./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX --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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:19:28,099 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:19:28,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-08 16:19:28,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:19:28,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:19:28,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:19:28,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:19:28,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:19:28,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:19:28,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:19:28,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:19:28,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:19:28,238 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:19:28,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:19:28,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:19:28,239 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:19:28,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:19:28,240 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:19:28,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:19:28,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:19:28,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:19:28,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:19:28,243 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-08 16:19:28,244 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:19:28,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:19:28,246 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:19:28,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:19:28,246 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:19:28,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:19:28,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:19:28,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:19:28,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:19:28,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:19:28,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:19:28,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:19:28,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:19:28,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:19:28,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:19:28,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:19:28,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:19:28,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:19:28,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688
[2024-11-08 16:19:28,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:19:28,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:19:28,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:19:28,619 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:19:28,620 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:19:28,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/stack_longer-2.i
Unable to find full path for "g++"
[2024-11-08 16:19:30,633 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:19:30,901 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:19:30,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/sv-benchmarks/c/pthread/stack_longer-2.i
[2024-11-08 16:19:30,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/data/a885a599f/2ab6b47e9be1407980896c5414702207/FLAGf05dcc4dd
[2024-11-08 16:19:31,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/data/a885a599f/2ab6b47e9be1407980896c5414702207
[2024-11-08 16:19:31,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:19:31,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:19:31,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:19:31,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:19:31,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:19:31,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:19:31" (1/1) ...
[2024-11-08 16:19:31,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69946cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:31, skipping insertion in model container
[2024-11-08 16:19:31,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:19:31" (1/1) ...
[2024-11-08 16:19:31,292 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:19:31,836 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:19:31,873 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:19:31,924 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:19:32,075 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:19:32,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32 WrapperNode
[2024-11-08 16:19:32,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:19:32,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:19:32,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:19:32,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:19:32,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,239 INFO L138 Inliner]: procedures = 277, calls = 431, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 581
[2024-11-08 16:19:32,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:19:32,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:19:32,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:19:32,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:19:32,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:19:32,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:19:32,298 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:19:32,298 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:19:32,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (1/1) ...
[2024-11-08 16:19:32,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:19:32,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:19:32,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:19:32,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:19:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2024-11-08 16:19:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2024-11-08 16:19:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2024-11-08 16:19:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2024-11-08 16:19:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-08 16:19:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-08 16:19:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-08 16:19:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-08 16:19:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:19:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-08 16:19:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:19:32,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:19:32,401 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 16:19:32,550 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:19:32,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:19:33,594 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 16:19:33,594 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:19:33,650 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:19:33,654 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:19:33,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:33 BoogieIcfgContainer
[2024-11-08 16:19:33,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:19:33,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:19:33,660 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:19:33,664 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:19:33,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:19:31" (1/3) ...
[2024-11-08 16:19:33,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790f5534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:19:33, skipping insertion in model container
[2024-11-08 16:19:33,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:19:32" (2/3) ...
[2024-11-08 16:19:33,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790f5534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:19:33, skipping insertion in model container
[2024-11-08 16:19:33,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:33" (3/3) ...
[2024-11-08 16:19:33,670 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i
[2024-11-08 16:19:33,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:19:33,695 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations.
[2024-11-08 16:19:33,695 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 16:19:33,882 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-08 16:19:33,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 602 places, 607 transitions, 1228 flow
[2024-11-08 16:19:34,300 INFO L124 PetriNetUnfolderBase]: 12/605 cut-off events.
[2024-11-08 16:19:34,300 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-08 16:19:34,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 605 events. 12/605 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 490 event pairs, 0 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 520. Up to 3 conditions per place.
[2024-11-08 16:19:34,314 INFO L82 GeneralOperation]: Start removeDead. Operand has 602 places, 607 transitions, 1228 flow
[2024-11-08 16:19:34,326 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 600 transitions, 1209 flow
[2024-11-08 16:19:34,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:19:34,354 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;@16ebdf2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:19:34,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-11-08 16:19:34,472 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 16:19:34,473 INFO L124 PetriNetUnfolderBase]: 2/464 cut-off events.
[2024-11-08 16:19:34,473 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-08 16:19:34,473 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:34,475 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:34,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:34,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1838320277, now seen corresponding path program 1 times
[2024-11-08 16:19:34,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:34,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35675231]
[2024-11-08 16:19:34,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:35,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:35,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35675231]
[2024-11-08 16:19:35,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35675231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:35,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:35,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:19:35,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61528997]
[2024-11-08 16:19:35,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:35,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:35,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:35,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607
[2024-11-08 16:19:35,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 600 transitions, 1209 flow. Second operand has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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)
[2024-11-08 16:19:35,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:35,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607
[2024-11-08 16:19:35,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:36,613 INFO L124 PetriNetUnfolderBase]: 307/2789 cut-off events.
[2024-11-08 16:19:36,613 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES.
[2024-11-08 16:19:36,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2789 events. 307/2789 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16893 event pairs, 76 based on Foata normal form. 149/2668 useless extension candidates. Maximal degree in co-relation 2728. Up to 405 conditions per place.
[2024-11-08 16:19:36,637 INFO L140 encePairwiseOnDemand]: 579/607 looper letters, 36 selfloop transitions, 16 changer transitions 0/611 dead transitions.
[2024-11-08 16:19:36,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 611 transitions, 1341 flow
[2024-11-08 16:19:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1776 transitions.
[2024-11-08 16:19:36,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9752883031301482
[2024-11-08 16:19:36,666 INFO L175 Difference]: Start difference. First operand has 595 places, 600 transitions, 1209 flow. Second operand 3 states and 1776 transitions.
[2024-11-08 16:19:36,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 611 transitions, 1341 flow
[2024-11-08 16:19:36,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 611 transitions, 1333 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 16:19:36,689 INFO L231 Difference]: Finished difference. Result has 590 places, 605 transitions, 1324 flow
[2024-11-08 16:19:36,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1324, PETRI_PLACES=590, PETRI_TRANSITIONS=605}
[2024-11-08 16:19:36,700 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -5 predicate places.
[2024-11-08 16:19:36,701 INFO L471 AbstractCegarLoop]: Abstraction has has 590 places, 605 transitions, 1324 flow
[2024-11-08 16:19:36,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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)
[2024-11-08 16:19:36,703 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:36,704 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:36,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:19:36,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:36,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:36,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1089576829, now seen corresponding path program 1 times
[2024-11-08 16:19:36,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:36,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026407482]
[2024-11-08 16:19:36,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:37,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026407482]
[2024-11-08 16:19:37,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026407482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:37,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:19:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210531902]
[2024-11-08 16:19:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:37,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:37,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:37,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:37,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 607
[2024-11-08 16:19:37,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 605 transitions, 1324 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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)
[2024-11-08 16:19:37,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:37,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 607
[2024-11-08 16:19:37,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:38,504 INFO L124 PetriNetUnfolderBase]: 327/3413 cut-off events.
[2024-11-08 16:19:38,505 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES.
[2024-11-08 16:19:38,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4258 conditions, 3413 events. 327/3413 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22536 event pairs, 90 based on Foata normal form. 21/3135 useless extension candidates. Maximal degree in co-relation 3586. Up to 340 conditions per place.
[2024-11-08 16:19:38,526 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 18 selfloop transitions, 3 changer transitions 0/612 dead transitions.
[2024-11-08 16:19:38,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 612 transitions, 1383 flow
[2024-11-08 16:19:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1778 transitions.
[2024-11-08 16:19:38,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9763866007688083
[2024-11-08 16:19:38,531 INFO L175 Difference]: Start difference. First operand has 590 places, 605 transitions, 1324 flow. Second operand 3 states and 1778 transitions.
[2024-11-08 16:19:38,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 612 transitions, 1383 flow
[2024-11-08 16:19:38,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 612 transitions, 1351 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:19:38,546 INFO L231 Difference]: Finished difference. Result has 591 places, 606 transitions, 1309 flow
[2024-11-08 16:19:38,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1292, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1309, PETRI_PLACES=591, PETRI_TRANSITIONS=606}
[2024-11-08 16:19:38,549 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -4 predicate places.
[2024-11-08 16:19:38,549 INFO L471 AbstractCegarLoop]: Abstraction has has 591 places, 606 transitions, 1309 flow
[2024-11-08 16:19:38,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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)
[2024-11-08 16:19:38,551 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:38,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:38,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:19:38,553 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:38,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:38,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1671145980, now seen corresponding path program 1 times
[2024-11-08 16:19:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:38,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774127455]
[2024-11-08 16:19:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:41,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:41,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774127455]
[2024-11-08 16:19:41,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774127455] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:41,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:41,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:19:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732689109]
[2024-11-08 16:19:41,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:41,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:19:41,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:41,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:19:41,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:19:41,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 607
[2024-11-08 16:19:41,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 606 transitions, 1309 flow. Second operand has 6 states, 6 states have (on average 576.8333333333334) internal successors, (3461), 6 states have internal predecessors, (3461), 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)
[2024-11-08 16:19:41,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:41,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 607
[2024-11-08 16:19:41,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:43,065 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1388] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_22| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_22|) |v_~#m~0.offset_22| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_22|, ~#m~0.offset=|v_~#m~0.offset_22|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_22|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_22|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][470], [Black: 605#true, 614#true, 610#true, 15#L1022-4true, Black: 612#(= ~top~0 0), 601#true, 180#L1013-2true, 356#L959-1true])
[2024-11-08 16:19:43,066 INFO L294 olderBase$Statistics]: this new event has 633 ancestors and is cut-off event
[2024-11-08 16:19:43,066 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event
[2024-11-08 16:19:43,067 INFO L297 olderBase$Statistics]: existing Event has 523 ancestors and is cut-off event
[2024-11-08 16:19:43,067 INFO L297 olderBase$Statistics]: existing Event has 562 ancestors and is cut-off event
[2024-11-08 16:19:43,067 INFO L124 PetriNetUnfolderBase]: 616/4655 cut-off events.
[2024-11-08 16:19:43,068 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES.
[2024-11-08 16:19:43,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6233 conditions, 4655 events. 616/4655 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 34024 event pairs, 210 based on Foata normal form. 0/4251 useless extension candidates. Maximal degree in co-relation 5353. Up to 768 conditions per place.
[2024-11-08 16:19:43,100 INFO L140 encePairwiseOnDemand]: 596/607 looper letters, 35 selfloop transitions, 22 changer transitions 0/639 dead transitions.
[2024-11-08 16:19:43,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 639 transitions, 1497 flow
[2024-11-08 16:19:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:19:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:19:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3508 transitions.
[2024-11-08 16:19:43,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9632070291048874
[2024-11-08 16:19:43,109 INFO L175 Difference]: Start difference. First operand has 591 places, 606 transitions, 1309 flow. Second operand 6 states and 3508 transitions.
[2024-11-08 16:19:43,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 639 transitions, 1497 flow
[2024-11-08 16:19:43,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 639 transitions, 1494 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:19:43,128 INFO L231 Difference]: Finished difference. Result has 600 places, 627 transitions, 1456 flow
[2024-11-08 16:19:43,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1456, PETRI_PLACES=600, PETRI_TRANSITIONS=627}
[2024-11-08 16:19:43,133 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, 5 predicate places.
[2024-11-08 16:19:43,133 INFO L471 AbstractCegarLoop]: Abstraction has has 600 places, 627 transitions, 1456 flow
[2024-11-08 16:19:43,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 576.8333333333334) internal successors, (3461), 6 states have internal predecessors, (3461), 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)
[2024-11-08 16:19:43,136 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:43,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:43,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:19:43,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:43,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -114720510, now seen corresponding path program 1 times
[2024-11-08 16:19:43,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:43,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810188838]
[2024-11-08 16:19:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:43,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:43,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:43,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810188838]
[2024-11-08 16:19:43,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810188838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:43,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:43,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:19:43,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725216134]
[2024-11-08 16:19:43,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:43,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:43,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:43,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:43,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 607
[2024-11-08 16:19:43,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 627 transitions, 1456 flow. Second operand has 3 states, 3 states have (on average 580.0) internal successors, (1740), 3 states have internal predecessors, (1740), 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)
[2024-11-08 16:19:43,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:43,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 607
[2024-11-08 16:19:43,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:45,028 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1388] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_22| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_22|) |v_~#m~0.offset_22| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_22|, ~#m~0.offset=|v_~#m~0.offset_22|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_22|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_22|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][470], [Black: 618#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 605#true, 614#true, 15#L1022-4true, Black: 612#(= ~top~0 0), 625#true, 601#true, 180#L1013-2true, Black: 617#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), 219#L998-2true, Black: 616#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), Black: 619#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))])
[2024-11-08 16:19:45,028 INFO L294 olderBase$Statistics]: this new event has 612 ancestors and is cut-off event
[2024-11-08 16:19:45,028 INFO L297 olderBase$Statistics]: existing Event has 537 ancestors and is cut-off event
[2024-11-08 16:19:45,029 INFO L297 olderBase$Statistics]: existing Event has 502 ancestors and is cut-off event
[2024-11-08 16:19:45,029 INFO L297 olderBase$Statistics]: existing Event has 502 ancestors and is cut-off event
[2024-11-08 16:19:45,086 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1388] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_22| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_22|) |v_~#m~0.offset_22| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_22|, ~#m~0.offset=|v_~#m~0.offset_22|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_22|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_22|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][470], [Black: 618#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 605#true, 614#true, 15#L1022-4true, Black: 612#(= ~top~0 0), 625#true, 601#true, 180#L1013-2true, Black: 617#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), 499#L993-3true, Black: 616#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), Black: 619#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))])
[2024-11-08 16:19:45,087 INFO L294 olderBase$Statistics]: this new event has 619 ancestors and is cut-off event
[2024-11-08 16:19:45,087 INFO L297 olderBase$Statistics]: existing Event has 509 ancestors and is cut-off event
[2024-11-08 16:19:45,087 INFO L297 olderBase$Statistics]: existing Event has 544 ancestors and is cut-off event
[2024-11-08 16:19:45,087 INFO L297 olderBase$Statistics]: existing Event has 509 ancestors and is cut-off event
[2024-11-08 16:19:45,111 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1388] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_22| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_22|) |v_~#m~0.offset_22| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_22|, ~#m~0.offset=|v_~#m~0.offset_22|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_22|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_22|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][470], [Black: 618#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 605#true, 614#true, Black: 612#(= ~top~0 0), 625#true, 601#true, 180#L1013-2true, 151#L1023-1true, Black: 617#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 616#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), Black: 619#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))])
[2024-11-08 16:19:45,111 INFO L294 olderBase$Statistics]: this new event has 622 ancestors and is cut-off event
[2024-11-08 16:19:45,112 INFO L297 olderBase$Statistics]: existing Event has 512 ancestors and is cut-off event
[2024-11-08 16:19:45,112 INFO L297 olderBase$Statistics]: existing Event has 512 ancestors and is cut-off event
[2024-11-08 16:19:45,112 INFO L297 olderBase$Statistics]: existing Event has 547 ancestors and is cut-off event
[2024-11-08 16:19:45,141 INFO L124 PetriNetUnfolderBase]: 579/4629 cut-off events.
[2024-11-08 16:19:45,142 INFO L125 PetriNetUnfolderBase]: For 387/451 co-relation queries the response was YES.
[2024-11-08 16:19:45,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6521 conditions, 4629 events. 579/4629 cut-off events. For 387/451 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 33062 event pairs, 172 based on Foata normal form. 15/4250 useless extension candidates. Maximal degree in co-relation 3507. Up to 768 conditions per place.
[2024-11-08 16:19:45,188 INFO L140 encePairwiseOnDemand]: 598/607 looper letters, 32 selfloop transitions, 13 changer transitions 0/641 dead transitions.
[2024-11-08 16:19:45,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 641 transitions, 1594 flow
[2024-11-08 16:19:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1764 transitions.
[2024-11-08 16:19:45,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686985172981878
[2024-11-08 16:19:45,194 INFO L175 Difference]: Start difference. First operand has 600 places, 627 transitions, 1456 flow. Second operand 3 states and 1764 transitions.
[2024-11-08 16:19:45,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 641 transitions, 1594 flow
[2024-11-08 16:19:45,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 641 transitions, 1594 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 16:19:45,215 INFO L231 Difference]: Finished difference. Result has 604 places, 638 transitions, 1572 flow
[2024-11-08 16:19:45,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1456, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1572, PETRI_PLACES=604, PETRI_TRANSITIONS=638}
[2024-11-08 16:19:45,218 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, 9 predicate places.
[2024-11-08 16:19:45,218 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 638 transitions, 1572 flow
[2024-11-08 16:19:45,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.0) internal successors, (1740), 3 states have internal predecessors, (1740), 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)
[2024-11-08 16:19:45,220 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:45,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:45,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:19:45,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:45,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1227685807, now seen corresponding path program 1 times
[2024-11-08 16:19:45,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:45,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606203104]
[2024-11-08 16:19:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:46,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:46,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606203104]
[2024-11-08 16:19:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606203104] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:19:46,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531113837]
[2024-11-08 16:19:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:46,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:46,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:46,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:46,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:46,055 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 590 out of 607
[2024-11-08 16:19:46,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 638 transitions, 1572 flow. Second operand has 3 states, 3 states have (on average 592.0) internal successors, (1776), 3 states have internal predecessors, (1776), 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)
[2024-11-08 16:19:46,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:46,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 590 of 607
[2024-11-08 16:19:46,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:46,321 INFO L124 PetriNetUnfolderBase]: 42/1114 cut-off events.
[2024-11-08 16:19:46,321 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES.
[2024-11-08 16:19:46,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 1114 events. 42/1114 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3078 event pairs, 5 based on Foata normal form. 10/1078 useless extension candidates. Maximal degree in co-relation 697. Up to 65 conditions per place.
[2024-11-08 16:19:46,329 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 7 selfloop transitions, 4 changer transitions 0/585 dead transitions.
[2024-11-08 16:19:46,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 585 transitions, 1299 flow
[2024-11-08 16:19:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1783 transitions.
[2024-11-08 16:19:46,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9791323448654585
[2024-11-08 16:19:46,334 INFO L175 Difference]: Start difference. First operand has 604 places, 638 transitions, 1572 flow. Second operand 3 states and 1783 transitions.
[2024-11-08 16:19:46,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 585 transitions, 1299 flow
[2024-11-08 16:19:46,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 585 transitions, 1225 flow, removed 23 selfloop flow, removed 14 redundant places.
[2024-11-08 16:19:46,346 INFO L231 Difference]: Finished difference. Result has 583 places, 583 transitions, 1204 flow
[2024-11-08 16:19:46,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1196, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1204, PETRI_PLACES=583, PETRI_TRANSITIONS=583}
[2024-11-08 16:19:46,348 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -12 predicate places.
[2024-11-08 16:19:46,349 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 583 transitions, 1204 flow
[2024-11-08 16:19:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 592.0) internal successors, (1776), 3 states have internal predecessors, (1776), 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)
[2024-11-08 16:19:46,351 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:46,351 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:46,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:19:46,352 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:46,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:46,352 INFO L85 PathProgramCache]: Analyzing trace with hash -238674105, now seen corresponding path program 1 times
[2024-11-08 16:19:46,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:46,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230240974]
[2024-11-08 16:19:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:46,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:46,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:46,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230240974]
[2024-11-08 16:19:46,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230240974] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:46,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:46,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:19:46,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433903812]
[2024-11-08 16:19:46,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:46,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:19:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:19:46,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:19:46,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 607
[2024-11-08 16:19:46,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 583 transitions, 1204 flow. Second operand has 3 states, 3 states have (on average 582.3333333333334) internal successors, (1747), 3 states have internal predecessors, (1747), 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)
[2024-11-08 16:19:46,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:46,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 607
[2024-11-08 16:19:46,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:46,895 INFO L124 PetriNetUnfolderBase]: 70/1120 cut-off events.
[2024-11-08 16:19:46,895 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES.
[2024-11-08 16:19:46,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1343 conditions, 1120 events. 70/1120 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3329 event pairs, 28 based on Foata normal form. 0/1054 useless extension candidates. Maximal degree in co-relation 665. Up to 117 conditions per place.
[2024-11-08 16:19:46,907 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 22 selfloop transitions, 2 changer transitions 0/583 dead transitions.
[2024-11-08 16:19:46,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 583 transitions, 1253 flow
[2024-11-08 16:19:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:19:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 16:19:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1754 transitions.
[2024-11-08 16:19:46,912 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9632070291048874
[2024-11-08 16:19:46,913 INFO L175 Difference]: Start difference. First operand has 583 places, 583 transitions, 1204 flow. Second operand 3 states and 1754 transitions.
[2024-11-08 16:19:46,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 583 transitions, 1253 flow
[2024-11-08 16:19:46,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 583 transitions, 1249 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 16:19:46,928 INFO L231 Difference]: Finished difference. Result has 583 places, 582 transitions, 1202 flow
[2024-11-08 16:19:46,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1202, PETRI_PLACES=583, PETRI_TRANSITIONS=582}
[2024-11-08 16:19:46,930 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -12 predicate places.
[2024-11-08 16:19:46,930 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 582 transitions, 1202 flow
[2024-11-08 16:19:46,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 582.3333333333334) internal successors, (1747), 3 states have internal predecessors, (1747), 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)
[2024-11-08 16:19:46,933 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 16:19:46,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:46,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 16:19:46,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] ===
[2024-11-08 16:19:46,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:19:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1014410842, now seen corresponding path program 1 times
[2024-11-08 16:19:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:19:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502497546]
[2024-11-08 16:19:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:19:46,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:19:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:19:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:19:49,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:19:49,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502497546]
[2024-11-08 16:19:49,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502497546] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:19:49,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:19:49,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:19:49,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242230613]
[2024-11-08 16:19:49,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:19:49,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:19:49,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:19:49,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:19:49,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:19:49,099 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 607
[2024-11-08 16:19:49,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 582 transitions, 1202 flow. Second operand has 6 states, 6 states have (on average 579.8333333333334) internal successors, (3479), 6 states have internal predecessors, (3479), 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)
[2024-11-08 16:19:49,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 16:19:49,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 607
[2024-11-08 16:19:49,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 16:19:49,359 INFO L124 PetriNetUnfolderBase]: 64/1125 cut-off events.
[2024-11-08 16:19:49,359 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES.
[2024-11-08 16:19:49,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 1125 events. 64/1125 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3347 event pairs, 26 based on Foata normal form. 0/1078 useless extension candidates. Maximal degree in co-relation 1225. Up to 105 conditions per place.
[2024-11-08 16:19:49,365 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 0 selfloop transitions, 0 changer transitions 585/585 dead transitions.
[2024-11-08 16:19:49,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 585 transitions, 1262 flow
[2024-11-08 16:19:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:19:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 16:19:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3488 transitions.
[2024-11-08 16:19:49,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9577155409115871
[2024-11-08 16:19:49,372 INFO L175 Difference]: Start difference. First operand has 583 places, 582 transitions, 1202 flow. Second operand 6 states and 3488 transitions.
[2024-11-08 16:19:49,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 585 transitions, 1262 flow
[2024-11-08 16:19:49,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 585 transitions, 1258 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 16:19:49,380 INFO L231 Difference]: Finished difference. Result has 585 places, 0 transitions, 0 flow
[2024-11-08 16:19:49,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1196, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=585, PETRI_TRANSITIONS=0}
[2024-11-08 16:19:49,382 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -10 predicate places.
[2024-11-08 16:19:49,382 INFO L471 AbstractCegarLoop]: Abstraction has has 585 places, 0 transitions, 0 flow
[2024-11-08 16:19:49,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.8333333333334) internal successors, (3479), 6 states have internal predecessors, (3479), 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)
[2024-11-08 16:19:49,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining)
[2024-11-08 16:19:49,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 24 remaining)
[2024-11-08 16:19:49,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining)
[2024-11-08 16:19:49,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining)
[2024-11-08 16:19:49,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining)
[2024-11-08 16:19:49,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining)
[2024-11-08 16:19:49,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining)
[2024-11-08 16:19:49,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining)
[2024-11-08 16:19:49,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining)
[2024-11-08 16:19:49,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining)
[2024-11-08 16:19:49,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining)
[2024-11-08 16:19:49,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining)
[2024-11-08 16:19:49,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining)
[2024-11-08 16:19:49,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining)
[2024-11-08 16:19:49,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining)
[2024-11-08 16:19:49,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining)
[2024-11-08 16:19:49,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining)
[2024-11-08 16:19:49,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining)
[2024-11-08 16:19:49,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining)
[2024-11-08 16:19:49,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining)
[2024-11-08 16:19:49,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining)
[2024-11-08 16:19:49,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining)
[2024-11-08 16:19:49,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining)
[2024-11-08 16:19:49,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining)
[2024-11-08 16:19:49,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 16:19:49,394 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:19:49,400 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 16:19:49,400 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:19:49,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:19:49 BasicIcfg
[2024-11-08 16:19:49,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:19:49,412 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:19:49,412 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:19:49,412 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:19:49,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:19:33" (3/4) ...
[2024-11-08 16:19:49,419 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:19:49,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1
[2024-11-08 16:19:49,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2
[2024-11-08 16:19:49,436 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 16:19:49,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 16:19:49,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:19:49,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 16:19:49,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:19:49,604 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:19:49,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:19:49,605 INFO L158 Benchmark]: Toolchain (without parser) took 18390.33ms. Allocated memory was 121.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 84.7MB in the beginning and 808.8MB in the end (delta: -724.1MB). Peak memory consumption was 289.6MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,605 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:19:49,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.43ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 89.7MB in the end (delta: -5.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.52ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 85.4MB in the end (delta: 4.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,606 INFO L158 Benchmark]: Boogie Preprocessor took 52.55ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 80.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,607 INFO L158 Benchmark]: RCFGBuilder took 1357.68ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 80.6MB in the beginning and 114.7MB in the end (delta: -34.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,607 INFO L158 Benchmark]: TraceAbstraction took 15753.54ms. Allocated memory was 165.7MB in the beginning and 1.1GB in the end (delta: 966.8MB). Free memory was 114.7MB in the beginning and 818.2MB in the end (delta: -703.5MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,608 INFO L158 Benchmark]: Witness Printer took 192.34ms. Allocated memory is still 1.1GB. Free memory was 818.2MB in the beginning and 808.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 16:19:49,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 860.43ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 89.7MB in the end (delta: -5.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 166.52ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 85.4MB in the end (delta: 4.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 52.55ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 80.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1357.68ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 80.6MB in the beginning and 114.7MB in the end (delta: -34.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 15753.54ms. Allocated memory was 165.7MB in the beginning and 1.1GB in the end (delta: 966.8MB). Free memory was 114.7MB in the beginning and 818.2MB in the end (delta: -703.5MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB.
* Witness Printer took 192.34ms. Allocated memory is still 1.1GB. Free memory was 818.2MB in the beginning and 808.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 961]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 953]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 968]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 945]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 945]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1008]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 975]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 949]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 949]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 953]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 983]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 753 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 493 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 70 mSDtfsCounter, 493 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1572occurred in iteration=4, InterpolantAutomatonStates: 27, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 3371 NumberOfCodeBlocks, 3371 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 3364 ConstructedInterpolants, 0 QuantifiedInterpolants, 4542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
11 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:19:49,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8009886-a4c9-4bc2-89b8-e72c69f8b167/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE