./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.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_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/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_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/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_4afb52c0-b92b-4f98-829b-32274913d2ba/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 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:15:32,848 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:15:32,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 01:15:32,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:15:32,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:15:33,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:15:33,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:15:33,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:15:33,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:15:33,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:15:33,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:15:33,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:15:33,011 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:15:33,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:15:33,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:15:33,012 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:15:33,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:15:33,012 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:15:33,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:15:33,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:15:33,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:15:33,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:15:33,013 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 01:15:33,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:15:33,013 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:15:33,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:15:33,014 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:15:33,014 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:15:33,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:15:33,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:15:33,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:15:33,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:15:33,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:15:33,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:15:33,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:15:33,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:15:33,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:15:33,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:15:33,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:15:33,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:15:33,018 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_4afb52c0-b92b-4f98-829b-32274913d2ba/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 -> 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7
[2024-11-24 01:15:33,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:15:33,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:15:33,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:15:33,469 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:15:33,469 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:15:33,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i
[2024-11-24 01:15:36,938 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/data/7ea9f8da6/5fa93a527c8f4e9fa32f814943d4f2ea/FLAG6a51c7601
[2024-11-24 01:15:37,422 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:15:37,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i
[2024-11-24 01:15:37,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/data/7ea9f8da6/5fa93a527c8f4e9fa32f814943d4f2ea/FLAG6a51c7601
[2024-11-24 01:15:37,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/data/7ea9f8da6/5fa93a527c8f4e9fa32f814943d4f2ea
[2024-11-24 01:15:37,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:15:37,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:15:37,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:15:37,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:15:37,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:15:37,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:37" (1/1) ...
[2024-11-24 01:15:37,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32f885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:37, skipping insertion in model container
[2024-11-24 01:15:37,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:37" (1/1) ...
[2024-11-24 01:15:37,543 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:15:38,163 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:15:38,211 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:15:38,320 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:15:38,411 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:15:38,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38 WrapperNode
[2024-11-24 01:15:38,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:15:38,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:15:38,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:15:38,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:15:38,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,535 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 289
[2024-11-24 01:15:38,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:15:38,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:15:38,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:15:38,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:15:38,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:15:38,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:15:38,619 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:15:38,619 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:15:38,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (1/1) ...
[2024-11-24 01:15:38,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:15:38,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:15:38,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:15:38,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 01:15:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-24 01:15:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 01:15:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:15:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-11-24 01:15:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-24 01:15:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-24 01:15:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 01:15:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:15:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:15:38,707 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 01:15:38,939 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:15:38,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:15:39,863 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 01:15:39,864 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:15:39,899 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:15:39,899 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-24 01:15:39,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:39 BoogieIcfgContainer
[2024-11-24 01:15:39,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:15:39,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:15:39,902 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:15:39,918 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:15:39,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:15:37" (1/3) ...
[2024-11-24 01:15:39,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34dc30ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:39, skipping insertion in model container
[2024-11-24 01:15:39,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:38" (2/3) ...
[2024-11-24 01:15:39,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34dc30ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:39, skipping insertion in model container
[2024-11-24 01:15:39,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:39" (3/3) ...
[2024-11-24 01:15:39,921 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.i
[2024-11-24 01:15:39,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:15:39,944 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_16-arrayloop_rc.i that has 2 procedures, 319 locations, 1 initial locations, 3 loop locations, and 18 error locations.
[2024-11-24 01:15:39,944 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 01:15:40,078 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 01:15:40,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 324 transitions, 652 flow
[2024-11-24 01:15:40,338 INFO L124 PetriNetUnfolderBase]: 6/323 cut-off events.
[2024-11-24 01:15:40,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:15:40,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 323 events. 6/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 422 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place.
[2024-11-24 01:15:40,354 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 324 transitions, 652 flow
[2024-11-24 01:15:40,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 323 transitions, 649 flow
[2024-11-24 01:15:40,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:15:40,387 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;@228eedca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:15:40,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-24 01:15:40,478 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 01:15:40,478 INFO L124 PetriNetUnfolderBase]: 3/125 cut-off events.
[2024-11-24 01:15:40,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:15:40,479 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:40,480 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:40,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:40,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:40,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1554738074, now seen corresponding path program 1 times
[2024-11-24 01:15:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:40,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927382843]
[2024-11-24 01:15:40,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:42,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:42,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927382843]
[2024-11-24 01:15:42,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927382843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:15:42,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:15:42,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:15:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304513308]
[2024-11-24 01:15:42,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:15:42,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:15:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:42,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:15:42,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:15:43,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324
[2024-11-24 01:15:43,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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)
[2024-11-24 01:15:43,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:15:43,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324
[2024-11-24 01:15:43,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:15:45,562 INFO L124 PetriNetUnfolderBase]: 1265/4876 cut-off events.
[2024-11-24 01:15:45,563 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 01:15:45,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7420 conditions, 4876 events. 1265/4876 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 36076 event pairs, 912 based on Foata normal form. 139/4608 useless extension candidates. Maximal degree in co-relation 7280. Up to 2359 conditions per place.
[2024-11-24 01:15:45,594 INFO L140 encePairwiseOnDemand]: 284/324 looper letters, 84 selfloop transitions, 107 changer transitions 0/428 dead transitions.
[2024-11-24 01:15:45,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 428 transitions, 1241 flow
[2024-11-24 01:15:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:15:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:15:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions.
[2024-11-24 01:15:45,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8374485596707819
[2024-11-24 01:15:45,630 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 649 flow. Second operand 6 states and 1628 transitions.
[2024-11-24 01:15:45,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 428 transitions, 1241 flow
[2024-11-24 01:15:45,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 428 transitions, 1240 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:15:45,651 INFO L231 Difference]: Finished difference. Result has 329 places, 420 transitions, 1330 flow
[2024-11-24 01:15:45,655 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1330, PETRI_PLACES=329, PETRI_TRANSITIONS=420}
[2024-11-24 01:15:45,659 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 8 predicate places.
[2024-11-24 01:15:45,660 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 420 transitions, 1330 flow
[2024-11-24 01:15:45,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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)
[2024-11-24 01:15:45,661 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:45,661 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:45,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:15:45,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:45,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:45,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1997734048, now seen corresponding path program 1 times
[2024-11-24 01:15:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:45,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980076154]
[2024-11-24 01:15:45,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:45,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:46,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:46,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980076154]
[2024-11-24 01:15:46,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980076154] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:15:46,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:15:46,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:15:46,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498477485]
[2024-11-24 01:15:46,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:15:46,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:15:46,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:46,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:15:46,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:15:47,431 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324
[2024-11-24 01:15:47,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 420 transitions, 1330 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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)
[2024-11-24 01:15:47,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:15:47,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324
[2024-11-24 01:15:47,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:15:49,213 INFO L124 PetriNetUnfolderBase]: 1530/5757 cut-off events.
[2024-11-24 01:15:49,213 INFO L125 PetriNetUnfolderBase]: For 1227/1227 co-relation queries the response was YES.
[2024-11-24 01:15:49,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10557 conditions, 5757 events. 1530/5757 cut-off events. For 1227/1227 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 43909 event pairs, 936 based on Foata normal form. 0/5320 useless extension candidates. Maximal degree in co-relation 10404. Up to 2635 conditions per place.
[2024-11-24 01:15:49,254 INFO L140 encePairwiseOnDemand]: 287/324 looper letters, 180 selfloop transitions, 107 changer transitions 0/528 dead transitions.
[2024-11-24 01:15:49,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 528 transitions, 2312 flow
[2024-11-24 01:15:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:15:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:15:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1621 transitions.
[2024-11-24 01:15:49,263 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8338477366255144
[2024-11-24 01:15:49,263 INFO L175 Difference]: Start difference. First operand has 329 places, 420 transitions, 1330 flow. Second operand 6 states and 1621 transitions.
[2024-11-24 01:15:49,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 528 transitions, 2312 flow
[2024-11-24 01:15:49,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 528 transitions, 2312 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 01:15:49,296 INFO L231 Difference]: Finished difference. Result has 338 places, 520 transitions, 2210 flow
[2024-11-24 01:15:49,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2210, PETRI_PLACES=338, PETRI_TRANSITIONS=520}
[2024-11-24 01:15:49,298 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 17 predicate places.
[2024-11-24 01:15:49,298 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 520 transitions, 2210 flow
[2024-11-24 01:15:49,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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)
[2024-11-24 01:15:49,300 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:49,300 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:49,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:15:49,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:49,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash 590225147, now seen corresponding path program 1 times
[2024-11-24 01:15:49,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:49,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864037476]
[2024-11-24 01:15:49,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:49,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:49,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864037476]
[2024-11-24 01:15:49,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864037476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:15:49,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:15:49,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:15:49,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927210106]
[2024-11-24 01:15:49,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:15:49,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:15:49,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:49,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:15:49,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:15:49,609 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 324
[2024-11-24 01:15:49,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 520 transitions, 2210 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 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)
[2024-11-24 01:15:49,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:15:49,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 324
[2024-11-24 01:15:49,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:15:50,832 INFO L124 PetriNetUnfolderBase]: 1081/4426 cut-off events.
[2024-11-24 01:15:50,832 INFO L125 PetriNetUnfolderBase]: For 1106/1112 co-relation queries the response was YES.
[2024-11-24 01:15:50,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 4426 events. 1081/4426 cut-off events. For 1106/1112 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 28487 event pairs, 108 based on Foata normal form. 4/4184 useless extension candidates. Maximal degree in co-relation 8615. Up to 1137 conditions per place.
[2024-11-24 01:15:50,875 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 16 selfloop transitions, 4 changer transitions 0/526 dead transitions.
[2024-11-24 01:15:50,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 526 transitions, 2262 flow
[2024-11-24 01:15:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:15:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:15:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions.
[2024-11-24 01:15:50,879 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.970164609053498
[2024-11-24 01:15:50,879 INFO L175 Difference]: Start difference. First operand has 338 places, 520 transitions, 2210 flow. Second operand 3 states and 943 transitions.
[2024-11-24 01:15:50,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 526 transitions, 2262 flow
[2024-11-24 01:15:50,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 526 transitions, 2070 flow, removed 96 selfloop flow, removed 0 redundant places.
[2024-11-24 01:15:50,984 INFO L231 Difference]: Finished difference. Result has 341 places, 522 transitions, 2042 flow
[2024-11-24 01:15:50,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2042, PETRI_PLACES=341, PETRI_TRANSITIONS=522}
[2024-11-24 01:15:50,987 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 20 predicate places.
[2024-11-24 01:15:50,988 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 522 transitions, 2042 flow
[2024-11-24 01:15:50,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 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)
[2024-11-24 01:15:50,989 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:50,989 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:50,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:15:50,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:50,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -372341436, now seen corresponding path program 1 times
[2024-11-24 01:15:50,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:50,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449029996]
[2024-11-24 01:15:50,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:51,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:51,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449029996]
[2024-11-24 01:15:51,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449029996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:15:51,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:15:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:15:51,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727413797]
[2024-11-24 01:15:51,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:15:51,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:15:51,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:51,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:15:51,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:15:52,584 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 324
[2024-11-24 01:15:52,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 522 transitions, 2042 flow. Second operand has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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)
[2024-11-24 01:15:52,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:15:52,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 324
[2024-11-24 01:15:52,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:15:55,900 INFO L124 PetriNetUnfolderBase]: 2970/10667 cut-off events.
[2024-11-24 01:15:55,900 INFO L125 PetriNetUnfolderBase]: For 6059/6162 co-relation queries the response was YES.
[2024-11-24 01:15:55,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23723 conditions, 10667 events. 2970/10667 cut-off events. For 6059/6162 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 84445 event pairs, 1872 based on Foata normal form. 0/10135 useless extension candidates. Maximal degree in co-relation 23467. Up to 5591 conditions per place.
[2024-11-24 01:15:55,984 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 285 selfloop transitions, 5 changer transitions 0/521 dead transitions.
[2024-11-24 01:15:55,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 521 transitions, 2620 flow
[2024-11-24 01:15:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:15:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:15:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions.
[2024-11-24 01:15:55,993 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7566872427983539
[2024-11-24 01:15:55,993 INFO L175 Difference]: Start difference. First operand has 341 places, 522 transitions, 2042 flow. Second operand 6 states and 1471 transitions.
[2024-11-24 01:15:55,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 521 transitions, 2620 flow
[2024-11-24 01:15:56,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 521 transitions, 2616 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:15:56,018 INFO L231 Difference]: Finished difference. Result has 344 places, 521 transitions, 2046 flow
[2024-11-24 01:15:56,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2046, PETRI_PLACES=344, PETRI_TRANSITIONS=521}
[2024-11-24 01:15:56,020 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 23 predicate places.
[2024-11-24 01:15:56,020 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 521 transitions, 2046 flow
[2024-11-24 01:15:56,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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)
[2024-11-24 01:15:56,021 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:56,022 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:56,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:15:56,022 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:56,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:56,023 INFO L85 PathProgramCache]: Analyzing trace with hash 133790432, now seen corresponding path program 1 times
[2024-11-24 01:15:56,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:56,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982019592]
[2024-11-24 01:15:56,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:56,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:56,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982019592]
[2024-11-24 01:15:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982019592] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:15:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995752179]
[2024-11-24 01:15:56,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:15:56,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:15:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:15:56,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:15:56,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:15:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:15:56,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:15:56,642 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:15:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:56,810 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:15:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:15:56,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995752179] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:15:56,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:15:56,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-24 01:15:56,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925147637]
[2024-11-24 01:15:56,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:15:56,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 01:15:56,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:56,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 01:15:56,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:15:57,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324
[2024-11-24 01:15:57,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 521 transitions, 2046 flow. Second operand has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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)
[2024-11-24 01:15:57,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:15:57,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324
[2024-11-24 01:15:57,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:15:58,547 INFO L124 PetriNetUnfolderBase]: 1095/4581 cut-off events.
[2024-11-24 01:15:58,547 INFO L125 PetriNetUnfolderBase]: For 683/689 co-relation queries the response was YES.
[2024-11-24 01:15:58,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8884 conditions, 4581 events. 1095/4581 cut-off events. For 683/689 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 29233 event pairs, 106 based on Foata normal form. 2/4328 useless extension candidates. Maximal degree in co-relation 8588. Up to 922 conditions per place.
[2024-11-24 01:15:58,569 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 22 selfloop transitions, 13 changer transitions 0/536 dead transitions.
[2024-11-24 01:15:58,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 536 transitions, 2148 flow
[2024-11-24 01:15:58,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 01:15:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 01:15:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2764 transitions.
[2024-11-24 01:15:58,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9478737997256516
[2024-11-24 01:15:58,577 INFO L175 Difference]: Start difference. First operand has 344 places, 521 transitions, 2046 flow. Second operand 9 states and 2764 transitions.
[2024-11-24 01:15:58,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 536 transitions, 2148 flow
[2024-11-24 01:15:58,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 536 transitions, 2138 flow, removed 0 selfloop flow, removed 5 redundant places.
[2024-11-24 01:15:58,599 INFO L231 Difference]: Finished difference. Result has 350 places, 528 transitions, 2104 flow
[2024-11-24 01:15:58,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2104, PETRI_PLACES=350, PETRI_TRANSITIONS=528}
[2024-11-24 01:15:58,600 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 29 predicate places.
[2024-11-24 01:15:58,601 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 528 transitions, 2104 flow
[2024-11-24 01:15:58,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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)
[2024-11-24 01:15:58,603 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:15:58,603 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:15:58,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 01:15:58,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:15:58,808 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:15:58,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:15:58,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1019909824, now seen corresponding path program 2 times
[2024-11-24 01:15:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:15:58,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708485664]
[2024-11-24 01:15:58,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 01:15:58,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:15:58,880 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 01:15:58,880 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:15:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked.
[2024-11-24 01:15:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:15:59,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708485664]
[2024-11-24 01:15:59,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708485664] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:15:59,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:15:59,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:15:59,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52967129]
[2024-11-24 01:15:59,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:15:59,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:15:59,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:15:59,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:15:59,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:16:00,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324
[2024-11-24 01:16:00,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 528 transitions, 2104 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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)
[2024-11-24 01:16:00,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:00,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324
[2024-11-24 01:16:00,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:04,489 INFO L124 PetriNetUnfolderBase]: 3572/12316 cut-off events.
[2024-11-24 01:16:04,489 INFO L125 PetriNetUnfolderBase]: For 5305/5421 co-relation queries the response was YES.
[2024-11-24 01:16:04,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26831 conditions, 12316 events. 3572/12316 cut-off events. For 5305/5421 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 97965 event pairs, 1616 based on Foata normal form. 0/11570 useless extension candidates. Maximal degree in co-relation 26497. Up to 6065 conditions per place.
[2024-11-24 01:16:04,547 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 245 selfloop transitions, 170 changer transitions 0/697 dead transitions.
[2024-11-24 01:16:04,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 697 transitions, 3412 flow
[2024-11-24 01:16:04,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:16:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:16:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions.
[2024-11-24 01:16:04,555 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218
[2024-11-24 01:16:04,555 INFO L175 Difference]: Start difference. First operand has 350 places, 528 transitions, 2104 flow. Second operand 6 states and 1684 transitions.
[2024-11-24 01:16:04,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 697 transitions, 3412 flow
[2024-11-24 01:16:04,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 697 transitions, 3402 flow, removed 3 selfloop flow, removed 1 redundant places.
[2024-11-24 01:16:04,592 INFO L231 Difference]: Finished difference. Result has 359 places, 689 transitions, 3344 flow
[2024-11-24 01:16:04,593 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3344, PETRI_PLACES=359, PETRI_TRANSITIONS=689}
[2024-11-24 01:16:04,596 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 38 predicate places.
[2024-11-24 01:16:04,596 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 689 transitions, 3344 flow
[2024-11-24 01:16:04,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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)
[2024-11-24 01:16:04,597 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:04,598 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:04,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:16:04,598 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:04,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash 848160965, now seen corresponding path program 1 times
[2024-11-24 01:16:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992869431]
[2024-11-24 01:16:04,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:16:04,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:16:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992869431]
[2024-11-24 01:16:05,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992869431] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:16:05,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675499426]
[2024-11-24 01:16:05,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:16:05,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:16:05,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:16:05,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:16:05,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:16:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:16:05,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 01:16:05,542 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:16:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:05,840 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:16:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:06,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675499426] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:16:06,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:16:06,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2024-11-24 01:16:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110018601]
[2024-11-24 01:16:06,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:16:06,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-24 01:16:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:06,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-24 01:16:06,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-11-24 01:16:06,899 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324
[2024-11-24 01:16:06,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 689 transitions, 3344 flow. Second operand has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 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)
[2024-11-24 01:16:06,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:06,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324
[2024-11-24 01:16:06,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:09,166 INFO L124 PetriNetUnfolderBase]: 1777/6922 cut-off events.
[2024-11-24 01:16:09,166 INFO L125 PetriNetUnfolderBase]: For 3171/3270 co-relation queries the response was YES.
[2024-11-24 01:16:09,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16029 conditions, 6922 events. 1777/6922 cut-off events. For 3171/3270 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 47983 event pairs, 163 based on Foata normal form. 4/6622 useless extension candidates. Maximal degree in co-relation 15428. Up to 1393 conditions per place.
[2024-11-24 01:16:09,210 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 26 selfloop transitions, 25 changer transitions 0/713 dead transitions.
[2024-11-24 01:16:09,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 713 transitions, 3546 flow
[2024-11-24 01:16:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-11-24 01:16:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2024-11-24 01:16:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6418 transitions.
[2024-11-24 01:16:09,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9432686654908877
[2024-11-24 01:16:09,229 INFO L175 Difference]: Start difference. First operand has 359 places, 689 transitions, 3344 flow. Second operand 21 states and 6418 transitions.
[2024-11-24 01:16:09,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 713 transitions, 3546 flow
[2024-11-24 01:16:09,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 713 transitions, 3510 flow, removed 18 selfloop flow, removed 0 redundant places.
[2024-11-24 01:16:09,297 INFO L231 Difference]: Finished difference. Result has 384 places, 702 transitions, 3452 flow
[2024-11-24 01:16:09,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3308, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3452, PETRI_PLACES=384, PETRI_TRANSITIONS=702}
[2024-11-24 01:16:09,299 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 63 predicate places.
[2024-11-24 01:16:09,299 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 702 transitions, 3452 flow
[2024-11-24 01:16:09,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 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)
[2024-11-24 01:16:09,302 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:09,303 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:09,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 01:16:09,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:16:09,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:09,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:09,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1733198459, now seen corresponding path program 2 times
[2024-11-24 01:16:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:09,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859356783]
[2024-11-24 01:16:09,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 01:16:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:09,647 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 01:16:09,648 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:16:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked.
[2024-11-24 01:16:10,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:10,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859356783]
[2024-11-24 01:16:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859356783] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:16:10,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:16:10,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:16:10,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117865251]
[2024-11-24 01:16:10,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:16:10,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:16:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:10,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:16:10,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:16:10,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324
[2024-11-24 01:16:10,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 702 transitions, 3452 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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)
[2024-11-24 01:16:10,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:10,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324
[2024-11-24 01:16:10,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:16,481 INFO L124 PetriNetUnfolderBase]: 4262/14691 cut-off events.
[2024-11-24 01:16:16,482 INFO L125 PetriNetUnfolderBase]: For 10658/10876 co-relation queries the response was YES.
[2024-11-24 01:16:16,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37001 conditions, 14691 events. 4262/14691 cut-off events. For 10658/10876 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 118936 event pairs, 1676 based on Foata normal form. 0/13895 useless extension candidates. Maximal degree in co-relation 36307. Up to 6898 conditions per place.
[2024-11-24 01:16:16,566 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 395 selfloop transitions, 170 changer transitions 0/871 dead transitions.
[2024-11-24 01:16:16,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 871 transitions, 5360 flow
[2024-11-24 01:16:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:16:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:16:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions.
[2024-11-24 01:16:16,572 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218
[2024-11-24 01:16:16,572 INFO L175 Difference]: Start difference. First operand has 384 places, 702 transitions, 3452 flow. Second operand 6 states and 1684 transitions.
[2024-11-24 01:16:16,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 871 transitions, 5360 flow
[2024-11-24 01:16:16,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 871 transitions, 5334 flow, removed 6 selfloop flow, removed 6 redundant places.
[2024-11-24 01:16:16,645 INFO L231 Difference]: Finished difference. Result has 388 places, 863 transitions, 4976 flow
[2024-11-24 01:16:16,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4976, PETRI_PLACES=388, PETRI_TRANSITIONS=863}
[2024-11-24 01:16:16,647 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 67 predicate places.
[2024-11-24 01:16:16,648 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 863 transitions, 4976 flow
[2024-11-24 01:16:16,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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)
[2024-11-24 01:16:16,648 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:16,649 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:16,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 01:16:16,649 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:16,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:16,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1402317739, now seen corresponding path program 1 times
[2024-11-24 01:16:16,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:16,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361621991]
[2024-11-24 01:16:16,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:16:16,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:16:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:18,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:18,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361621991]
[2024-11-24 01:16:18,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361621991] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:16:18,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887280284]
[2024-11-24 01:16:18,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:16:18,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:16:18,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:16:18,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:16:18,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:16:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:16:18,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-24 01:16:18,814 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:16:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:19,383 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:16:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:16:20,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887280284] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:16:20,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:16:20,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23
[2024-11-24 01:16:20,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390049716]
[2024-11-24 01:16:20,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:16:20,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-24 01:16:20,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:20,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-24 01:16:20,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2024-11-24 01:16:20,802 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324
[2024-11-24 01:16:20,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 863 transitions, 4976 flow. Second operand has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 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)
[2024-11-24 01:16:20,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:20,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324
[2024-11-24 01:16:20,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:25,193 INFO L124 PetriNetUnfolderBase]: 2478/9371 cut-off events.
[2024-11-24 01:16:25,193 INFO L125 PetriNetUnfolderBase]: For 7424/7570 co-relation queries the response was YES.
[2024-11-24 01:16:25,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24561 conditions, 9371 events. 2478/9371 cut-off events. For 7424/7570 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 68646 event pairs, 229 based on Foata normal form. 3/9001 useless extension candidates. Maximal degree in co-relation 23697. Up to 2112 conditions per place.
[2024-11-24 01:16:25,237 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 29 selfloop transitions, 34 changer transitions 0/886 dead transitions.
[2024-11-24 01:16:25,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 886 transitions, 5236 flow
[2024-11-24 01:16:25,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-11-24 01:16:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2024-11-24 01:16:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9156 transitions.
[2024-11-24 01:16:25,250 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419753086419753
[2024-11-24 01:16:25,250 INFO L175 Difference]: Start difference. First operand has 388 places, 863 transitions, 4976 flow. Second operand 30 states and 9156 transitions.
[2024-11-24 01:16:25,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 886 transitions, 5236 flow
[2024-11-24 01:16:25,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 886 transitions, 4900 flow, removed 168 selfloop flow, removed 0 redundant places.
[2024-11-24 01:16:25,356 INFO L231 Difference]: Finished difference. Result has 421 places, 873 transitions, 4806 flow
[2024-11-24 01:16:25,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4640, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4806, PETRI_PLACES=421, PETRI_TRANSITIONS=873}
[2024-11-24 01:16:25,358 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 100 predicate places.
[2024-11-24 01:16:25,358 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 873 transitions, 4806 flow
[2024-11-24 01:16:25,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 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)
[2024-11-24 01:16:25,361 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:25,361 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:25,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 01:16:25,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4afb52c0-b92b-4f98-829b-32274913d2ba/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-11-24 01:16:25,565 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:25,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash 328341154, now seen corresponding path program 2 times
[2024-11-24 01:16:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:25,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538095966]
[2024-11-24 01:16:25,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 01:16:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:25,694 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 01:16:25,694 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:16:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked.
[2024-11-24 01:16:26,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:26,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538095966]
[2024-11-24 01:16:26,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538095966] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:16:26,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:16:26,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:16:26,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988116653]
[2024-11-24 01:16:26,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:16:26,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 01:16:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:26,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 01:16:26,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:16:28,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324
[2024-11-24 01:16:28,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 873 transitions, 4806 flow. Second operand has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:16:28,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:28,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324
[2024-11-24 01:16:28,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:36,971 INFO L124 PetriNetUnfolderBase]: 4958/16109 cut-off events.
[2024-11-24 01:16:36,971 INFO L125 PetriNetUnfolderBase]: For 16981/17099 co-relation queries the response was YES.
[2024-11-24 01:16:37,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46850 conditions, 16109 events. 4958/16109 cut-off events. For 16981/17099 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 128485 event pairs, 1551 based on Foata normal form. 32/15472 useless extension candidates. Maximal degree in co-relation 45814. Up to 4580 conditions per place.
[2024-11-24 01:16:37,075 INFO L140 encePairwiseOnDemand]: 273/324 looper letters, 589 selfloop transitions, 184 changer transitions 0/1077 dead transitions.
[2024-11-24 01:16:37,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1077 transitions, 7550 flow
[2024-11-24 01:16:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-24 01:16:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-24 01:16:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3165 transitions.
[2024-11-24 01:16:37,081 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8140432098765432
[2024-11-24 01:16:37,081 INFO L175 Difference]: Start difference. First operand has 421 places, 873 transitions, 4806 flow. Second operand 12 states and 3165 transitions.
[2024-11-24 01:16:37,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1077 transitions, 7550 flow
[2024-11-24 01:16:37,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1077 transitions, 7502 flow, removed 5 selfloop flow, removed 18 redundant places.
[2024-11-24 01:16:37,181 INFO L231 Difference]: Finished difference. Result has 419 places, 892 transitions, 5516 flow
[2024-11-24 01:16:37,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4758, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5516, PETRI_PLACES=419, PETRI_TRANSITIONS=892}
[2024-11-24 01:16:37,183 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 98 predicate places.
[2024-11-24 01:16:37,183 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 892 transitions, 5516 flow
[2024-11-24 01:16:37,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:16:37,184 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:37,185 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:37,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 01:16:37,185 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:37,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:37,188 INFO L85 PathProgramCache]: Analyzing trace with hash -139104578, now seen corresponding path program 3 times
[2024-11-24 01:16:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:37,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344908236]
[2024-11-24 01:16:37,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-24 01:16:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:37,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-24 01:16:37,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:16:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked.
[2024-11-24 01:16:38,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:38,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344908236]
[2024-11-24 01:16:38,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344908236] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:16:38,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:16:38,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:16:38,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203443890]
[2024-11-24 01:16:38,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:16:38,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 01:16:38,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:38,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 01:16:38,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:16:39,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324
[2024-11-24 01:16:39,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 892 transitions, 5516 flow. Second operand has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:16:39,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:39,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324
[2024-11-24 01:16:39,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:16:49,421 INFO L124 PetriNetUnfolderBase]: 5667/18287 cut-off events.
[2024-11-24 01:16:49,421 INFO L125 PetriNetUnfolderBase]: For 25237/25694 co-relation queries the response was YES.
[2024-11-24 01:16:49,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57895 conditions, 18287 events. 5667/18287 cut-off events. For 25237/25694 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 149958 event pairs, 1736 based on Foata normal form. 97/17652 useless extension candidates. Maximal degree in co-relation 56876. Up to 5373 conditions per place.
[2024-11-24 01:16:49,531 INFO L140 encePairwiseOnDemand]: 269/324 looper letters, 831 selfloop transitions, 162 changer transitions 0/1297 dead transitions.
[2024-11-24 01:16:49,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1297 transitions, 10824 flow
[2024-11-24 01:16:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-11-24 01:16:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states.
[2024-11-24 01:16:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 5592 transitions.
[2024-11-24 01:16:49,540 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.750402576489533
[2024-11-24 01:16:49,540 INFO L175 Difference]: Start difference. First operand has 419 places, 892 transitions, 5516 flow. Second operand 23 states and 5592 transitions.
[2024-11-24 01:16:49,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1297 transitions, 10824 flow
[2024-11-24 01:16:49,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1297 transitions, 10586 flow, removed 1 selfloop flow, removed 6 redundant places.
[2024-11-24 01:16:49,664 INFO L231 Difference]: Finished difference. Result has 452 places, 1033 transitions, 7342 flow
[2024-11-24 01:16:49,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=5376, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=772, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7342, PETRI_PLACES=452, PETRI_TRANSITIONS=1033}
[2024-11-24 01:16:49,665 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 131 predicate places.
[2024-11-24 01:16:49,665 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 1033 transitions, 7342 flow
[2024-11-24 01:16:49,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:16:49,666 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:16:49,666 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:16:49,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:16:49,667 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:16:49,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:16:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1781891196, now seen corresponding path program 4 times
[2024-11-24 01:16:49,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:16:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280249126]
[2024-11-24 01:16:49,669 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-24 01:16:49,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:16:49,873 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-24 01:16:49,873 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:16:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked.
[2024-11-24 01:16:53,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:16:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280249126]
[2024-11-24 01:16:53,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280249126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:16:53,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:16:53,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:16:53,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128081756]
[2024-11-24 01:16:53,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:16:53,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 01:16:53,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:16:53,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 01:16:53,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:16:54,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324
[2024-11-24 01:16:54,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 1033 transitions, 7342 flow. Second operand has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:16:54,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:16:54,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324
[2024-11-24 01:16:54,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:17:04,905 INFO L124 PetriNetUnfolderBase]: 5852/18389 cut-off events.
[2024-11-24 01:17:04,905 INFO L125 PetriNetUnfolderBase]: For 34231/34437 co-relation queries the response was YES.
[2024-11-24 01:17:05,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63334 conditions, 18389 events. 5852/18389 cut-off events. For 34231/34437 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 149405 event pairs, 1553 based on Foata normal form. 72/17786 useless extension candidates. Maximal degree in co-relation 62238. Up to 4624 conditions per place.
[2024-11-24 01:17:05,185 INFO L140 encePairwiseOnDemand]: 273/324 looper letters, 659 selfloop transitions, 288 changer transitions 0/1251 dead transitions.
[2024-11-24 01:17:05,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1251 transitions, 10853 flow
[2024-11-24 01:17:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-24 01:17:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2024-11-24 01:17:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3398 transitions.
[2024-11-24 01:17:05,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8067426400759734
[2024-11-24 01:17:05,191 INFO L175 Difference]: Start difference. First operand has 452 places, 1033 transitions, 7342 flow. Second operand 13 states and 3398 transitions.
[2024-11-24 01:17:05,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1251 transitions, 10853 flow
[2024-11-24 01:17:05,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 1251 transitions, 10801 flow, removed 26 selfloop flow, removed 0 redundant places.
[2024-11-24 01:17:05,581 INFO L231 Difference]: Finished difference. Result has 471 places, 1062 transitions, 8725 flow
[2024-11-24 01:17:05,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=7298, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1033, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8725, PETRI_PLACES=471, PETRI_TRANSITIONS=1062}
[2024-11-24 01:17:05,583 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 150 predicate places.
[2024-11-24 01:17:05,583 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 1062 transitions, 8725 flow
[2024-11-24 01:17:05,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:17:05,584 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:17:05,585 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:17:05,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 01:17:05,585 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-24 01:17:05,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:17:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1900658100, now seen corresponding path program 5 times
[2024-11-24 01:17:05,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:17:05,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527073924]
[2024-11-24 01:17:05,589 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-24 01:17:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:17:06,530 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s)
[2024-11-24 01:17:06,531 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:17:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked.
[2024-11-24 01:17:09,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:17:09,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527073924]
[2024-11-24 01:17:09,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527073924] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:17:09,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:17:09,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:17:09,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024481519]
[2024-11-24 01:17:09,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:17:09,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 01:17:09,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:17:09,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 01:17:09,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:17:11,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324
[2024-11-24 01:17:11,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 1062 transitions, 8725 flow. Second operand has 11 states, 11 states have (on average 232.1818181818182) internal successors, (2554), 11 states have internal predecessors, (2554), 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)
[2024-11-24 01:17:11,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:17:11,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324
[2024-11-24 01:17:11,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand