:22:20,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:20,904 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:20,904 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]
[2024-11-23 23:22:20,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-23 23:22:20,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:20,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:20,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1379042701, now seen corresponding path program 1 times
[2024-11-23 23:22:20,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:20,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431611361]
[2024-11-23 23:22:20,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:20,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 23:22:20,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:20,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431611361]
[2024-11-23 23:22:20,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431611361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:20,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:20,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:22:20,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619708300]
[2024-11-23 23:22:20,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:20,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:22:20,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:20,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:22:20,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:22:21,086 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 143
[2024-11-23 23:22:21,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 152 transitions, 442 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:21,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:21,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 143
[2024-11-23 23:22:21,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:24,407 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L1023-4-->L1023-5: Formula: (= |v_threadThread4of4ForFork0_#t~nondet5_3| |v_#race~data~0_4|) InVars {threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|} OutVars{threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|, #race~data~0=|v_#race~data~0_4|} AuxVars[] AssignedVars[#race~data~0][173], [24#L1023-5true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 56#L1023-5true, 118#L1038-1true, 97#L1023-6true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 146#true, 140#true, 185#(<= 1 |ULTIMATE.start_main_~threads_total~0#1|), 141#true, 175#true, Black: 150#(= |#race~data~0| 0), 144#true])
[2024-11-23 23:22:24,407 INFO L294 olderBase$Statistics]: this new event has 152 ancestors and is cut-off event
[2024-11-23 23:22:24,407 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:24,407 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:24,407 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event
[2024-11-23 23:22:24,860 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L1023-4-->L1023-5: Formula: (= |v_threadThread4of4ForFork0_#t~nondet5_3| |v_#race~data~0_4|) InVars {threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|} OutVars{threadThread4of4ForFork0_#t~nondet5=|v_threadThread4of4ForFork0_#t~nondet5_3|, #race~data~0=|v_#race~data~0_4|} AuxVars[] AssignedVars[#race~data~0][172], [130#L1024true, 24#L1023-5true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 56#L1023-5true, 118#L1038-1true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 146#true, 140#true, 185#(<= 1 |ULTIMATE.start_main_~threads_total~0#1|), 141#true, 175#true, Black: 150#(= |#race~data~0| 0), 144#true])
[2024-11-23 23:22:24,860 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:24,860 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:24,860 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:24,860 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is not cut-off event
[2024-11-23 23:22:25,229 INFO L124 PetriNetUnfolderBase]: 10063/35805 cut-off events.
[2024-11-23 23:22:25,229 INFO L125 PetriNetUnfolderBase]: For 6128/8102 co-relation queries the response was YES.
[2024-11-23 23:22:25,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60768 conditions, 35805 events. 10063/35805 cut-off events. For 6128/8102 co-relation queries the response was YES. Maximal size of possible extension queue 1026. Compared 466531 event pairs, 5238 based on Foata normal form. 284/31943 useless extension candidates. Maximal degree in co-relation 31242. Up to 7614 conditions per place.
[2024-11-23 23:22:25,420 INFO L140 encePairwiseOnDemand]: 136/143 looper letters, 47 selfloop transitions, 6 changer transitions 0/176 dead transitions.
[2024-11-23 23:22:25,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 176 transitions, 610 flow
[2024-11-23 23:22:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:22:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 23:22:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 726 transitions.
[2024-11-23 23:22:25,422 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461
[2024-11-23 23:22:25,422 INFO L175 Difference]: Start difference. First operand has 153 places, 152 transitions, 442 flow. Second operand 6 states and 726 transitions.
[2024-11-23 23:22:25,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 176 transitions, 610 flow
[2024-11-23 23:22:25,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 176 transitions, 598 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-23 23:22:25,438 INFO L231 Difference]: Finished difference. Result has 155 places, 154 transitions, 458 flow
[2024-11-23 23:22:25,438 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=458, PETRI_PLACES=155, PETRI_TRANSITIONS=154}
[2024-11-23 23:22:25,438 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 10 predicate places.
[2024-11-23 23:22:25,438 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 154 transitions, 458 flow
[2024-11-23 23:22:25,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:25,439 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:25,439 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:22:25,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-23 23:22:25,439 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:25,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1460789145, now seen corresponding path program 1 times
[2024-11-23 23:22:25,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:25,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115185596]
[2024-11-23 23:22:25,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 23:22:25,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:25,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115185596]
[2024-11-23 23:22:25,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115185596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:25,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:25,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:22:25,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595878480]
[2024-11-23 23:22:25,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:25,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:22:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:25,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:22:25,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:22:25,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 143
[2024-11-23 23:22:25,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 154 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:25,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:25,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 143
[2024-11-23 23:22:25,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:30,424 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([541] L1037-1-->L1038: Formula: (= |v_#race~data~0_1| 0) InVars {} OutVars{#race~data~0=|v_#race~data~0_1|} AuxVars[] AssignedVars[#race~data~0][156], [189#true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 32#L1024true, 145#true, 97#L1023-6true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 140#true, 185#(<= 1 |ULTIMATE.start_main_~threads_total~0#1|), 143#true, Black: 148#true, Black: 183#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 186#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= 1 |ULTIMATE.start_main_~threads_total~0#1|)), 68#L1038true, 142#true])
[2024-11-23 23:22:30,424 INFO L294 olderBase$Statistics]: this new event has 171 ancestors and is cut-off event
[2024-11-23 23:22:30,424 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event
[2024-11-23 23:22:30,424 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is cut-off event
[2024-11-23 23:22:30,424 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event
[2024-11-23 23:22:30,434 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([541] L1037-1-->L1038: Formula: (= |v_#race~data~0_1| 0) InVars {} OutVars{#race~data~0=|v_#race~data~0_1|} AuxVars[] AssignedVars[#race~data~0][156], [189#true, Black: 155#(= |ULTIMATE.start_main_~i~0#1| 0), 145#true, 117#L1024-3true, 97#L1023-6true, Black: 172#(= |#race~data~0| |threadThread1of4ForFork0_#t~nondet5|), 140#true, 185#(<= 1 |ULTIMATE.start_main_~threads_total~0#1|), 143#true, Black: 148#true, Black: 183#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 186#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= 1 |ULTIMATE.start_main_~threads_total~0#1|)), 68#L1038true, 142#true])
[2024-11-23 23:22:30,434 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is cut-off event
[2024-11-23 23:22:30,434 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event
[2024-11-23 23:22:30,434 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is cut-off event
[2024-11-23 23:22:30,434 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event
[2024-11-23 23:22:30,490 INFO L124 PetriNetUnfolderBase]: 11773/38290 cut-off events.
[2024-11-23 23:22:30,490 INFO L125 PetriNetUnfolderBase]: For 22027/23808 co-relation queries the response was YES.
[2024-11-23 23:22:30,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74357 conditions, 38290 events. 11773/38290 cut-off events. For 22027/23808 co-relation queries the response was YES. Maximal size of possible extension queue 1515. Compared 514110 event pairs, 6499 based on Foata normal form. 24/34724 useless extension candidates. Maximal degree in co-relation 67309. Up to 13617 conditions per place.
[2024-11-23 23:22:30,703 INFO L140 encePairwiseOnDemand]: 135/143 looper letters, 43 selfloop transitions, 18 changer transitions 0/179 dead transitions.
[2024-11-23 23:22:30,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 179 transitions, 703 flow
[2024-11-23 23:22:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:22:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:22:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions.
[2024-11-23 23:22:30,704 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9044289044289044
[2024-11-23 23:22:30,704 INFO L175 Difference]: Start difference. First operand has 155 places, 154 transitions, 458 flow. Second operand 3 states and 388 transitions.
[2024-11-23 23:22:30,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 179 transitions, 703 flow
[2024-11-23 23:22:30,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 179 transitions, 695 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 23:22:30,718 INFO L231 Difference]: Finished difference. Result has 156 places, 168 transitions, 628 flow
[2024-11-23 23:22:30,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=156, PETRI_TRANSITIONS=168}
[2024-11-23 23:22:30,719 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 11 predicate places.
[2024-11-23 23:22:30,719 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 168 transitions, 628 flow
[2024-11-23 23:22:30,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:30,719 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:30,719 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:22:30,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-23 23:22:30,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:30,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash 390703629, now seen corresponding path program 1 times
[2024-11-23 23:22:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:30,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878875600]
[2024-11-23 23:22:30,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 23:22:30,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:30,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878875600]
[2024-11-23 23:22:30,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878875600] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:30,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:30,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:22:30,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374795208]
[2024-11-23 23:22:30,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:30,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:22:30,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:30,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:22:30,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:22:30,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 143
[2024-11-23 23:22:30,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 168 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:30,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:30,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 143
[2024-11-23 23:22:30,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:31,600 INFO L124 PetriNetUnfolderBase]: 660/6291 cut-off events.
[2024-11-23 23:22:31,600 INFO L125 PetriNetUnfolderBase]: For 3341/3863 co-relation queries the response was YES.
[2024-11-23 23:22:31,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10688 conditions, 6291 events. 660/6291 cut-off events. For 3341/3863 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 72154 event pairs, 237 based on Foata normal form. 177/6091 useless extension candidates. Maximal degree in co-relation 8380. Up to 678 conditions per place.
[2024-11-23 23:22:31,874 INFO L140 encePairwiseOnDemand]: 135/143 looper letters, 16 selfloop transitions, 8 changer transitions 0/158 dead transitions.
[2024-11-23 23:22:31,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 158 transitions, 561 flow
[2024-11-23 23:22:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:22:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:22:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions.
[2024-11-23 23:22:31,875 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254079254079254
[2024-11-23 23:22:31,875 INFO L175 Difference]: Start difference. First operand has 156 places, 168 transitions, 628 flow. Second operand 3 states and 397 transitions.
[2024-11-23 23:22:31,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 158 transitions, 561 flow
[2024-11-23 23:22:31,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 158 transitions, 547 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-11-23 23:22:31,881 INFO L231 Difference]: Finished difference. Result has 156 places, 151 transitions, 468 flow
[2024-11-23 23:22:31,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=156, PETRI_TRANSITIONS=151}
[2024-11-23 23:22:31,881 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 11 predicate places.
[2024-11-23 23:22:31,882 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 151 transitions, 468 flow
[2024-11-23 23:22:31,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:31,882 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:31,882 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:22:31,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-23 23:22:31,882 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:31,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:31,883 INFO L85 PathProgramCache]: Analyzing trace with hash 467563167, now seen corresponding path program 1 times
[2024-11-23 23:22:31,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:31,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151156073]
[2024-11-23 23:22:31,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 23:22:31,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:31,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151156073]
[2024-11-23 23:22:31,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151156073] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:31,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:31,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:22:31,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408470342]
[2024-11-23 23:22:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:31,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:22:31,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:31,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:22:31,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:22:31,944 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 143
[2024-11-23 23:22:31,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 151 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:31,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:31,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 143
[2024-11-23 23:22:31,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:33,047 INFO L124 PetriNetUnfolderBase]: 1120/7887 cut-off events.
[2024-11-23 23:22:33,048 INFO L125 PetriNetUnfolderBase]: For 6402/6521 co-relation queries the response was YES.
[2024-11-23 23:22:33,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15139 conditions, 7887 events. 1120/7887 cut-off events. For 6402/6521 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 94549 event pairs, 661 based on Foata normal form. 4/7384 useless extension candidates. Maximal degree in co-relation 11930. Up to 2068 conditions per place.
[2024-11-23 23:22:33,078 INFO L140 encePairwiseOnDemand]: 138/143 looper letters, 33 selfloop transitions, 5 changer transitions 0/158 dead transitions.
[2024-11-23 23:22:33,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 158 transitions, 582 flow
[2024-11-23 23:22:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:22:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:22:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions.
[2024-11-23 23:22:33,079 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8811188811188811
[2024-11-23 23:22:33,079 INFO L175 Difference]: Start difference. First operand has 156 places, 151 transitions, 468 flow. Second operand 3 states and 378 transitions.
[2024-11-23 23:22:33,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 158 transitions, 582 flow
[2024-11-23 23:22:33,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 158 transitions, 574 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:22:33,082 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 500 flow
[2024-11-23 23:22:33,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=159, PETRI_TRANSITIONS=154}
[2024-11-23 23:22:33,083 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 14 predicate places.
[2024-11-23 23:22:33,083 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 500 flow
[2024-11-23 23:22:33,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:33,083 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:33,084 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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]
[2024-11-23 23:22:33,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-23 23:22:33,084 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:33,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash 187513224, now seen corresponding path program 1 times
[2024-11-23 23:22:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:33,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124977690]
[2024-11-23 23:22:33,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:22:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-23 23:22:33,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:22:33,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124977690]
[2024-11-23 23:22:33,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124977690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:22:33,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:22:33,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:22:33,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87156065]
[2024-11-23 23:22:33,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:22:33,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:22:33,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:22:33,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:22:33,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:22:33,161 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 143
[2024-11-23 23:22:33,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:33,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:22:33,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 143
[2024-11-23 23:22:33,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:22:34,249 INFO L124 PetriNetUnfolderBase]: 1121/7928 cut-off events.
[2024-11-23 23:22:34,250 INFO L125 PetriNetUnfolderBase]: For 8520/8672 co-relation queries the response was YES.
[2024-11-23 23:22:34,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15851 conditions, 7928 events. 1121/7928 cut-off events. For 8520/8672 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 95322 event pairs, 707 based on Foata normal form. 4/7482 useless extension candidates. Maximal degree in co-relation 12732. Up to 2095 conditions per place.
[2024-11-23 23:22:34,281 INFO L140 encePairwiseOnDemand]: 138/143 looper letters, 33 selfloop transitions, 5 changer transitions 0/160 dead transitions.
[2024-11-23 23:22:34,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 160 transitions, 605 flow
[2024-11-23 23:22:34,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:22:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 23:22:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions.
[2024-11-23 23:22:34,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788
[2024-11-23 23:22:34,282 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 500 flow. Second operand 3 states and 377 transitions.
[2024-11-23 23:22:34,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 160 transitions, 605 flow
[2024-11-23 23:22:34,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 160 transitions, 591 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-11-23 23:22:34,289 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 528 flow
[2024-11-23 23:22:34,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=161, PETRI_TRANSITIONS=157}
[2024-11-23 23:22:34,290 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, 16 predicate places.
[2024-11-23 23:22:34,290 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 528 flow
[2024-11-23 23:22:34,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:22:34,290 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:22:34,290 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:22:34,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-23 23:22:34,290 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 23:22:34,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:22:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1981491718, now seen corresponding path program 1 times
[2024-11-23 23:22:34,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:22:34,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397999973]
[2024-11-23 23:22:34,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:22:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:22:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:22:34,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:22:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:22:34,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:22:34,379 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining)
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining)
[2024-11-23 23:22:34,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2024-11-23 23:22:34,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-11-23 23:22:34,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-11-23 23:22:34,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-11-23 23:22:34,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-11-23 23:22:34,381 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:22:34,512 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances
[2024-11-23 23:22:34,512 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:22:34,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:22:34 BasicIcfg
[2024-11-23 23:22:34,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:22:34,525 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:22:34,525 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:22:34,525 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:22:34,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:39" (3/4) ...
[2024-11-23 23:22:34,528 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 23:22:34,655 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9.
[2024-11-23 23:22:34,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:22:34,722 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:22:34,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:22:34,723 INFO L158 Benchmark]: Toolchain (without parser) took 56516.02ms. Allocated memory was 117.4MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 92.7MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,723 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:22:34,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.33ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.42ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,724 INFO L158 Benchmark]: Boogie Preprocessor took 36.28ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 61.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:22:34,725 INFO L158 Benchmark]: RCFGBuilder took 520.86ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 46.2MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,725 INFO L158 Benchmark]: TraceAbstraction took 54955.59ms. Allocated memory was 117.4MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 45.8MB in the beginning and 10.7GB in the end (delta: -10.7GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,725 INFO L158 Benchmark]: Witness Printer took 197.08ms. Allocated memory is still 13.6GB. Free memory was 10.7GB in the beginning and 10.7GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:22:34,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.64ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 755.33ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.42ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.28ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 61.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 520.86ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 46.2MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 54955.59ms. Allocated memory was 117.4MB in the beginning and 13.6GB in the end (delta: 13.5GB). Free memory was 45.8MB in the beginning and 10.7GB in the end (delta: -10.7GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB.
* Witness Printer took 197.08ms. Allocated memory is still 13.6GB. Free memory was 10.7GB in the beginning and 10.7GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 1023]: Data race detected
Data race detected
The following path leads to a data race:
[L1019] 0 int data = 0;
VAL [data=0]
[L1020] 0 pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
VAL [data=0, data_mutex={1:0}]
[L1028] 0 int threads_total = __VERIFIER_nondet_int();
VAL [data=0, data_mutex={1:0}, threads_total=2]
[L1029] CALL 0 assume_abort_if_not(threads_total >= 0)
[L1016] COND FALSE 0 !(!cond)
VAL [\old(cond)=1, cond=1, data=0, data_mutex={1:0}]
[L1029] RET 0 assume_abort_if_not(threads_total >= 0)
[L1030] 0 pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
VAL [data=0, data_mutex={1:0}, threads_total=2, tids={-2:0}]
[L1031] 0 int i = 0;
VAL [data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1031] COND TRUE 0 i < threads_total
VAL [data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1032] 0 pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
VAL [data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1032] FCALL, FORK 0 pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1031] 0 i++
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=2, tids={-2:0}]
[L1031] COND TRUE 0 i < threads_total
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=2, tids={-2:0}]
[L1032] 0 pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=2, tids={-2:0}]
[L1032] FCALL, FORK 0 pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=2, tids={-2:0}]
[L1031] 0 i++
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=2, threads_total=2, tids={-2:0}]
[L1031] COND FALSE 0 !(i < threads_total)
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=2, threads_total=2, tids={-2:0}]
[L1034] 0 int i = 0;
VAL [\old(arg)={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1023] 1 data = __VERIFIER_nondet_int()
VAL [\old(arg)={0:0}, arg={0:0}, data=0, data_mutex={1:0}]
[L1025] 1 return ((void *)0);
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}]
[L1034] COND TRUE 0 i < threads_total
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1035] EXPR 0 tids[i]
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1035] 0 pthread_join(tids[i], ((void *)0))
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1035] FCALL, JOIN 1 pthread_join(tids[i], ((void *)0))
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, threads_total=2, tids={-2:0}]
[L1034] 0 i += 2
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=2, threads_total=2, tids={-2:0}]
[L1034] COND FALSE 0 !(i < threads_total)
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, i=2, threads_total=2, tids={-2:0}]
[L1023] 2 data = __VERIFIER_nondet_int()
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}]
[L1038] 0 return data;
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}, threads_total=2, tids={-2:0}]
[L1023] 2 data = __VERIFIER_nondet_int()
VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, data=0, data_mutex={1:0}]
Now there is a data race on ~data~0 between
C: return data; [1038]
and
C: data = __VERIFIER_nondet_int() [1023]
- UnprovableResult [Line: 1038]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1035]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1032]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1032]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 103 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 5 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
CFG has 4 procedures, 120 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 457 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 306 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 684 IncrementalHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 79 mSDtfsCounter, 684 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=7, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
CFG has 5 procedures, 137 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.7s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 600 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 906 IncrementalHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 26 mSDtfsCounter, 906 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=7, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 566 NumberOfCodeBlocks, 566 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances
CFG has 6 procedures, 154 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 38.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 695 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 420 mSDsluCounter, 236 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 85 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1119 IncrementalHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 151 mSDtfsCounter, 1119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=7, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 565 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 23:22:34,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25698dec-d6ec-410c-b779-d305014f15c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)