./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-2.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/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_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/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_57238497-aa34-4357-8833-19388a123694/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 a0f042164bf78d3595348b117153fa7346585efa21c060e488a9879023a64e1b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:42:25,138 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:42:25,215 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 18:42:25,220 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:42:25,221 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:42:25,246 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:42:25,250 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:42:25,251 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:42:25,251 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:42:25,252 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:42:25,252 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:42:25,253 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 18:42:25,254 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 18:42:25,254 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:42:25,254 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:42:25,254 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 18:42:25,254 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 18:42:25,254 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-23 18:42:25,255 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-23 18:42:25,256 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 18:42:25,256 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 18:42:25,256 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:42:25,256 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 18:42:25,256 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:42:25,256 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 18:42:25,257 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 18:42:25,257 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:42:25,257 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:42:25,258 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 18:42:25,258 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 18:42:25,258 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:42:25,258 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:42:25,258 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:42:25,259 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:42:25,259 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_57238497-aa34-4357-8833-19388a123694/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 -> a0f042164bf78d3595348b117153fa7346585efa21c060e488a9879023a64e1b
[2024-11-23 18:42:25,587 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:42:25,597 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:42:25,602 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:42:25,603 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 18:42:25,605 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 18:42:25,607 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-lit/qw2004-2.i
[2024-11-23 18:42:28,640 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/data/f40635803/1f81fdb9247744a4b7a6b4edf70e05c1/FLAG07f4dc0e8
[2024-11-23 18:42:29,011 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 18:42:29,012 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/sv-benchmarks/c/pthread-lit/qw2004-2.i
[2024-11-23 18:42:29,038 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/data/f40635803/1f81fdb9247744a4b7a6b4edf70e05c1/FLAG07f4dc0e8
[2024-11-23 18:42:29,228 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/data/f40635803/1f81fdb9247744a4b7a6b4edf70e05c1
[2024-11-23 18:42:29,232 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:42:29,234 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:42:29,238 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:42:29,238 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:42:29,246 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:42:29,247 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,248 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209f10b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29, skipping insertion in model container
[2024-11-23 18:42:29,248 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,285 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:42:29,731 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:42:29,743 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 18:42:29,797 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:42:29,833 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 18:42:29,834 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29 WrapperNode
[2024-11-23 18:42:29,834 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:42:29,835 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:42:29,836 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:42:29,836 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:42:29,844 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,855 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,886 INFO  L138                Inliner]: procedures = 174, calls = 29, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 170
[2024-11-23 18:42:29,888 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:42:29,889 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:42:29,889 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:42:29,889 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:42:29,899 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,900 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,902 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,903 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,908 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,910 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,912 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,913 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,914 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,917 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:42:29,918 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:42:29,918 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:42:29,918 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:42:29,919 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (1/1) ...
[2024-11-23 18:42:29,925 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:42:29,950 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:42:29,967 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:42:29,975 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:42:30,006 INFO  L130     BoogieDeclarations]: Found specification of procedure BCSP_PnpStop
[2024-11-23 18:42:30,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop
[2024-11-23 18:42:30,006 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-23 18:42:30,006 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:42:30,006 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 18:42:30,006 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-23 18:42:30,007 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:42:30,007 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:42:30,008 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 18:42:30,144 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 18:42:30,147 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:42:30,448 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 18:42:30,448 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 18:42:30,552 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:42:30,553 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 18:42:30,556 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:30 BoogieIcfgContainer
[2024-11-23 18:42:30,556 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:42:30,559 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:42:30,560 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:42:30,565 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:42:30,565 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:42:29" (1/3) ...
[2024-11-23 18:42:30,566 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3b7edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:30, skipping insertion in model container
[2024-11-23 18:42:30,566 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:29" (2/3) ...
[2024-11-23 18:42:30,566 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3b7edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:30, skipping insertion in model container
[2024-11-23 18:42:30,566 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:30" (3/3) ...
[2024-11-23 18:42:30,568 INFO  L128   eAbstractionObserver]: Analyzing ICFG qw2004-2.i
[2024-11-23 18:42:30,584 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:42:30,586 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG qw2004-2.i that has 2 procedures, 147 locations, 1 initial locations, 0 loop locations, and 19 error locations.
[2024-11-23 18:42:30,586 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 18:42:30,666 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 18:42:30,731 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 150 places, 153 transitions, 310 flow
[2024-11-23 18:42:30,825 INFO  L124   PetriNetUnfolderBase]: 7/152 cut-off events.
[2024-11-23 18:42:30,829 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:30,840 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 156 conditions, 152 events. 7/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 219 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. 
[2024-11-23 18:42:30,841 INFO  L82        GeneralOperation]: Start removeDead. Operand has 150 places, 153 transitions, 310 flow
[2024-11-23 18:42:30,848 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 149 places, 152 transitions, 307 flow
[2024-11-23 18:42:30,862 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:42:30,882 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5caa52e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:42:30,884 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2024-11-23 18:42:30,894 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 18:42:30,895 INFO  L124   PetriNetUnfolderBase]: 0/16 cut-off events.
[2024-11-23 18:42:30,895 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:30,896 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:30,896 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:42:30,898 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:30,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:30,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 2080314901, now seen corresponding path program 1 times
[2024-11-23 18:42:30,914 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:30,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974180585]
[2024-11-23 18:42:30,916 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:30,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:31,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:31,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:31,182 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:31,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974180585]
[2024-11-23 18:42:31,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974180585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:31,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:31,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:31,185 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070861672]
[2024-11-23 18:42:31,188 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:31,195 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:31,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:31,224 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:31,225 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:31,252 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 153
[2024-11-23 18:42:31,256 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 152 transitions, 307 flow. Second operand  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:31,257 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:31,258 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 153
[2024-11-23 18:42:31,259 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:31,451 INFO  L124   PetriNetUnfolderBase]: 37/402 cut-off events.
[2024-11-23 18:42:31,451 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 18:42:31,453 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 472 conditions, 402 events. 37/402 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1666 event pairs, 17 based on Foata normal form. 15/369 useless extension candidates. Maximal degree in co-relation 421. Up to 64 conditions per place. 
[2024-11-23 18:42:31,456 INFO  L140   encePairwiseOnDemand]: 134/153 looper letters, 14 selfloop transitions, 2 changer transitions 0/133 dead transitions.
[2024-11-23 18:42:31,456 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 133 transitions, 301 flow
[2024-11-23 18:42:31,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:31,460 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:31,473 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions.
[2024-11-23 18:42:31,476 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8496732026143791
[2024-11-23 18:42:31,479 INFO  L175             Difference]: Start difference. First operand has 149 places, 152 transitions, 307 flow. Second operand 3 states and 390 transitions.
[2024-11-23 18:42:31,480 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 133 transitions, 301 flow
[2024-11-23 18:42:31,485 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 133 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 18:42:31,489 INFO  L231             Difference]: Finished difference. Result has 134 places, 133 transitions, 272 flow
[2024-11-23 18:42:31,492 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=134, PETRI_TRANSITIONS=133}
[2024-11-23 18:42:31,498 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -15 predicate places.
[2024-11-23 18:42:31,499 INFO  L471      AbstractCegarLoop]: Abstraction has has 134 places, 133 transitions, 272 flow
[2024-11-23 18:42:31,501 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:31,501 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:31,501 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]
[2024-11-23 18:42:31,501 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:42:31,501 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:31,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:31,502 INFO  L85        PathProgramCache]: Analyzing trace with hash -306112500, now seen corresponding path program 1 times
[2024-11-23 18:42:31,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:31,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097273450]
[2024-11-23 18:42:31,502 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:31,503 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:31,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:31,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:31,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:31,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097273450]
[2024-11-23 18:42:31,594 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097273450] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:31,594 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:31,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:31,594 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106273864]
[2024-11-23 18:42:31,594 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:31,595 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:31,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:31,596 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:31,596 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:31,622 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 153
[2024-11-23 18:42:31,623 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 133 transitions, 272 flow. Second operand  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:31,623 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:31,623 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 153
[2024-11-23 18:42:31,623 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:31,722 INFO  L124   PetriNetUnfolderBase]: 37/401 cut-off events.
[2024-11-23 18:42:31,723 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:31,725 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 473 conditions, 401 events. 37/401 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1665 event pairs, 17 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 449. Up to 64 conditions per place. 
[2024-11-23 18:42:31,726 INFO  L140   encePairwiseOnDemand]: 150/153 looper letters, 14 selfloop transitions, 2 changer transitions 0/132 dead transitions.
[2024-11-23 18:42:31,727 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 132 transitions, 302 flow
[2024-11-23 18:42:31,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:31,727 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:31,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions.
[2024-11-23 18:42:31,730 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8148148148148148
[2024-11-23 18:42:31,730 INFO  L175             Difference]: Start difference. First operand has 134 places, 133 transitions, 272 flow. Second operand 3 states and 374 transitions.
[2024-11-23 18:42:31,730 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 132 transitions, 302 flow
[2024-11-23 18:42:31,731 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 132 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:42:31,734 INFO  L231             Difference]: Finished difference. Result has 133 places, 132 transitions, 270 flow
[2024-11-23 18:42:31,734 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=133, PETRI_TRANSITIONS=132}
[2024-11-23 18:42:31,735 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -16 predicate places.
[2024-11-23 18:42:31,735 INFO  L471      AbstractCegarLoop]: Abstraction has has 133 places, 132 transitions, 270 flow
[2024-11-23 18:42:31,736 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:31,736 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:31,736 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:42:31,736 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:42:31,736 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:31,737 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:31,737 INFO  L85        PathProgramCache]: Analyzing trace with hash -1546925183, now seen corresponding path program 1 times
[2024-11-23 18:42:31,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:31,738 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452633808]
[2024-11-23 18:42:31,738 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:31,738 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:31,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:31,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:31,889 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:31,889 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452633808]
[2024-11-23 18:42:31,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452633808] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:31,889 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:31,889 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:31,889 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002016119]
[2024-11-23 18:42:31,889 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:31,890 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:31,890 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:31,890 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:31,890 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:31,926 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 153
[2024-11-23 18:42:31,926 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 132 transitions, 270 flow. Second operand  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:31,926 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:31,926 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 153
[2024-11-23 18:42:31,926 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:32,033 INFO  L124   PetriNetUnfolderBase]: 37/400 cut-off events.
[2024-11-23 18:42:32,033 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:32,036 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 472 conditions, 400 events. 37/400 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1664 event pairs, 17 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 443. Up to 64 conditions per place. 
[2024-11-23 18:42:32,038 INFO  L140   encePairwiseOnDemand]: 150/153 looper letters, 14 selfloop transitions, 2 changer transitions 0/131 dead transitions.
[2024-11-23 18:42:32,038 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 300 flow
[2024-11-23 18:42:32,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:32,039 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:32,040 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions.
[2024-11-23 18:42:32,041 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8148148148148148
[2024-11-23 18:42:32,043 INFO  L175             Difference]: Start difference. First operand has 133 places, 132 transitions, 270 flow. Second operand 3 states and 374 transitions.
[2024-11-23 18:42:32,043 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 300 flow
[2024-11-23 18:42:32,045 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:42:32,046 INFO  L231             Difference]: Finished difference. Result has 132 places, 131 transitions, 268 flow
[2024-11-23 18:42:32,048 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=132, PETRI_TRANSITIONS=131}
[2024-11-23 18:42:32,050 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -17 predicate places.
[2024-11-23 18:42:32,050 INFO  L471      AbstractCegarLoop]: Abstraction has has 132 places, 131 transitions, 268 flow
[2024-11-23 18:42:32,051 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,051 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:32,051 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]
[2024-11-23 18:42:32,051 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:42:32,052 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:32,052 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:32,053 INFO  L85        PathProgramCache]: Analyzing trace with hash 1630333190, now seen corresponding path program 1 times
[2024-11-23 18:42:32,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:32,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749579915]
[2024-11-23 18:42:32,054 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:32,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:32,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:32,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:32,131 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:32,131 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749579915]
[2024-11-23 18:42:32,131 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749579915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:32,131 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:32,131 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:32,131 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114101259]
[2024-11-23 18:42:32,132 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:32,132 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:32,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:32,133 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:32,133 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:32,160 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 117 out of 153
[2024-11-23 18:42:32,161 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 131 transitions, 268 flow. Second operand  has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,161 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:32,161 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 153
[2024-11-23 18:42:32,161 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:32,248 INFO  L124   PetriNetUnfolderBase]: 52/426 cut-off events.
[2024-11-23 18:42:32,248 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:32,249 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 528 conditions, 426 events. 52/426 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1901 event pairs, 27 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 494. Up to 94 conditions per place. 
[2024-11-23 18:42:32,252 INFO  L140   encePairwiseOnDemand]: 150/153 looper letters, 16 selfloop transitions, 2 changer transitions 0/130 dead transitions.
[2024-11-23 18:42:32,252 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 130 transitions, 302 flow
[2024-11-23 18:42:32,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:32,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:32,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions.
[2024-11-23 18:42:32,254 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8061002178649237
[2024-11-23 18:42:32,255 INFO  L175             Difference]: Start difference. First operand has 132 places, 131 transitions, 268 flow. Second operand 3 states and 370 transitions.
[2024-11-23 18:42:32,255 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 130 transitions, 302 flow
[2024-11-23 18:42:32,257 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 130 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:42:32,259 INFO  L231             Difference]: Finished difference. Result has 131 places, 130 transitions, 266 flow
[2024-11-23 18:42:32,260 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=131, PETRI_TRANSITIONS=130}
[2024-11-23 18:42:32,260 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -18 predicate places.
[2024-11-23 18:42:32,260 INFO  L471      AbstractCegarLoop]: Abstraction has has 131 places, 130 transitions, 266 flow
[2024-11-23 18:42:32,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,261 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:32,261 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]
[2024-11-23 18:42:32,264 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:42:32,265 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:32,265 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:32,265 INFO  L85        PathProgramCache]: Analyzing trace with hash -1645077027, now seen corresponding path program 1 times
[2024-11-23 18:42:32,265 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:32,265 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927599083]
[2024-11-23 18:42:32,266 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:32,266 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:32,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:32,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:32,387 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:32,388 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927599083]
[2024-11-23 18:42:32,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927599083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:32,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:32,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:42:32,391 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131196727]
[2024-11-23 18:42:32,391 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:32,392 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:42:32,392 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:32,392 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:42:32,392 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:42:32,405 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 120 out of 153
[2024-11-23 18:42:32,406 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 130 transitions, 266 flow. Second operand  has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,407 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:32,408 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 153
[2024-11-23 18:42:32,408 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:32,576 INFO  L124   PetriNetUnfolderBase]: 55/439 cut-off events.
[2024-11-23 18:42:32,576 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 18:42:32,577 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 543 conditions, 439 events. 55/439 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2055 event pairs, 13 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 503. Up to 53 conditions per place. 
[2024-11-23 18:42:32,579 INFO  L140   encePairwiseOnDemand]: 147/153 looper letters, 23 selfloop transitions, 7 changer transitions 0/144 dead transitions.
[2024-11-23 18:42:32,579 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 144 transitions, 354 flow
[2024-11-23 18:42:32,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-23 18:42:32,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 18:42:32,581 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 632 transitions.
[2024-11-23 18:42:32,581 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8261437908496732
[2024-11-23 18:42:32,581 INFO  L175             Difference]: Start difference. First operand has 131 places, 130 transitions, 266 flow. Second operand 5 states and 632 transitions.
[2024-11-23 18:42:32,581 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 144 transitions, 354 flow
[2024-11-23 18:42:32,582 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 144 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:42:32,587 INFO  L231             Difference]: Finished difference. Result has 137 places, 135 transitions, 310 flow
[2024-11-23 18:42:32,588 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=310, PETRI_PLACES=137, PETRI_TRANSITIONS=135}
[2024-11-23 18:42:32,589 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -12 predicate places.
[2024-11-23 18:42:32,590 INFO  L471      AbstractCegarLoop]: Abstraction has has 137 places, 135 transitions, 310 flow
[2024-11-23 18:42:32,590 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,591 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:32,591 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:42:32,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 18:42:32,591 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:32,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:32,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 14998367, now seen corresponding path program 1 times
[2024-11-23 18:42:32,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:32,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194957205]
[2024-11-23 18:42:32,596 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:32,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:32,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:32,655 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:32,655 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:32,656 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194957205]
[2024-11-23 18:42:32,656 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194957205] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:32,656 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:32,656 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:32,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64095932]
[2024-11-23 18:42:32,656 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:32,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:32,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:32,657 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:32,658 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:32,673 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153
[2024-11-23 18:42:32,674 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 135 transitions, 310 flow. Second operand  has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,674 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:32,674 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153
[2024-11-23 18:42:32,674 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:32,814 INFO  L124   PetriNetUnfolderBase]: 63/604 cut-off events.
[2024-11-23 18:42:32,814 INFO  L125   PetriNetUnfolderBase]: For 40/43 co-relation queries the response was YES.
[2024-11-23 18:42:32,816 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 773 conditions, 604 events. 63/604 cut-off events. For 40/43 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3256 event pairs, 17 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 724. Up to 76 conditions per place. 
[2024-11-23 18:42:32,818 INFO  L140   encePairwiseOnDemand]: 149/153 looper letters, 22 selfloop transitions, 3 changer transitions 0/143 dead transitions.
[2024-11-23 18:42:32,819 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 143 transitions, 380 flow
[2024-11-23 18:42:32,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:32,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:32,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions.
[2024-11-23 18:42:32,822 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8431372549019608
[2024-11-23 18:42:32,822 INFO  L175             Difference]: Start difference. First operand has 137 places, 135 transitions, 310 flow. Second operand 3 states and 387 transitions.
[2024-11-23 18:42:32,825 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 143 transitions, 380 flow
[2024-11-23 18:42:32,827 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 143 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 18:42:32,828 INFO  L231             Difference]: Finished difference. Result has 141 places, 137 transitions, 332 flow
[2024-11-23 18:42:32,830 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=141, PETRI_TRANSITIONS=137}
[2024-11-23 18:42:32,830 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -8 predicate places.
[2024-11-23 18:42:32,832 INFO  L471      AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 332 flow
[2024-11-23 18:42:32,832 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:32,832 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:32,832 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]
[2024-11-23 18:42:32,832 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 18:42:32,833 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:32,833 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:32,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 1440972180, now seen corresponding path program 1 times
[2024-11-23 18:42:32,833 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:32,833 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520009806]
[2024-11-23 18:42:32,834 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:32,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:32,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:33,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:33,029 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:33,029 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520009806]
[2024-11-23 18:42:33,029 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520009806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:33,029 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:33,029 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 18:42:33,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495713611]
[2024-11-23 18:42:33,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:33,030 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:42:33,030 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:33,031 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:42:33,031 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:42:33,063 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 117 out of 153
[2024-11-23 18:42:33,064 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 332 flow. Second operand  has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:33,064 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:33,064 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 153
[2024-11-23 18:42:33,064 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:33,383 INFO  L124   PetriNetUnfolderBase]: 166/881 cut-off events.
[2024-11-23 18:42:33,383 INFO  L125   PetriNetUnfolderBase]: For 61/64 co-relation queries the response was YES.
[2024-11-23 18:42:33,386 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 881 events. 166/881 cut-off events. For 61/64 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5811 event pairs, 6 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 1239. Up to 167 conditions per place. 
[2024-11-23 18:42:33,390 INFO  L140   encePairwiseOnDemand]: 145/153 looper letters, 25 selfloop transitions, 3 changer transitions 30/174 dead transitions.
[2024-11-23 18:42:33,390 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 174 transitions, 536 flow
[2024-11-23 18:42:33,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-23 18:42:33,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-23 18:42:33,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1228 transitions.
[2024-11-23 18:42:33,396 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8026143790849674
[2024-11-23 18:42:33,396 INFO  L175             Difference]: Start difference. First operand has 141 places, 137 transitions, 332 flow. Second operand 10 states and 1228 transitions.
[2024-11-23 18:42:33,396 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 174 transitions, 536 flow
[2024-11-23 18:42:33,398 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 174 transitions, 530 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 18:42:33,402 INFO  L231             Difference]: Finished difference. Result has 155 places, 138 transitions, 361 flow
[2024-11-23 18:42:33,402 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=361, PETRI_PLACES=155, PETRI_TRANSITIONS=138}
[2024-11-23 18:42:33,404 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, 6 predicate places.
[2024-11-23 18:42:33,404 INFO  L471      AbstractCegarLoop]: Abstraction has has 155 places, 138 transitions, 361 flow
[2024-11-23 18:42:33,405 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:33,405 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:33,406 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]
[2024-11-23 18:42:33,406 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 18:42:33,406 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:33,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:33,408 INFO  L85        PathProgramCache]: Analyzing trace with hash 771969135, now seen corresponding path program 1 times
[2024-11-23 18:42:33,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:33,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979471729]
[2024-11-23 18:42:33,408 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:33,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:33,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:33,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:33,475 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:33,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979471729]
[2024-11-23 18:42:33,475 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979471729] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:33,475 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:33,475 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:42:33,475 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099241073]
[2024-11-23 18:42:33,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:33,476 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:42:33,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:33,476 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:42:33,476 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:42:33,499 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 153
[2024-11-23 18:42:33,500 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 138 transitions, 361 flow. Second operand  has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:33,500 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:33,500 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 153
[2024-11-23 18:42:33,500 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:33,661 INFO  L124   PetriNetUnfolderBase]: 105/797 cut-off events.
[2024-11-23 18:42:33,661 INFO  L125   PetriNetUnfolderBase]: For 312/319 co-relation queries the response was YES.
[2024-11-23 18:42:33,663 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 797 events. 105/797 cut-off events. For 312/319 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4804 event pairs, 33 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 1220. Up to 159 conditions per place. 
[2024-11-23 18:42:33,665 INFO  L140   encePairwiseOnDemand]: 148/153 looper letters, 20 selfloop transitions, 4 changer transitions 7/146 dead transitions.
[2024-11-23 18:42:33,665 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 146 transitions, 449 flow
[2024-11-23 18:42:33,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:42:33,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 18:42:33,667 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions.
[2024-11-23 18:42:33,667 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8344226579520697
[2024-11-23 18:42:33,667 INFO  L175             Difference]: Start difference. First operand has 155 places, 138 transitions, 361 flow. Second operand 3 states and 383 transitions.
[2024-11-23 18:42:33,667 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 146 transitions, 449 flow
[2024-11-23 18:42:33,673 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 146 transitions, 440 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-23 18:42:33,675 INFO  L231             Difference]: Finished difference. Result has 147 places, 136 transitions, 366 flow
[2024-11-23 18:42:33,676 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=147, PETRI_TRANSITIONS=136}
[2024-11-23 18:42:33,679 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, -2 predicate places.
[2024-11-23 18:42:33,680 INFO  L471      AbstractCegarLoop]: Abstraction has has 147 places, 136 transitions, 366 flow
[2024-11-23 18:42:33,680 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:33,680 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:33,680 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]
[2024-11-23 18:42:33,680 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 18:42:33,681 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:33,681 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:33,681 INFO  L85        PathProgramCache]: Analyzing trace with hash 332444654, now seen corresponding path program 1 times
[2024-11-23 18:42:33,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:33,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651992535]
[2024-11-23 18:42:33,682 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:33,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:33,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:33,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:33,809 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:33,809 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651992535]
[2024-11-23 18:42:33,809 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651992535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:33,809 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:33,809 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 18:42:33,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056062189]
[2024-11-23 18:42:33,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:33,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 18:42:33,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:33,810 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 18:42:33,810 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:42:33,839 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 116 out of 153
[2024-11-23 18:42:33,840 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 136 transitions, 366 flow. Second operand  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:33,840 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:33,840 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 153
[2024-11-23 18:42:33,840 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:34,101 INFO  L124   PetriNetUnfolderBase]: 101/979 cut-off events.
[2024-11-23 18:42:34,101 INFO  L125   PetriNetUnfolderBase]: For 341/353 co-relation queries the response was YES.
[2024-11-23 18:42:34,103 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 979 events. 101/979 cut-off events. For 341/353 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6345 event pairs, 62 based on Foata normal form. 4/930 useless extension candidates. Maximal degree in co-relation 1467. Up to 173 conditions per place. 
[2024-11-23 18:42:34,105 INFO  L140   encePairwiseOnDemand]: 147/153 looper letters, 21 selfloop transitions, 0 changer transitions 20/154 dead transitions.
[2024-11-23 18:42:34,106 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 506 flow
[2024-11-23 18:42:34,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 18:42:34,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-23 18:42:34,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 735 transitions.
[2024-11-23 18:42:34,109 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8006535947712419
[2024-11-23 18:42:34,109 INFO  L175             Difference]: Start difference. First operand has 147 places, 136 transitions, 366 flow. Second operand 6 states and 735 transitions.
[2024-11-23 18:42:34,109 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 506 flow
[2024-11-23 18:42:34,113 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 154 transitions, 492 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 18:42:34,118 INFO  L231             Difference]: Finished difference. Result has 153 places, 134 transitions, 360 flow
[2024-11-23 18:42:34,118 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=360, PETRI_PLACES=153, PETRI_TRANSITIONS=134}
[2024-11-23 18:42:34,120 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, 4 predicate places.
[2024-11-23 18:42:34,120 INFO  L471      AbstractCegarLoop]: Abstraction has has 153 places, 134 transitions, 360 flow
[2024-11-23 18:42:34,120 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:34,120 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:34,120 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]
[2024-11-23 18:42:34,121 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 18:42:34,121 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:34,123 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:34,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 1602492005, now seen corresponding path program 1 times
[2024-11-23 18:42:34,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:34,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244696686]
[2024-11-23 18:42:34,123 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:34,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:34,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:42:34,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:34,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:34,413 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244696686]
[2024-11-23 18:42:34,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244696686] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:34,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:34,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-23 18:42:34,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008996239]
[2024-11-23 18:42:34,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:34,414 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 18:42:34,414 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:34,414 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 18:42:34,414 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-11-23 18:42:34,516 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 110 out of 153
[2024-11-23 18:42:34,517 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 134 transitions, 360 flow. Second operand  has 9 states, 9 states have (on average 112.66666666666667) internal successors, (1014), 9 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:34,517 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:34,517 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 153
[2024-11-23 18:42:34,517 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:35,181 INFO  L124   PetriNetUnfolderBase]: 234/2281 cut-off events.
[2024-11-23 18:42:35,182 INFO  L125   PetriNetUnfolderBase]: For 356/365 co-relation queries the response was YES.
[2024-11-23 18:42:35,186 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3329 conditions, 2281 events. 234/2281 cut-off events. For 356/365 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 20519 event pairs, 73 based on Foata normal form. 5/2196 useless extension candidates. Maximal degree in co-relation 3312. Up to 272 conditions per place. 
[2024-11-23 18:42:35,189 INFO  L140   encePairwiseOnDemand]: 140/153 looper letters, 61 selfloop transitions, 7 changer transitions 54/227 dead transitions.
[2024-11-23 18:42:35,190 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 227 transitions, 853 flow
[2024-11-23 18:42:35,191 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-23 18:42:35,191 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2024-11-23 18:42:35,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2430 transitions.
[2024-11-23 18:42:35,197 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.7563025210084033
[2024-11-23 18:42:35,197 INFO  L175             Difference]: Start difference. First operand has 153 places, 134 transitions, 360 flow. Second operand 21 states and 2430 transitions.
[2024-11-23 18:42:35,197 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 227 transitions, 853 flow
[2024-11-23 18:42:35,203 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 227 transitions, 843 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-23 18:42:35,205 INFO  L231             Difference]: Finished difference. Result has 183 places, 138 transitions, 431 flow
[2024-11-23 18:42:35,206 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=431, PETRI_PLACES=183, PETRI_TRANSITIONS=138}
[2024-11-23 18:42:35,206 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, 34 predicate places.
[2024-11-23 18:42:35,206 INFO  L471      AbstractCegarLoop]: Abstraction has has 183 places, 138 transitions, 431 flow
[2024-11-23 18:42:35,207 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 112.66666666666667) internal successors, (1014), 9 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:35,207 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:35,207 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]
[2024-11-23 18:42:35,207 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 18:42:35,208 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:35,208 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:35,208 INFO  L85        PathProgramCache]: Analyzing trace with hash -213544983, now seen corresponding path program 2 times
[2024-11-23 18:42:35,209 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:35,209 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267991873]
[2024-11-23 18:42:35,209 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:42:35,209 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:35,222 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:42:35,222 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:42:35,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:42:35,293 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:42:35,293 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267991873]
[2024-11-23 18:42:35,293 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267991873] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:42:35,294 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:42:35,294 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:42:35,294 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767502025]
[2024-11-23 18:42:35,294 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:42:35,294 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:42:35,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:42:35,295 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:42:35,295 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:42:35,312 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153
[2024-11-23 18:42:35,313 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 138 transitions, 431 flow. Second operand  has 4 states, 4 states have (on average 124.25) internal successors, (497), 4 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:35,313 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 18:42:35,313 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153
[2024-11-23 18:42:35,313 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 18:42:35,465 INFO  L124   PetriNetUnfolderBase]: 57/781 cut-off events.
[2024-11-23 18:42:35,465 INFO  L125   PetriNetUnfolderBase]: For 781/804 co-relation queries the response was YES.
[2024-11-23 18:42:35,468 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1393 conditions, 781 events. 57/781 cut-off events. For 781/804 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4546 event pairs, 28 based on Foata normal form. 10/748 useless extension candidates. Maximal degree in co-relation 1361. Up to 91 conditions per place. 
[2024-11-23 18:42:35,470 INFO  L140   encePairwiseOnDemand]: 150/153 looper letters, 20 selfloop transitions, 1 changer transitions 7/143 dead transitions.
[2024-11-23 18:42:35,470 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 143 transitions, 503 flow
[2024-11-23 18:42:35,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-23 18:42:35,471 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 18:42:35,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 507 transitions.
[2024-11-23 18:42:35,472 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8284313725490197
[2024-11-23 18:42:35,473 INFO  L175             Difference]: Start difference. First operand has 183 places, 138 transitions, 431 flow. Second operand 4 states and 507 transitions.
[2024-11-23 18:42:35,473 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 143 transitions, 503 flow
[2024-11-23 18:42:35,479 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 143 transitions, 478 flow, removed 8 selfloop flow, removed 10 redundant places.
[2024-11-23 18:42:35,509 INFO  L231             Difference]: Finished difference. Result has 162 places, 134 transitions, 388 flow
[2024-11-23 18:42:35,511 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=388, PETRI_PLACES=162, PETRI_TRANSITIONS=134}
[2024-11-23 18:42:35,511 INFO  L279   CegarLoopForPetriNet]: 149 programPoint places, 13 predicate places.
[2024-11-23 18:42:35,511 INFO  L471      AbstractCegarLoop]: Abstraction has has 162 places, 134 transitions, 388 flow
[2024-11-23 18:42:35,512 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 124.25) internal successors, (497), 4 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:42:35,512 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-23 18:42:35,512 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]
[2024-11-23 18:42:35,512 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 18:42:35,512 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 18:42:35,513 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:42:35,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 2144852204, now seen corresponding path program 1 times
[2024-11-23 18:42:35,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:42:35,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234574749]
[2024-11-23 18:42:35,517 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:42:35,517 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:42:35,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:42:35,540 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 18:42:35,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 18:42:35,590 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 18:42:35,590 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-23 18:42:35,591 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining)
[2024-11-23 18:42:35,594 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining)
[2024-11-23 18:42:35,595 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining)
[2024-11-23 18:42:35,596 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining)
[2024-11-23 18:42:35,598 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining)
[2024-11-23 18:42:35,598 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining)
[2024-11-23 18:42:35,599 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining)
[2024-11-23 18:42:35,600 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining)
[2024-11-23 18:42:35,600 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 18:42:35,601 INFO  L422         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:42:35,685 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 18:42:35,685 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:42:35,695 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:42:35 BasicIcfg
[2024-11-23 18:42:35,695 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:42:35,696 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:42:35,696 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:42:35,697 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 18:42:35,697 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:30" (3/4) ...
[2024-11-23 18:42:35,698 INFO  L140         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 18:42:35,790 INFO  L129   tionWitnessGenerator]: Generated YAML witness of length 14.
[2024-11-23 18:42:35,842 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:42:35,842 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:42:35,842 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:42:35,843 INFO  L158              Benchmark]: Toolchain (without parser) took 6609.58ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.3MB in the beginning and 78.5MB in the end (delta: 12.9MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB.
[2024-11-23 18:42:35,844 INFO  L158              Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:42:35,844 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 596.88ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.2MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 18:42:35,844 INFO  L158              Benchmark]: Boogie Procedure Inliner took 53.03ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:42:35,844 INFO  L158              Benchmark]: Boogie Preprocessor took 27.92ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:42:35,845 INFO  L158              Benchmark]: RCFGBuilder took 639.01ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 46.0MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 18:42:35,845 INFO  L158              Benchmark]: TraceAbstraction took 5136.35ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 90.8MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:42:35,845 INFO  L158              Benchmark]: Witness Printer took 146.74ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 78.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 18:42:35,847 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 596.88ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.2MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 53.03ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 27.92ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 639.01ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 46.0MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5136.35ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 90.8MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 146.74ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 78.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - DataRaceFoundResult [Line: 751]: Data race detected
    Data race detected
The following path leads to a data race: 
[L697]               0  volatile int stoppingFlag;
        VAL             [stoppingFlag=0]
[L698]               0  volatile int pendingIo;
        VAL             [pendingIo=0, stoppingFlag=0]
[L699]               0  volatile int stoppingEvent;
        VAL             [pendingIo=0, stoppingEvent=0, stoppingFlag=0]
[L700]               0  volatile int stopped;
        VAL             [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L755]               0  pthread_t t;
        VAL             [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L756]               0  pendingIo = 1
        VAL             [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L757]               0  stoppingFlag = 0
        VAL             [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L758]               0  stoppingEvent = 0
        VAL             [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L759]               0  stopped = 0
        VAL             [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L760]  FCALL, FORK  0  pthread_create(&t, 0, BCSP_PnpStop, 0)
        VAL             [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1]
[L761]  CALL         0  BCSP_PnpAdd(0)
[L734]               0  int status;
[L735]  CALL, EXPR   0  BCSP_IoIncrement()
[L703]               0  int lsf = stoppingFlag;
        VAL             [lsf=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L705]  COND FALSE   0  !(\read(lsf))
        VAL             [lsf=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L744]               1  stoppingFlag = 1
        VAL             [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1]
[L746]  CALL         1  BCSP_IoDecrement()
[L725]               1  int pending;
[L726]  CALL, EXPR   1  dec()
[L719]               1  pendingIo--
[L720]               1  int tmp = pendingIo;
        VAL             [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1, tmp=0]
[L722]               1  return tmp;
        VAL             [\result=0, pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1, tmp=0]
[L726]  RET, EXPR    1  dec()
[L726]               1  pending = dec()
        VAL             [pending=0, pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1]
[L727]  COND TRUE    1  pending == 0
        VAL             [pending=0, pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1]
[L729]               1  stoppingEvent = 1
        VAL             [pending=0, pendingIo=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L746]  RET          1  BCSP_IoDecrement()
[L748]               1  int lse = stoppingEvent;
        VAL             [\old(arg)={0:0}, arg={0:0}, lse=1, pendingIo=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L709]               0  int lp = pendingIo;
        VAL             [lp=0, lsf=0, pendingIo=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L712]               0  pendingIo = lp + 1
        VAL             [lp=0, lsf=0, pendingIo=1, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L715]               0  return 0;
        VAL             [\result=0, lsf=0, pendingIo=1, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L735]  RET, EXPR    0  BCSP_IoIncrement()
[L735]               0  status = BCSP_IoIncrement()
        VAL             [\old(arg)={0:0}, arg={0:0}, pendingIo=1, status=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L736]  COND TRUE    0  status == 0
        VAL             [\old(arg)={0:0}, arg={0:0}, pendingIo=1, status=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L750]  CALL         1  assume_abort_if_not(lse)
[L686]  COND FALSE   1  !(!cond)
        VAL             [\old(cond)=1, cond=1, pendingIo=1, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L750]  RET          1  assume_abort_if_not(lse)
[L751]               1  stopped = 1
        VAL             [\old(arg)={0:0}, arg={0:0}, lse=1, pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1]
[L737]               0  !stopped
        VAL             [\old(arg)={0:0}, arg={0:0}, pendingIo=1, status=0, stopped=1, stoppingEvent=1, stoppingFlag=1]
[L751]               1  stopped = 1
        VAL             [\old(arg)={0:0}, arg={0:0}, lse=1, pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1]

Now there is a data race on ~stopped~0 between 
	C: !stopped [737]
and
	C: stopped = 1 [751]

  - UnprovableResult [Line: 744]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 719]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 719]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 720]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 729]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 748]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 756]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 757]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 758]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 759]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 703]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 709]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 712]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 737]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 719]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 719]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 720]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 729]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 760]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 187 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 327 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 490 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 831 IncrementalHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 60 mSDtfsCounter, 831 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=431occurred in iteration=10, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 18:42:35,868 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57238497-aa34-4357-8833-19388a123694/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)